Nissan Pathfinder (2008 year). Manual - part 164

POWER SUPPLY AND GROUND CIRCUIT

DLK-213

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

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DLK

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POWER SUPPLY AND GROUND CIRCUIT

BCM (BODY CONTROL MODULE)

BCM (BODY CONTROL MODULE) : Diagnosis Procedure

INFOID:0000000001728461

Refer to 

BCS-32, "Diagnosis Procedure"

.

BACK DOOR ASSEMBLY

BACK DOOR ASSEMBLY : Diagnosis Procedure

INFOID:0000000001728462

1.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect back door control unit connector.

3.

Check voltage between back door control unit harness connec-
tor D509 terminal 1 and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace back door control unit power supply

circuit.

2.

CHECK GROUND CIRCUIT

Check continuity between back door control unit harness connector
D509 terminals 4, 5 and ground.

Is the inspection result normal?

YES

>> Power supply and ground circuits are OK.

NO

>> Repair or replace the back door control unit ground cir-

cuit.

Connector

Terminals

Voltage (V)

(Approx.)

D509

(+)

(–)

Battery voltage

1

Ground

ALKIA1238ZZ

Connector

Terminals

Continuity

D509

4

Ground

Yes

5

ALKIA1239ZZ

DLK-214

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

DOOR SWITCH

DOOR SWITCH

Description

INFOID:0000000001728463

Detects door open/close condition.

Component Function Check

INFOID:0000000001728464

1.

CHECK FUNCTION

With CONSULT-III

Check door switches in data monitor mode with CONSULT-III.

Is the inspection result normal?

YES

>> Door switch is OK.

NO

>> Refer to 

DLK-214, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001728465

1.

CHECK DOOR SWITCHES INPUT SIGNAL

With CONSULT-III

Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR", "BACK DOOR
SW") in DATA MONITOR mode with CONSULT–III.
• When doors are open:

• When doors are closed:

Without CONSULT-III

Check voltage between BCM connector M18 or M19 terminals 12, 13, 43, 47, 48 and ground.

Monitor item

Condition

DOOR SW-DR

CLOSE 

→

 OPEN: OFF 

→

 ON

DOOR SW-AS

DOOR SW-RL

DOOR SW-RR

BACK DOOR SW

DOOR SW-DR

:ON

DOOR SW-AS

:ON

DOOR SW-RL

:ON

DOOR SW-RR

:ON

BACK DOOR SW

:ON

DOOR SW-DR

:OFF

DOOR SW-AS

:OFF

DOOR SW-RL

:OFF

DOOR SW-RR

:OFF

BACK DOOR SW

:OFF

DOOR SWITCH

DLK-215

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

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DLK

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Is the inspection result normal?

YES

>> Door switch circuit is OK.

NO

>> GO TO 2.

2.

CHECK DOOR SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect door switch and BCM.

3.

Check continuity between BCM connector (A) M18, M19 terminals 12, 13, 43, 47, 48 and door switch con-
nector (B) B8 (Front LH), B108 (Front RH), B18 (Rear LH), B116 (Rear RH) terminal 2 or back door latch
connector (C) D502 terminal 7.

4.

Check continuity between door switch connector (B) B8 (Front
LH),   B108 (Front RH), B18 (Rear LH), B116 (Rear RH) terminal
2 or back door latch connector (C) D502 terminal 7 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK DOOR SWITCHES

• Disconnect door switch harness.
• Check continuity between door switch connector terminals.

Connec-

tor

Item

Terminals

Condition

Voltage (V)

(Approx.)

( + )

( – )

M19

Back door 

switch/latch

43

Ground

Open

↓

Closed

0

↓

Battery voltage

Front door 

switch LH

47

Rear door 

switch LH

48

M18

Front door 

switch RH

12

Rear door 
switch RH

13

LIIA1041E

2 - 47

:Continuity should exist

2 - 12

:Continuity should exist

2 - 48

:Continuity should exist

2 - 13

:Continuity should exist

7 - 43

:Continuity should exist

2 - Ground

:Continuity should not exist

7 - Ground

:Continuity should not exist

ALKIA0689ZZ

DLK-216

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

DOOR SWITCH

Is the inspection result normal?

YES

>> Door switch circuit is OK.

NO

>> (Front and rear doors) Replace door switch.

NO

>> (Back door) GO TO 4.

4.

CHECK BACK DOOR SWITCH CIRCUIT

• Check continuity between door switch connector terminal and ground.

Is the inspection result normal?

YES

>> Replace back door switch.

NO

>> Repair or replace harness.

Switch

Terminals

Condition

Continuity

A: Door switch

(front and rear) 

2 – Ground

Open

Yes

Closed

No

B: Back door switch

7 – Ground

Open

Yes

Closed

No

ALKIA0690ZZ

Connector

Terminals

Continuity

Back door switch

8 – Ground

Yes

ALKIA0691ZZ

DOOR LOCK AND UNLOCK SWITCH

DLK-217

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

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DLK

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DOOR LOCK AND UNLOCK SWITCH

DRIVER SIDE

DRIVER SIDE : Description

INFOID:0000000001728466

Transmits door lock/unlock operation to BCM.

DRIVER SIDE : Component Function Check

INFOID:0000000001728467

1.

CHECK FUNCTION

With CONSULT-III

Check CDL LOCK SW, CDL UNLOCK SW in Data Monitor mode with CONSULT-III.

Is the inspection result normal?

YES

>> Door lock and unlock switch is OK.

NO

>> refer to 

DLK-217, "DRIVER SIDE : Diagnosis Procedure"

.

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000001728468

1.

CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL

With CONSULT-III

Check main power window and door lock/unlock switch ("CDL LOCK SW", "CDL UNLOCK SW") in DATA
MONITOR mode in CONSULT–III.
• When main power window and door lock/unlock switch is turned to LOCK:

• When main power window and door lock/unlock switch is turned to UNLOCK:

Without CONSULT-III

1.

Remove key from ignition key cylinder.

2.

Using an oscilloscope, check the signal between BCM connector M18 terminal 22 and ground when the
main power window and door lock/unlock switch is turned to LOCK or UNLOCK.

3.

Make sure the signals which are shown in the figure below can be detected during 10 seconds just after
the door lock/unlock switch is turned to LOCK or UNLOCK.

Is the inspection result normal?

YES

>> Door lock and unlock switch circuit is OK.

Monitor item

Condition

CDL LOCK SW 

LOCK

: ON

UNLOCK

: OFF

CDL UNLOCK SW 

LOCK

: OFF

UNLOCK

: ON

CDL LOCK SW

:ON

CDL UNLOCK SW

:ON

Connector

Terminal

Voltage (V)

( + )

( – )

M18

22

Ground

PIIA6379E

PIIA1297E

DLK-218

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

DOOR LOCK AND UNLOCK SWITCH

NO

>> GO TO 2.

2.

CHECK BCM OUTPUT SIGNAL

Check ("POWER WINDOW DOWN") in ACTIVE TEST mode for "MULTI REMOTE ENT" with CONSULT–III.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace BCM. Refer to 

BCS-54, "Removal and Installation"

.

3.

CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect main power window and door lock/unlock switch.

3.

Check continuity between main power window and door lock/
unlock switch connector D8 terminal 17 and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK POWER WINDOW SERIAL LINK CIRCUIT

1.

Disconnect BCM.

2.

Check continuity between BCM connector M18 terminal 22 and main power window and door lock/unlock
switch connector D7 terminal 14.

Is the inspection result normal?

YES

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

NO

>> Repair or replace harness.

PASSENGER SIDE

PASSENGER SIDE : Description

INFOID:0000000001728469

Transmits door lock/unlock operation to BCM.

PASSENGER SIDE : Component Function Check

INFOID:0000000001728470

1.

CHECK FUNCTION

When "ACTIVE TEST" is performed, the front windows 
should be lowered.

17 - Ground

: Continuity should exist.

LIIA0392E

22 - 14

: Continuity should exist.

LIIA0394E

DOOR LOCK AND UNLOCK SWITCH

DLK-219

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

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F

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DLK

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With CONSULT-III

Check CDL LOCK SW, CDL UNLOCK SW in Data Monitor mode with CONSULT-III.

Is the inspection result normal?

YES

>> Door lock and unlock switch is OK.

NO

>> Refer to 

DLK-219, "PASSENGER SIDE : Diagnosis Procedure"

.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000001728471

1.

CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL

With CONSULT-III

Check power window and door lock/unlock switch RH ("CDL LOCK SW", "CDL UNLOCK SW") in DATA MON-
ITOR mode in CONSULT–III.
• When power window and door lock/unlock switch RH is turned to LOCK:

• When power window and door lock/unlock switch RH is turned to UNLOCK:

Without CONSULT-III

1.

Remove key from ignition key cylinder.

2.

Using an oscilloscope, check the signal between BCM connector M18 terminal 22 and ground when
power window and door lock/unlock switch RH is turned to LOCK or UNLOCK.

3.

Make sure the signals which are shown in the figure below can be detected during 10 seconds just after
the power window and door lock/unlock switch RH is turned to LOCK or UNLOCK.

Is the inspection normal?

YES

>> Power window and door lock/unlock switch RH circuit is OK.

NO

>> GO TO 2.

2.

CHECK BCM OUTPUT SIGNAL

Check ("POWER WINDOW DOWN") in ACTIVE TEST mode for "MULTI REMOTE ENT" with CONSULT–II.

Is the inspection normal?

YES

>> GO TO 3.

NO

>> Replace BCM. Refer to 

BCS-54, "Removal and Installation"

.

Monitor item

Condition

CDL LOCK SW 

LOCK

: ON

UNLOCK

: OFF

CDL UNLOCK SW 

LOCK

: OFF

UNLOCK

: ON

CDL LOCK SW

:ON

CDL UNLOCK SW

:ON

Connector

Terminal

Voltage (V)

( + )

( – )

M18

22

Ground

PIIA6379E

PIIA1297E

When "ACTIVE TEST" is performed, the front windows 
should be lowered.

DLK-220

< COMPONENT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

DOOR LOCK AND UNLOCK SWITCH

3.

CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect power window and door lock/unlock switch RH.

3.

Check continuity between power window and door lock/unlock
switch RH connector D105 terminal 11 and ground

Is the inspection normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK POWER WINDOW SERIAL LINK CIRCUIT

1.

Disconnect BCM.

2.

Check continuity between BCM connector M18 terminal 22 and power window and door lock/unlock
switch RH connector D105 terminal 16.

Is the inspection normal?

YES

>> Replace power window and door lock/unlock switch RH.

NO

>> Repair or replace harness.

11 - Ground

: Continuity should exist.

LIIA1140E

22 - 16

: Continuity should exist.

LIIA0395E