Juke F15 (2012 year). Service Repair Manual - part 29

 

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Juke F15 (2012 year). Service Repair Manual - part 29

 

 

SYSTEM

BRC-21

< SYSTEM DESCRIPTION >

[WITHOUT ESP]

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ABS FUNCTION

ABS FUNCTION : System Description

INFOID:0000000006383053

• By preventing wheel lock through brake force (brake fluid pressure) control that is electronically controlled by

detecting wheel speed during braking, stability during emergency braking is improved so that obstacles can
be easily bypassed by steering operation.

• During braking, control units calculates wheel speed and pseudo-vehicle speed, and transmits pressure

increase, hold or decrease signals to actuator portion according to wheel slip status.

• The following effects are obtained by preventing wheel lock during

braking.

- Vehicle tail slip is prevented during braking when driving straight.
- Understeer and oversteer tendencies are moderated during brak-

ing driving on a corner.

- Obstacles may be easily bypassed by steering operation during

braking.

• CONSULT-III can be used to diagnose the system diagnosis.
• Fail-safe function is adopted. When a malfunction occurs in ABS

function, the control is suspended for ABS function. The vehicle
status becomes the same as models without ABS function. How-
ever, EBD function is operated normally. Refer to 

BRC-19, "Fail-

safe"

.

NOTE:
• ABS has the characteristic as described here, but it is not the

device that helps reckless driving.

• To stop vehicle efficiently, ABS does not operate and ordinary

brake operates at low speed [approx. 5 to 10 km/h (3.1 to 6.2
MPH) or less, but differs subject to road conditions).

• Self-diagnosis is performed immediately after when engine starts

and when vehicle initially is driven [by vehicle speed approx. 15
km/h (9.3 MPH)]. Motor sounds are generated during self-diagno-
sis. In addition, brake pedal may be felt heavy when depressing
brake pedal lightly. These symptoms are not malfunctions.

C1109

When ignition power supply voltage is in following state.
• Ignition power supply voltage: 10 V 

 Ignition power supply voltage.

• Ignition power supply voltage: 16 V 

 Ignition power supply voltage.

The following functions are sus-
pended.
• ABS function
• EBD function

C1110

When there is an internal malfunction in the ABS actuator and electric unit (control 
unit).

C1111

When a malfunction is detected in motor or motor relay.

C1115

When difference in wheel speed between any wheel and others is detected the ve-
hicle is driven, because of installation of other tires than specified.

C1120

When a malfunction is detected in front LH ABS IN valve.

C1121

When a malfunction is detected in front LH ABS OUT valve.

C1122

When a malfunction is detected in front RH ABS IN valve.

C1123

When a malfunction is detected in front RH ABS OUT valve.

C1124

When a malfunction is detected in rear LH ABS IN valve.

C1125

When a malfunction is detected in rear LH ABS OUT valve.

C1126

When a malfunction is detected in rear RH ABS IN valve.

C1127

When a malfunction is detected in rear RH ABS OUT valve.

C1140

When a malfunction is detected in actuator relay.

U1000

When CAN communication signal is not continuously transmitted or received for 2 
seconds or more.

U1010

When detecting error during the initial diagnosis of CAN controller of ABS actuator 
and electric unit (control unit).

DTC

Malfunction detected condition

Fail-safe condition

JPFIC0140GB

BRC-22

< SYSTEM DESCRIPTION >

[WITHOUT ESP]

SYSTEM

SYSTEM DIAGRAM

INPUT SIGNAL AND OUTPUT SIGNAL

Major signal transmission between each unit via communication lines is shown in the following table.

EBD FUNCTION

EBD FUNCTION : System Description

INFOID:0000000006383054

• By preventing rear wheel slip increase through rear wheel brake force (brake fluid pressure) control that is

electronically controlled when slight skip on front and rear wheels are detected during braking, stability dur-
ing braking is improved.

• EBD function is expanded and developed from conventional ABS function and corrects rear wheel brake

force to appropriate level by electronic control according to load weight (number of passengers).

JPFIC0144GB

Component

Signal description

Combination meter

Mainly receives the following signals from ABS actuator and electric unit (control unit) via CAN 
communication.
• ABS warning lamp signal

JPFIC0142GB

SYSTEM

BRC-23

< SYSTEM DESCRIPTION >

[WITHOUT ESP]

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• During braking, control unit portion compares slight slip on front

and rear wheels by wheel speed sensor signal, transmits drive sig-
nal to actuator portion when rear wheel slip exceeds front wheel
slip for the specified value or more, and controls rear wheel brake
force (brake fluid pressure) so that increase of rear wheel slip is
prevented and slips on front wheel and rear wheel are nearly
equalized. ABS control is applied when slip on each wheel
increases and wheel speed is the threshold value of ABS control or
less.

• CONSULT-III can be used to diagnose the system diagnosis.
• Fail-safe function is adopted. When a malfunction occurs in EBD

function, the control is suspended for ABS function and EBD func-
tion. The vehicle status becomes the same as models without ABS
function and EBD function. Refer to 

BRC-19, "Fail-safe"

.

SYSTEM DIAGRAM

INPUT SIGNAL AND OUTPUT SIGNAL

Major signal transmission between each unit via communication lines is shown in the following table.

JPFIC0143GB

JPFIC0144GB

Component

Signal description

Combination meter

Mainly receives the following signals from ABS actuator and electric unit (control unit) via CAN 
communication.
• Brake warning lamp signal

BRC-24

< SYSTEM DESCRIPTION >

[WITHOUT ESP]

DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL 

UNIT)]

DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]

CONSULT-III Function

INFOID:0000000006383055

APPLICATION ITEMS

CONSULT-III can display each diagnostic item using the diagnostic test modes as follows.

*

: The following diagnosis information is erased by erasing.

• DTC

• Freeze frame data (FFD)

ECU IDENTIFICATION

ABS actuator and electric unit (control unit) part number can be read.

SELF DIAGNOSTIC RESULT

Refer to 

BRC-31, "DTC Index"

.

When “CRNT” is displayed on self-diagnosis result

• The system is presently malfunctioning.

When “PAST” is displayed on self-diagnosis result

• System malfunction in the past is detected, but the system is presently normal.

Freeze frame data (FFD)

When DTC is detected, a vehicle state shown below is recorded and displayed on CONSULT-III.

DATA MONITOR

×

: Applicable

Mode

Function description

ECU identification

Parts number of ABS actuator and electric unit (control unit) can be read.

Self Diagnostic Result

Self-diagnostic results and freeze frame data can be read and erased quickly.

*

DATA MONITOR

Input/Output data in the ABS actuator and electric unit (control unit) can be read.

ACTIVE TEST

Diagnostic Test Mode in which CONSULT-III drives some actuators apart from the ABS actuator and 
electric unit (control unit) and also shifts some parameters in a specified range.

Item name

Display item

IGN counter
(0 

 39)

The number of times that ignition switch is turned ON after the DTC is detected is displayed.
• When “0” is displayed: It indicates that the system is presently malfunctioning.
• When except “0” is displayed: It indicates that system malfunction in the past is detected, but the system is pres-

ently normal.
NOTE:
Each time when ignition switch is turned OFF to ON, numerical number increases in 1 

 2 

 3...38 

 39. When 

the operation number of times exceeds 39, the number do not increase and “39” is displayed until self-diagnosis 
is erased.

Item (Unit)

Monitor item selection

Note

ECU INPUT SIGNALS

MAIN SIGNALS

FR LH SENSOR
[km/h (MPH)]

×

×

Wheel speed calculated by front LH wheel sensor is dis-
played.

FR RH SENSOR
[km/h (MPH)]

×

×

Wheel speed calculated by front RH wheel sensor is dis-
played.

RR LH SENSOR
[km/h (MPH)]

×

×

Wheel speed calculated by rear LH wheel sensor is dis-
played.

RR RH SENSOR
[km/h (MPH)]

×

×

Wheel speed calculated by rear RH wheel sensor is dis-
played.

FR RH IN SOL
(On/Off)

×

Operation status of front RH wheel ABS IN valve is dis-
played.

DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL 

UNIT)]

BRC-25

< SYSTEM DESCRIPTION >

[WITHOUT ESP]

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*: Refer to 

BRC-13, "System Description"

 for ON/OFF conditions of each warning lamp.

ACTIVE TEST

The active test is used to determine and identify details of a malfunction, based on self-diagnosis test result
sand data obtained in the DATA MONITOR. In response to instructions from CONSULT-III, instead of those
from ABS actuator and electric unit (control unit) on the vehicle, a drive signal is sent to the actuator to check
its operation.

CAUTION:

• Never perform ACTIVE TEST while driving the vehicle.
• Always bleed air from brake system before ACTIVE TEST.
• Never perform ACTIVE TEST when system is malfunctioning.
NOTE:
• When active test is performed while depressing the pedal, the pedal depressing stroke may change. This is

not a malfunction.

• “TEST IS STOPPED” is displayed approx. 10 seconds after operation start.
• When performing active test again after “TEST IS STOPPED” is displayed, select “BACK”.
• ABS warning lamp and brake warning lamp may turn ON during active test. This is not a malfunction.

FR RH OUT SOL
(On/Off)

×

Operation status of front RH wheel ABS OUT valve is dis-
played.

FR LH IN SOL
(On/Off)

×

Operation status of front LH wheel ABS IN valve is dis-
played.

FR LH OUT SOL
(On/Off)

×

Operation status of front LH wheel ABS OUT valve is dis-
played.

RR RH IN SOL
(On/Off)

×

Operation status of rear RH wheel ABS IN valve is dis-
played

RR RH OUT SOL
(On/Off)

×

Operation status of rear RH wheel ABS OUT valve is dis-
played.

RR LH IN SOL
(On/Off)

×

Operation status of rear LH wheel ABS IN valve is dis-
played.

RR LH OUT SOL
(On/Off)

×

Operation status of rear LH wheel ABS OUT valve is dis-
played.

EBD WARN LAMP
(On/Off)

Brake warning lamp ON/OFF status is displayed. 

*

STOP LAMP SW
(On/Off)

×

×

Stop lamp switch signal input status is displayed.

MOTOR RELAY
(On/Off)

×

ABS motor and motor relay status is displayed.

ACTUATOR RLY
(On/Off)

×

ABS actuator relay status is displayed.

ABS WARN LAMP
(On/Off)

×

ABS warning lamp ON/OFF status is displayed. 

*

BATTERY VOLT
(V)

×

×

Voltage supplied to ABS actuator and electric unit (control 
unit) is displayed.

EBD SIGNAL
(On/Off)

EBD operation status is displayed.

ABS SIGNAL
(On/Off)

ABS operation status is displayed.

EBD FAIL SIG
(On/Off)

EBD fail-safe signal status is displayed.

ABS FAIL SIG
(On/Off)

EBD fail-safe signal status is displayed.

CRANKING SIG
(On/Off)

Cranking status is displayed.

Item (Unit)

Monitor item selection

Note

ECU INPUT SIGNALS

MAIN SIGNALS

BRC-26

< SYSTEM DESCRIPTION >

[WITHOUT ESP]

DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL 

UNIT)]

ABS IN Valve and ABS OUT Valve

When “Up”, “Keep” or “Down” is selected on display screen, the following items are displayed when system is
normal.

*: Immediately after being selected, status is “On”. Status changes to “Off” after approx. 2 seconds.

ABS Motor

When “On” or “Off” is selected on display screen, the following items are displayed when system is normal.

Test item

Display item

Display

Up

Keep

Down

FR RH SOL

FR RH IN SOL

Off

On

On

FR RH OUT SOL

Off

Off

On*

FR LH SOL

FRLH IN SOL

Off

On

On

FR LH OUT SOL

Off

Off

On*

RR RH SOL

RR RH IN SOL

Off

On

On

RR RH OUT SOL

Off

Off

On*

RR LH SOL

RR LH IN SOL

Off

On

On

RR LH OUT SOL

Off

Off

On*

Test item

Display item

Display

On

Off

ABS MOTOR

MOTOR RELAY

On

Off

ACTUATOR RLY

On

On

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

BRC-27

< ECU DIAGNOSIS INFORMATION >

[WITHOUT ESP]

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ECU DIAGNOSIS INFORMATION

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Reference Value

INFOID:0000000006548681

CONSULT-III DATA MONITOR STANDARD VALUE

Monitor item

Condition

Reference values in normal operation

FR LH SENSOR

Vehicle stopped

0.00 km/h (MPH)

When driving straight ahead

*1

Nearly matches the speedometer dis-
play (within 

±

10%)

FR RH SENSOR

Vehicle stopped

0.00 km/h (MPH)

When driving straight ahead

*1

Nearly matches the speedometer dis-
play (within 

±

10%)

RR LH SENSOR

Vehicle stopped

0.00 km/h (MPH)

When driving straight ahead

*1

Nearly matches the speedometer dis-
play (within 

±

10%)

RR RH SENSOR

Vehicle stopped

0.00 km/h (MPH)

When driving straight ahead

*1

Nearly matches the speedometer dis-
play (within 

±

10%)

FR RH IN SOL

*2

Active

On

Not activated

Off

FR RH OUT SOL

*2

Active

On

Not activated

Off

FR LH IN SOL

*2

Active

On

Not activated

Off

FR LH OUT SOL

*2

Active

On

Not activated

Off

RR RH IN SOL

*2

Active

On

Not activated

Off

RR RH OUT SOL

*2

Active

On

Not activated

Off

RR LH IN SOL

*2

Active

On

Not activated

Off

RR LH OUT SOL

*2

Active

On

Not activated

Off

EBD WARN LAMP

When brake warning lamp is ON

*3

On

When brake warning lamp is OFF

*3

Off

STOP LAMP SW

Brake pedal depressed

On

Brake pedal not depressed

Off

MOTOR RELAY

Active

On

Not activated

Off

ACTUATOR RLY

Active

On

Not activated (in fail-safe mode)

Off

ABS WARN LAMP

When ABS warning lamp is ON

*3

On

When brake warning lamp is OFF

*3

Off

BATTERY VOLT

Ignition switch ON

10 – 16 V

BRC-28

< ECU DIAGNOSIS INFORMATION >

[WITHOUT ESP]

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

*1: Confirm tire pressure is standard value.
*2: Refer to “valve operation” in 

BRC-13, "System Description"

 for valve operation of each valve.

*3: Refer to 

BRC-13, "System Description"

 for ON/OFF conditions of each warning lamp and indicator lamp.

Fail-safe

INFOID:0000000006548682

ABS FUNCTION

ABS warning lamp in combination meter turn ON when a malfunction occurs in system [ABS actuator and
electric unit (control unit)]. The control is suspended for ABS function. The vehicle status becomes the same
as models without ABS function. However, EBD function is operated normally.
NOTE:
ABS self-diagnosis sound may be heard the same as in the normal condition, because self-diagnosis is per-
formed when ignition switch turns ON and when vehicle initially starts.

EBD FUNCTION

ABS warning lamp and brake warning lamp in combination meter turn ON when a malfunction occurs in sys-
tem [ABS actuator and electric unit (control unit)]. The control is suspended for ABS function and EBD func-
tion. The vehicle status becomes the same as models without ABS function and EBD function.

EBD SIGNAL

EBD is activated

On

EBD is not activated

Off

ABS SIGNAL

ABS is activated

On

ABS is not activated

Off

EBD FAIL SIG

In EBD fail-safe

On

EBD is normal

Off

ABS FAIL SIG

In ABS fail-safe

On

ABS is normal

Off

CRANKING SIG

At cranking

On

Other than at cranking

Off

Monitor item

Condition

Reference values in normal operation

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

BRC-29

< ECU DIAGNOSIS INFORMATION >

[WITHOUT ESP]

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DTC

Malfunction detected condition

Fail-safe condition

C1101

When an open circuit is detected in rear RH wheel sensor circuit.

The following functions are sus-
pended.
• ABS function
• EBD function (only when both 2 

rear wheels are malfunctioning)

C1102

When an open circuit is detected in rear LH wheel sensor circuit.

C1103

When an open circuit is detected in front RH wheel sensor circuit.

C1104

When an open circuit is detected in front LH wheel sensor circuit.

C1105

• When a short circuit is detected in rear RH wheel sensor circuit.
• When power supply voltage of rear RH wheel sensor is in following state.
- Rear RH wheel sensor power supply voltage: 7.5 V 

 Rear RH wheel sensor pow-

er supply voltage

- Rear RH wheel sensor power supply voltage: 16 V 

 Rear RH wheel sensor power 

supply voltage

• When distance between rear RH wheel sensor and rear RH wheel sensor rotor is 

large.

• When installation of rear RH wheel sensor or rear RH wheel sensor rotor is not 

normal.

C1106

• When a short circuit is detected in rear LH wheel sensor circuit.
• When power supply voltage of rear LH wheel sensor is in following state.
- Rear LH wheel sensor power supply voltage: 7.5 V 

 Rear LH wheel sensor power 

supply voltage

- Rear LH wheel sensor power supply voltage: 16 V 

 Rear LH wheel sensor power 

supply voltage

• When distance between rear LH wheel sensor and rear LH wheel sensor rotor is 

large.

• When installation of rear LH wheel sensor or rear LH wheel sensor rotor is not nor-

mal.

C1107

• When a short circuit is detected in front RH wheel sensor circuit.
• When power supply voltage of front RH wheel sensor is in following state.
- Front RH wheel sensor power supply voltage: 7.5 V 

 Front RH wheel sensor 

power supply voltage

- Front RH wheel sensor power supply voltage: 16 V 

 Front RH wheel sensor pow-

er supply voltage

• When distance between front RH wheel sensor and front RH wheel sensor rotor 

is large.

• When installation of front RH wheel sensor or front RH wheel sensor rotor is not 

normal.

C1108

• When a short circuit is detected in front LH wheel sensor circuit.
• When power supply voltage of front LH wheel sensor is in following state.
- Front LH wheel sensor power supply voltage: 7.5 V 

 Front LH wheel sensor pow-

er supply voltage

- Front LH wheel sensor power supply voltage: 16 V 

 Front LH wheel sensor power 

supply voltage

• When distance between front LH wheel sensor and front LH wheel sensor rotor is 

large.

• When installation of front LH wheel sensor or front LH wheel sensor rotor is not 

normal.

BRC-30

< ECU DIAGNOSIS INFORMATION >

[WITHOUT ESP]

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

DTC Inspection Priority Chart

INFOID:0000000006548683

When multiple DTCs are displayed simultaneously, check one by one depending on the following priority list.

C1109

When ignition power supply voltage is in following state.
• Ignition power supply voltage: 10 V 

 Ignition power supply voltage.

• Ignition power supply voltage: 16 V 

 Ignition power supply voltage.

The following functions are sus-
pended.
• ABS function
• EBD function

C1110

When there is an internal malfunction in the ABS actuator and electric unit (control 
unit).

C1111

When a malfunction is detected in motor or motor relay.

C1115

When difference in wheel speed between any wheel and others is detected the ve-
hicle is driven, because of installation of other tires than specified.

C1120

When a malfunction is detected in front LH ABS IN valve.

C1121

When a malfunction is detected in front LH ABS OUT valve.

C1122

When a malfunction is detected in front RH ABS IN valve.

C1123

When a malfunction is detected in front RH ABS OUT valve.

C1124

When a malfunction is detected in rear LH ABS IN valve.

C1125

When a malfunction is detected in rear LH ABS OUT valve.

C1126

When a malfunction is detected in rear RH ABS IN valve.

C1127

When a malfunction is detected in rear RH ABS OUT valve.

C1140

When a malfunction is detected in actuator relay.

U1000

When CAN communication signal is not continuously transmitted or received for 2 
seconds or more.

U1010

When detecting error during the initial diagnosis of CAN controller of ABS actuator 
and electric unit (control unit).

DTC

Malfunction detected condition

Fail-safe condition

Priority

Detected item (DTC)

1

• U1000 CAN COMM CIRCUIT
• U1010 CONTROL UNIT (CAN)

2

• C1110 CONTROLLER FAILURE

3

• C1109 BATTERY VOLTAGE [ABNORMAL]
• C1111 PUMP MOTOR
• C1140  ACTUATOR  RLY

4

• C1101 RR RH SENSOR-1
• C1102 RR LH SENSOR-1
• C1103 FR RH SENSOR-1
• C1104 FR LH SENSOR-1
• C1105 RR RH SENSOR-2
• C1106 RR LH SENSOR-2
• C1107 FR RH SENSOR-2
• C1108 FR LH SENSOR-2
• C1115 ABS SENSOR [ABNORMAL SIGNAL]
• C1120 FR LH IN ABS SOL
• C1121 FR LH OUT ABS SOL
• C1122 FR RH IN ABS SOL
• C1123 FR RH OUT ABS SOL
• C1124 RR LH IN ABS SOL
• C1125 RR LH OUT ABS SOL
• C1126 RR RH IN ABS SOL
• C1127 RR RH OUT ABS SOL

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

BRC-31

< ECU DIAGNOSIS INFORMATION >

[WITHOUT ESP]

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DTC Index

INFOID:0000000006548684

DTC

Display Item

Refer to

C1101

RR RH SENSOR-1

BRC-36, "DTC Logic"

C1102

RR LH SENSOR-1

C1103

FR RH SENSOR-1

C1104

FR LH SENSOR-1

C1105

RR RH SENSOR-2

BRC-39, "DTC Logic"

C1106

RR LH SENSOR-2

C1107

FR RH SENSOR-2

C1108

FR LH SENSOR-2

C1109

BATTERY VOLTAGE [ABNORMAL]

BRC-45, "DTC Logic"

C1110

CONTROLLER FAILURE

BRC-47, "DTC Logic"

C1111

PUMP MOTOR

BRC-48, "DTC Logic"

C1115

ABS SENSOR [ABNORMAL SIGNAL]

BRC-50, "DTC Logic"

C1120

FR LH IN ABS SOL

BRC-56, "DTC Logic"

C1121

FR LH OUT ABS SOL

BRC-58, "DTC Logic"

C1122

FR RH IN ABS SOL

BRC-56, "DTC Logic"

C1123

FR RH OUT ABS SOL

BRC-58, "DTC Logic"

C1124

RR LH IN ABS SOL

BRC-56, "DTC Logic"

C1125

RR LH OUT ABS SOL

BRC-58, "DTC Logic"

C1126

RR RH IN ABS SOL

BRC-56, "DTC Logic"

C1127

RR RH OUT ABS SOL

BRC-58, "DTC Logic"

C1140

ACTUATOR RLY

BRC-60, "DTC Logic"

U1000

CAN COMM CIRCUIT

BRC-62, "DTC Logic"

U1010

CONTROL UNIT (CAN)

BRC-63, "DTC Logic"

BRC-32

< WIRING DIAGRAM >

[WITHOUT ESP]

BRAKE CONTROL SYSTEM

WIRING DIAGRAM

BRAKE CONTROL SYSTEM

Wiring Diagram

INFOID:0000000006383060

For connector terminal arrangements, harness layout, and alphabets in a 

 (option abbreviation; if not

described in wiring diagram), refer to 

GI-12, "Connector Information/Explanation of Option Abbreviation"

.

JCFWA0330GB

DIAGNOSIS AND REPAIR WORK FLOW

BRC-33

< BASIC INSPECTION >

[WITHOUT ESP]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow

INFOID:0000000006600948

DETAILED FLOW

1.

INTERVIEW FROM THE CUSTOMER

Clarify customer complaints before inspection. First of all, perform an interview utilizing 

BRC-34, "Diagnostic

Work Sheet"

 and reproduce the symptom as well as fully understand it. Ask customer about his/her complaints

carefully.Check symptoms by driving vehicle with customer, if necessary.

CAUTION:

Customers are not professional. Never guess easily like “maybe the customer means that...,” or “
maybe the customer mentions this symptom”.

>> GO TO 2.

2.

CHECK SYMPTOM

Reproduce the symptom that is indicated by the customer, based on the information from the customer
obtained by interview. Also check that the symptom is not caused by fail-safe mode. Refer to 

BRC-19, "Fail-

safe"

.

CAUTION:

When the symptom is caused by normal operation, fully inspect each portion and obtain the under-
standing of customer that the symptom is not caused by a malfunction.

>> GO TO 3.

3.

PERFORM THE SELF-DIAGNOSIS

With CONSULT-III.

Perform self-diagnosis for “ABS”.
Is DTC detected?

YES

>> Record or print self-diagnosis results and GO TO 4.

NO

>> GO TO 6.

4.

RECHECK THE SYMPTOM

With CONSULT-III.

1.

Erase self-diagnostic results for “ABS”.

2.

Perform DTC confirmation procedures for the error-detected system.
NOTE:
If some DTCs are detected at the some time, determine the order for performing the diagnosis based on

BRC-30, "DTC Inspection Priority Chart"

 [ABS actuator and electric unit (control unit)].

Is any DTC detected?

YES

>> GO TO 5.

NO

>> Check harness and connectors based on the information obtained by interview. Refer to 

GI-42,

"Intermittent Incident"

.

5.

REPAIR OR REPLACE ERROR-DETECTED PART

• Repair or replace error-detected parts.
• Reconnect part or connector after repairing or replacing.
• When DTC is detected, erase self-diagnostic result for “ABS”.

>> GO TO 7.

6.

IDENTIFY ERROR-DETECTED SYSTEM BY SYMPTOM DIAGNOSIS

Estimate error-detected system based on symptom diagnosis and perform inspection.
Can the error-detected system be identified?

BRC-34

< BASIC INSPECTION >

[WITHOUT ESP]

DIAGNOSIS AND REPAIR WORK FLOW

YES

>> GO TO 7.

NO

>> Check harness and connectors based on the information obtained by interview. Refer to 

GI-42,

"Intermittent Incident"

.

7.

FINAL CHECK

With CONSULT-III.

1.

Check the reference value for “ABS”.

2.

Recheck the symptom and check that the symptom is not reproduced on the same conditions.

Is the symptom reproduced? 

YES

>> GO TO 3.

NO

>> INSPECTION END

Diagnostic Work Sheet

INFOID:0000000006600949

Description

• In general, customers have their own criteria for a problem. Therefore, it is important to understand the

symptom and status well enough by asking the customer about his/her concerns carefully. To systemize all
the information for the diagnosis, prepare the interview sheet referring to the interview points.

• In some cases, multiple conditions that appear simultaneously may cause a DTC to be detected.

INTERVIEW SHEET SAMPLE

Interview sheet

Customer 
name

MR/MS

Registration 
number

Initial year 
registration

Vehicle type

VIN

Storage date

Engine

Mileage

                 km (              Mile)

Symptom

†

 Does not operate (                                                                                                  ) function

†

 Warning lamp for (                                                                                                 ) turns ON.

†

 Noise

†

 Vibration

†

 Other

(                                                                                                                                                 )

First occurrence

†

 Recently        

†

 Other (                                                                                                       )

Frequency of occurrence

†

 Always          

†

  Under a certain conditions of           

†

 Sometimes (              time(s)/day)

Climate con-
ditions

†

 Irrelevant

Weather

†

 Fine         

†

 Cloud           

†

 Rain           

†

Snow        

†

 Others (                                       )

Temperature

†

 Hot        

†

Warm         

†

 Cool         

†

 Cold          

†

 Temperature [Approx.      

°

C (        

°

F)]

Relative humidity

†

 High                  

†

 Moderate                    

†

 Low

Road conditions

†

 Urban area             

†

 Suburb area                    

†

 Highway              

†

 Mountainous road (uphill or downhill)                

†

Rough road

Operating condition, etc.

†

Irrelevant

†

When engine starts          

†

 During idling

†

 During driving            

†

 During acceleration             

†

 At constant speed driving              

†

 During deceleration

†

 During cornering (right curve or left curve)

†

 When steering wheel is steered (to right or to left)

DIAGNOSIS AND REPAIR WORK FLOW

BRC-35

< BASIC INSPECTION >

[WITHOUT ESP]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

Other conditions

Memo

Interview sheet

Customer 
name

MR/MS

Registration 
number

Initial year 
registration

Vehicle type

VIN

Storage date

Engine

Mileage

                 km (              Mile)

BRC-36

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT ESP]

C1101, C1102, C1103, C1104 WHEEL SENSOR

DTC/CIRCUIT DIAGNOSIS

C1101, C1102, C1103, C1104 WHEEL SENSOR

DTC Logic

INFOID:0000000006600950

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT-III.

1.

Stat the engine.

2.

Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.

3.

Stop the vehicle.

4.

Perform self-diagnosis for “ABS”.

Is DTC “C1101”, “C1102”, “C1103” or “C1104” detected?

YES

>> Proceed to 

BRC-36, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006600951

CAUTION:

Never check between wheel sensor harness connector terminals.

1.

CHECK WHEEL SENSOR

1.

Turn the ignition switch OFF.

2.

Check wheel sensor for damage.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

REPLACE WHEEL SENSOR (1)

With CONSULT-III.

1.

Replace wheel sensor.

-

Front: Refer to 

BRC-84, "FRONT WHEEL SENSOR : Removal and Installation"

.

-

Rear: Refer to 

BRC-86, "REAR WHEEL SENSOR : Removal and Installation"

.

2.

Erase Self-diagnosis result for “ABS”.

3.

Turn the ignition switch OFF, and wait 10 seconds or more.

4.

Stat the engine.

5.

Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.

6.

Stop the vehicle.

DTC

Display Item

Malfunction detected condition

Possible causes

C1101

RR RH SENSOR-1

When an open circuit is detected in rear RH wheel 
sensor circuit.

• Harness or connector
• Wheel sensor
• ABS actuator and electric unit 

(control unit)

C1102

RR LH SENSOR-1

When an open circuit is detected in rear LH wheel 
sensor circuit.

C1103

FR RH SENSOR-1

When an open circuit is detected in front RH wheel 
sensor circuit.

C1104

FR LH SENSOR-1

When an open circuit is detected in front LH wheel 
sensor circuit.

 

 

 

 

 

 

 

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