Nissan Pathfinder (2011 year). Manual - part 520

DIAGNOSIS SYSTEM (BCM)

RF-9

< SYSTEM DESCRIPTION >

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RETAINED PWR
RETAINED PWR : CONSULT-III Function (BCM - RETAINED PWR)

INFOID:0000000006698812

DATA MONITOR

ACTIVE TEST

WORK SUPPORT

*: Initial setting

Monitor Item [Unit]

Description

IGN ON SW [On/Off]

Indicates condition of ignition switch ON position.

DOOR SW-DR [On/Off]

Indicates condition of front door switch LH.

DOOR SW-AS [On/Off]

Indicates condition of front door switch RH.

Test Item

Description

RETAINED PWR

This test is able to check retained power operation [Off/On].

Support Item

Setting

Description

RETAINED PWR SET

MODE3

2 min

Sets the retained accessory power operating time. 

MODE2

OFF

MODE1*

45 sec

2011 Pathfinder

RF-10

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

SUNROOF MOTOR ASSEMBLY
SUNROOF MOTOR ASSEMBLY : Diagnosis Procedure

INFOID:0000000006247114

Regarding Wiring Diagram information, refer to 

RF-29, "Wiring Diagram"

.

SUNROOF MOTOR ASSEMBLY

1.

 CHECK SUNROOF MOTOR POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect sunroof motor assembly connector B83.

3. Turn ignition switch ON.

4. Check voltage between sunroof motor assembly connector B83

terminals 7 and 9 and ground.

Is the voltage as specified?

YES

>> GO TO 5

NO

>> GO TO 2

2.

 CHECK SUNROOF MOTOR POWER SUPPLY CIRCUITS

1. Turn ignition switch OFF.

2. Disconnect BCM connector M20 and circuit breaker-2 connector M82 (with automatic drive positioner) or

M83 (without automatic drive positioner).

3. Check continuity between BCM connector M20, circuit breaker-2 connector M82 (with automatic drive

positioner) or M83 (without automatic drive positioner) and sunroof motor assembly connector B83.

4. Check continuity between BCM connector M20, circuit breaker-2 and ground.

Are the continuity test results as specified?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK BCM OUTPUT SIGNAL

1. Connect BCM connector M20.

2. Turn ignition switch ON.

3. Check voltage between BCM connector M20 and ground.

(+)

(–)

Voltage

Connector

Terminal 

B83

7

Ground

Battery voltage

9

ALKIA1176GB

Connector

Terminal

Connector

Terminal

Continuity

M20

68

B83

9

Yes

M82 or M83

1 

7

Connector

Terminal

—

Continuity

M20

68

Ground

No

M82 or M83

1

2011 Pathfinder

POWER SUPPLY AND GROUND CIRCUIT

RF-11

< DTC/CIRCUIT DIAGNOSIS >

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Is the voltage reading as specified?

YES

>> GO TO 4

NO

>> Replace BCM. Refer to 

BCS-55, "Removal and Installation"

.

4.

 CHECK SUNROOF MOTOR POWER SUPPLY CIRCUITS

1. Check voltage between circuit breaker-2 connector M82 (with automatic drive positioner) or M83 (without

automatic drive positioner) and ground.

Is the voltage reading as specified?

YES

>> Replace circuit breaker-2

NO

>> Repair or replace harness.

5.

 CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Check continuity between sunroof motor assembly connector

B83 terminal 10 and ground.

Is the continuity test result as specified?

YES

>> Inspection End

NO

>> Repair or replace harness.

SUNROOF MOTOR ASSEMBLY : Special Repair Requirement

INFOID:0000000006247115

1.

 PERFORM INITIALIZATION PROCEDURE

Perform initialization procedure. 

Refer to 

RF-5, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement"

.

Does the sunroof motor assembly operate properly?

YES

>> Repair is complete.

NO

>> Check fitting adjustment.

(+)

(–)

Voltage

Connector

Terminal 

M20

68

Ground

Battery voltage

(+)

(–)

Voltage

Connector

Terminal 

M82 or M83

2

Ground

Battery voltage

Connector

Terminal

—

Continuity 

B83

10

Ground

Yes

ALKIA1178GB

2011 Pathfinder

RF-12

< DTC/CIRCUIT DIAGNOSIS >

SUNROOF SWITCH CIRCUIT

SUNROOF SWITCH CIRCUIT

Description

INFOID:0000000006247116

The BCM supplies power to the integrated CPU of the sunroof motor assembly. The tilt and slide functions of

the sunroof motor assembly is controlled by the sunroof switch. 

Component Function Check

INFOID:0000000006247117

1.

 CHECK SUNROOF MOTOR FUNCTION

Check to see if tilt up/down & slide open/close functions operate normally with sunroof switch.
Is the inspection result normal?

YES

>> Sunroof motor assembly is OK.

NO

>> Refer to 

RF-12, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006247118

Regarding Wiring Diagram information, refer to 

RF-29, "Wiring Diagram"

.

1.

 CHECK SUNROOF SWITCH INPUT SIGNAL

1. Turn ignition switch ON.

2. Check voltage between sunroof switch connector and ground.

Are the voltage measurements as specified?

YES

>> Sunroof switch is operating normally. 

NO

>> GO TO 2

2.

 CHECK SUNROOF SWITCH CIRCUITS

1. Turn ignition switch OFF.

2. Disconnect sunroof motor assembly connector B83 and sunroof

switch connector R4.

3. Check continuity between sunroof motor assembly connector

B83 (A) and sunroof switch connector R4 (B).

4. Check continuity between sunroof motor assembly connector B83 (A) and ground. 

Are the continuity test results as specified?

Connector

Terminals

Sunroof switch position

Voltage (V)

(Approx.)

(+)

(–)

R4

1

2

DOWN/OPEN

0V

Other than above

Battery voltage

3

UP/CLOSE

0V

Other than above

Battery voltage

A

B

Continuity

Connector

Terminal

Connector

Terminal

B83

1

R4

3

Yes

5

1

A

—

Continuity

Connector

Terminal

B83

5

Ground

No

1

ALKIA1180GB

2011 Pathfinder

SUNROOF SWITCH CIRCUIT

RF-13

< DTC/CIRCUIT DIAGNOSIS >

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YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

 CHECK SUNROOF SWITCH GROUND CIRCUIT

1. Connect sunroof motor assembly.

2. Check continuity between sunroof switch connector R4 and ground.

Is the continuity test result as specified?

YES

>> GO to 4

NO

>> Repair or replace harness.

4.

 CHECK SUNROOF SWITCH

1. Check continuity between sunroof switch terminals.

Are the continuity test results as specified?

YES

>> Sunroof switch is operating normally.

NO

>> Replace sunroof switch (map lamp assembly). Refer to

INL-61, "Removal and Installation"

.

Sunroof switch connector

Terminal

Ground

Continuity 

R4

2

Yes

Terminals

Sunroof switch position

Continuity

1

2

DOWN/OPEN

Yes

Other than above

No

3

UP/CLOSE

Yes

Other than above

No

ALKIA1181GB

2011 Pathfinder

RF-14

< DTC/CIRCUIT DIAGNOSIS >

VEHICLE SPEED SIGNAL CIRCUIT

VEHICLE SPEED SIGNAL CIRCUIT

Component Function Check

INFOID:0000000006827820

1.

CHECK SUNROOF MOTOR ASSEMBLY INPUT SIGNAL

1. Start engine.

2. Drive the vehicle at more than 40 km/h (25 MPH).

CAUTION:

Always drive vehicle at a safe speed.

NOTE:

This procedure may be conducted with the drive wheels lifted in the shop or by driving the vehicle.

If a road test is expected to be easier, it is unnecessary to lift the vehicle.

3. Check tilt up/down & slide open/close operations with sunroof switch.
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Refer to 

RF-14, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006827821

SUNROOF MOTOR ASSEMBLY

1.

CHECK SUNROOF MOTOR ASSEMBLY INPUT SIGNAL

1. Turn ignition switch OFF.

2. Disconnect combination meter connector and sunroof motor assembly connector.

3. Check continuity between combination meter connector and sunroof motor assembly connector.

4. Check continuity between sunroof motor assembly connector and ground.

Is the inspection result normal?

YES

>> Check combination meter. Refer to 

MWI-30, "Diagnosis Procedure"

.

NO

>> Repair or replace harness or connector.

Combination meter

Sunroof motor assembly

Continuity

Connector

Terminal

 Connector

Terminal

M24

5

B83

8

Yes

Sunroof motor assembly

Ground

Continuity 

 Connector

Terminal

B83

8

No

2011 Pathfinder

DOOR SWITCH

RF-15

< DTC/CIRCUIT DIAGNOSIS >

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DOOR SWITCH

Description

INFOID:0000000006827822

Detects door open/close condition.

Component Function Check

INFOID:0000000006827823

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 

RF-15, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006827824

Regarding Wiring Diagram information, refer to 

RF-29, "Wiring Diagram"

.

1.

CHECK DOOR SWITCHES INPUT SIGNAL

With CONSULT-III

Check door switches ("DOOR SW-DR", "DOOR SW-AS") in DATA MONITOR mode with CONSULT–III. Refer

to 

BCS-17, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"

.

• When any doors are open:

• When any doors are closed:

Without CONSULT-III

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

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.

Monitor item

Condition

DOOR SW-DR

CLOSE 

→

 OPEN: OFF 

→

 ON

DOOR SW-AS

DOOR SW-DR

: ON

DOOR SW-AS

: ON

DOOR SW-DR

: OFF

DOOR SW-AS

: OFF

Connec-

tor

Item

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

M19

Front door 

switch LH

47

Ground

Open

↓

Closed

0

↓

Battery voltage

M18

Front door 

switch RH

12

2011 Pathfinder

RF-16

< DTC/CIRCUIT DIAGNOSIS >

DOOR SWITCH

2. Disconnect door switch and BCM.

3. Check continuity between door switch connector B8 (Front LH), B108 (Front RH) terminal 2 and BCM

connector M18, M19 terminals 12, 47.

4. Check continuity between door switch connector B8 (Front LH),   B108 (Front RH) terminal 2 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

CHECK DOOR SWITCHES

1. Check continuity between door switch terminals.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-55, "Removal and Installa-

tion"

NO

>> Replace door switch.

2 - 47

:Continuity should exist

2 - 12

:Continuity should exist

2 - Ground

:Continuity should not exist

Terminal

Condition

Continuity

Door switch

2 – Ground

Open

Yes

Closed

No

WIIA0644E

2011 Pathfinder