Nissan Pathfinder (2008 year). Manual - part 500

MWI

BCM (BODY CONTROL MODULE)

MWI-71

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ALMWA0091GB

MWI-72

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BCM (BODY CONTROL MODULE)

ALMIA0281GB

MWI

BCM (BODY CONTROL MODULE)

MWI-73

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DTC Inspection Priority Chart

INFOID:0000000001712778

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.

ALMIA0282GB

MWI-74

< ECU DIAGNOSIS >

BCM (BODY CONTROL MODULE)

DTC Index

INFOID:0000000001712779

NOTE:

Details of time display

• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning igni-

tion switch OFF 

→

 ON again.

• 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1

→

 2 

→

 3...38 

→

 39 after returning to the normal condition whenever ignition switch OFF 

→

 ON. The counter

remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch
OFF 

→

 ON after returning to the normal condition if the malfunction is detected again.

Priority

DTC

1

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

2

• B2190: NATS ANTENNA AMP
• B2191: DIFFERENCE OF KEY
• B2192: ID DISCORD BCM-ECM
• B2193: CHAIN OF BCM-ECM
• B2013: STRG COMM 1
• B2552: INTELLIGENT KEY
• B2590: NATS MALFUNCTION

3

• C1729: VHCL SPEED SIG ERR

4

• C1704: LOW PRESSURE FL
• C1705: LOW PRESSURE FR
• C1706: LOW PRESSURE RR
• C1707: LOW PRESSURE RL
• C1708: [NO DATA] FL
• C1709: [NO DATA] FR
• C1710: [NO DATA] RR
• C1711: [NO DATA] RL
• C1712: [CHECKSUM ERR] FL
• C1713: [CHECKSUM ERR] FR
• C1714: [CHECKSUM ERR] RR
• C1715: [CHECKSUM ERR] RL
• C1716: [PRESSDATA ERR] FL
• C1717: [PRESSDATA ERR] FR
• C1718: [PRESSDATA ERR] RR
• C1719: [PRESSDATA ERR] RL
• C1720: [CODE ERR] FL
• C1721: [CODE ERR] FR
• C1722: [CODE ERR] RR
• C1723: [CODE ERR] RL
• C1724: [BATT VOLT LOW] FL
• C1725: [BATT VOLT LOW] FR
• C1726: [BATT VOLT LOW] RR
• C1727: [BATT VOLT LOW] RL

CONSULT display

Fail-safe

Intelligent Key 

warning lamp ON

Tire pressure 

monitor warning 

lamp ON

Reference page

No DTC is detected.
further testing
may be required.

—

—

—

—

U1000: CAN COMM CIRCUIT

—

—

—

BCS-30

U1010: CONTROL UNIT (CAN)

—

—

—

BCS-31

B2013: STRG COMM 1

—

—

—

SEC-27

B2190: NATS ANTTENA AMP

—

—

—

SEC-30

 (with I-

Key), 

SEC-111

 

(without I-Key)

MWI

BCM (BODY CONTROL MODULE)

MWI-75

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B2191: DIFFERENCE OF KEY

—

—

—

SEC-33

 (with I-

Key), 

SEC-114

 

(without I-Key)

B2192: ID DISCORD BCM-ECM

—

—

—

SEC-34

 (with I-

Key), 

SEC-115

 

(without I-Key)

B2193: CHAIN OF BCM-ECM

—

—

—

SEC-36

 (with I-

Key), 

SEC-117

 

(without I-Key)

B2552: INTELLIGENT KEY

—

—

—

SEC-38

B2590: NATS MALFUNCTION

—

—

—

SEC-39

C1708: [NO DATA] FL

—

—

—

WT-13

C1709: [NO DATA] FR

—

—

—

WT-13

C1710: [NO DATA] RR

—

—

—

WT-13

C1711: [NO DATA] RL

—

—

—

WT-13

C1712: [CHECKSUM ERR] FL

—

—

—

WT-15

C1713: [CHECKSUM ERR] FR

—

—

—

WT-15

C1714: [CHECKSUM ERR] RR

—

—

—

WT-15

C1715: [CHECKSUM ERR] RL

—

—

—

WT-15

C1716: [PRESSDATA ERR] FL

—

—

—

WT-17

C1717: [PRESSDATA ERR] FR

—

—

—

WT-17

C1718: [PRESSDATA ERR] RR

—

—

—

WT-17

C1719: [PRESSDATA ERR] RL

—

—

—

WT-17

C1720: [CODE ERR] FL

—

—

—

WT-15

C1721: [CODE ERR] FR

—

—

—

WT-15

C1722: [CODE ERR] RR

—

—

—

WT-15

C1723: [CODE ERR] RL

—

—

—

WT-15

C1724: [BATT VOLT LOW] FL

—

—

—

WT-15

C1725: [BATT VOLT LOW] FR

—

—

—

WT-15

C1726: [BATT VOLT LOW] RR

—

—

—

WT-15

C1727: [BATT VOLT LOW] RL

—

—

—

WT-15

C1729: VHCL SPEED SIG ERR

—

—

—

WT-18

C1734: CONTROL UNIT

—

—

—

—

CONSULT display

Fail-safe

Intelligent Key 

warning lamp ON

Tire pressure 

monitor warning 

lamp ON

Reference page

MWI-76

< ECU DIAGNOSIS >

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE
ROOM)

Reference Value

INFOID:0000000001712780

VALUES ON THE DIAGNOSIS TOOL

Monitor Item

Condition

Value/Status

MOTOR FAN REQ

Engine idle speed

Changes depending on engine 
coolant temperature, air conditioner 
operation status, vehicle speed, 
etc.

0 - 100 %

A/C COMP REQ

A/C switch OFF

OFF

A/C switch ON

ON

TAIL&CLR REQ

Lighting switch OFF

OFF

Lighting switch 1ST, 2ND, HI or AUTO (Light is illuminated)

ON

HL LO REQ

Lighting switch OFF

OFF

Lighting switch 2ND HI or AUTO (Light is illuminated)

ON

HL HI REQ

Lighting switch OFF

OFF

Lighting switch HI

ON

FR FOG REQ

Lighting switch 2ND or AUTO (Light 
is illuminated)

Front fog lamp switch OFF

OFF

• Front fog lamp switch ON
• Daytime light activated (Canada 

only)

ON

H L WASHER REQ

NOTE:
This item is displayed, but cannot be monitored.

OFF

FR WIP REQ

Ignition switch ON

Front wiper switch OFF

STOP

Front wiper switch INT

1LOW

Front wiper switch LO

LOW

Front wiper switch HI

HI

WIP AUTO STOP

Ignition switch ON

Front wiper stop position

STOP P

Any position other than front wiper 
stop position

ACT P

WIP PROT

Ignition switch ON

Front wiper operates normally

OFF

Front wiper stops at fail-safe opera-
tion

BLOCK

ST RLY REQ

Ignition switch OFF or ACC

OFF

Ignition switch START

ON

IGN RLY

Ignition switch OFF or ACC

OFF

Ignition switch ON

ON

RR DEF REQ

Rear defogger switch OFF

OFF

Rear defogger switch ON

ON

OIL P SW

Ignition switch OFF, ACC or engine running

OPEN

Ignition switch ON

CLOSE

DTRL REQ

NOTE:
This item is displayed, but cannot be monitored.

OFF

HOOD SW

NOTE:
This item is displayed, but cannot be monitored.

OFF

MWI

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

MWI-77

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THFT HRN REQ

Not operated

OFF

• Panic alarm is activated
• Horn is activated with VEHICLE SECURITY (THEFT WARNING) SYS-

TEM

ON

HORN CHIRP

Not operated

OFF

Door locking with keyfob or Intelligent Key (if equipped) (horn chirp mode)

ON

Monitor Item

Condition

Value/Status

MWI-78

< ECU DIAGNOSIS >

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

Terminal Layout

INFOID:0000000001712781

TERMINAL LAYOUT

Physical Values

INFOID:0000000001712782

PHYSICAL VALUES

WKIA5852E