Nissan Altima L32. Manual - part 1241

SEC-114

< COMPONENT DIAGNOSIS >

[COUPE]

KEY SLOT ILLUMINATION

KEY SLOT ILLUMINATION

Description

INFOID:0000000004206133

Blinks when Intelligent Key insertion is required.

Component Function Check

INFOID:0000000004206134

1.

CHECK FUNCTION

 With CONSULT-III

Check key slot illumination (“KEY SLOT ILLUMI”) Active Test mode.

Is the inspection result normal?

YES

>> Key slot function is OK.

NO

>> Refer to 

SEC-114, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000004206135

1.

CHECK KEY SLOT ILLUMINATION OUTPUT SIGNAL 

Check voltage between key slot connector and ground.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> GO TO 2

2.

CHECK KEY SLOT POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect key slot connector.

3. Check voltage between slot connector and ground.

Is the inspection result normal?

YES

>> GO TO 3

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Terminals

Condition

Key slot

illumination

Voltage (V)         

 (Approx.)

(+)

(–)

Key slot 

connector

Terminal

M40

6

Ground

Intelligent Key inserted

OFF

Battery voltage

Intelligent Key removed

ON

0

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Key slot connector

Terminal

M40

1

Ground

Battery voltage

5

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KEY SLOT ILLUMINATION

SEC-115

< COMPONENT DIAGNOSIS >

[COUPE]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

NO

>> Repair or replace key slot power supply circuit.

3.

CHECK KEY SLOT GROUND CIRCUIT

Check continuity between key slot connector and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace key slot ground circuit.

4.

CHECK KEY SLOT CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM and key slot connector.

3. Check continuity between BCM connector and key slot connec-

tor.

4. Check continuity between BCM connector and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Repair or replace harness between BCM and key slot.

5.

CHECK KEY SLOT 

Refer to 

DLK-83, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> Replace key slot. Refer to 

SEC-207, "Removal and Installation"

.

6.

CHECK INTERMITTENT INCIDENT 

Refer to 

GI-42, "Intermittent Incident"

.

>> Inspection End.

Key slot connector

Terminal

Ground

Continuity

M40

7

Yes

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BCM connec-

tor

Terminal

Key slot 

connector

Terminal

Continuity

A: M19

80

B: M40

6

Yes

BCM connector

Terminal

Ground

Continuity 

A: M19

80

No

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SEC-116

< COMPONENT DIAGNOSIS >

[COUPE]

KEY CYLINDER SWITCH

KEY CYLINDER SWITCH

Description

INFOID:0000000004206136

For vehicles equipped with LH and RH anti-pinch system, the main power window and door lock/unlock switch

detects condition of the door key cylinder switch and transmits to BCM as the LOCK or UNLOCK signal. 

For vehicles equipped with LH anti-pinch system only, the door lock assembly LH (key cylinder switch) trans-

mits the LOCK or UNLOCK signal directly to the BCM. 

Component Function Check

INFOID:0000000004206137

1.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

Check KEY CYL UN-SW, KEY CYL UN-SW in “DATA MONITOR” mode for “POWER DOOR LOCK SYSTEM”

with CONSULT-III. Refer to 

DLK-276, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"

.

Is the inspection result normal?

YES

>> Key cylinder switch is OK.

NO

>> With LH and RH anti-pinch, refer to 

SEC-116, "Diagnosis Procedure (With LH and RH Anti-

Pinch)"

.

NO

>> With LH anti-pinch only, refer to 

SEC-117, "Diagnosis Procedure (With LH Anti-Pinch Only)"

.

Diagnosis Procedure (With LH and RH Anti-Pinch)

INFOID:0000000004206138

1.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

1. Turn ignition switch ON.

2. Check voltage between main power window and door lock/

unlock switch connector and ground.

Is the inspection result normal?

YES

>> Replace main power window and door lock/unlock switch. Refer to 

PWC-91, "Removal and Instal-

lation"

.

NO

>> GO TO 2

2.

CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect main power window and door lock/unlock switch connector and door lock assembly LH (key

cylinder switch) connector.

Monitor item

Condition

KEY CYL LK-SW

Lock

: ON

Neutral / Unlock

: OFF

KEY CYL UN-SW

Unlock

: ON

Neutral / Lock

: OFF

Terminals

Key position

Voltage (V)

(Approx.)

(+)

(–)

Main power window 

and door lock/unlock 

switch connector

Terminal 

D7

4

Ground

Lock

0

Neutral / Unlock

Battery voltage

6

Unlock

0

Neutral / Lock

Battery voltage

LIIA0566E

KEY CYLINDER SWITCH

SEC-117

< COMPONENT DIAGNOSIS >

[COUPE]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

3. Check continuity between main power window and door lock/

unlock switch connector and door lock assembly LH (key cylin-

der switch) connector.

4. Check continuity between main power window and door lock/

unlock switch connector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT

Check continuity between door lock assembly LH connector and

ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

CHECK DOOR KEY CYLINDER SWITCH

Check door key cylinder switch. 

Refer to 

SEC-118, "Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-42, "Intermittent Incident"

.

NO

>> Replace door lock assembly LH (key cylinder switch). Refer to 

DLK-222, "FRONT DOOR LOCK :

Removal and Installation"

.

Diagnosis Procedure (With LH Anti-Pinch Only)

INFOID:0000000004206139

1.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

1. Turn ignition switch ON.

2. Check voltage between BCM connector and ground.

Main power window 

and door lock/unlock 

switch connector

Terminal

Door lock assembly 

LH (key cylinder 

switch) connector

Terminal

Continuity

A: D7

4

B: D10

6

Yes

6

5

Power window main 

switch connector

Terminal

Ground

Continuity 

A: D7

4

No

6

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Door lock assembly LH connector

Terminal

Ground

Continuity 

D10

4

Yes

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Terminals

Key position

Voltage (V)

(Approx.)

(+)

(–)

BCM connector

Terminal 

M18

56

Ground

Lock

0

Neutral / Unlock

Battery voltage

34

Unlock

0

Neutral / Lock

Battery voltage

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