Nissan Qashqai (2007-2010). Manual - part 1273

DIAGNOSIS SYSTEM (BCM)

PWC-9

< FUNCTION DIAGNOSIS >

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DIAGNOSIS SYSTEM (BCM)

COMMON ITEM

COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)

INFOID:0000000001116527

APPLICATION ITEM

CONSULT-III performs the following functions via CAN communication with BCM.

SYSTEM APPLICATION

BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all sub system selection items.

Diagnosis mode

Function Description

WORK SUPPORT

Changes the setting for each system function.

SELF-DIAG RESULTS

Displays the diagnosis results judged by BCM. Refer to 

BCS-61, "DTC Index"

.

CAN DIAG SUPPORT MNTR

Monitors the reception status of CAN communication viewed from BCM.

DATA MONITOR

The BCM input/output signals are displayed.

ACTIVE TEST

The signals used to activate each device are forcibly supplied from BCM.

ECU IDENTIFICATION

The BCM part number is displayed.

CONFIGURATION

• Enables to read and save the vehicle specification.
• Enables to write the vehicle specification when replacing BCM.

System

Sub system selection item

Diagnosis mode

WORK SUPPORT

DATA MONITOR

ACTIVE TEST

—

BCM

×

Door lock

DOOR LOCK

×

×

×

Rear window defogger

REAR DEFOGGER

×

×

Warning chime

BUZZER

×

×

Interior room lamp timer

INT LAMP

×

×

×

Remote keyless entry system

MULTI REMOTE ENT

×

×

×

Exterior lamp

HEAD LAMP

×

×

×

Wiper and washer

WIPER

×

×

×

Turn signal and hazard warning lamps

FLASHER

×

×

Air conditioner

AIR CONDITONER

×

Intelligent Key system

INTELLIGENT KEY

×

Combination switch

COMB SW

×

Immobilizer

IMMU

×

×

Interior room lamp battery saver

BATTERY SAVER

×

×

×

Trunk open

TRUNK

×

Vehicle security system

THEFT ALM

×

×

×

Signal buffer system

SIGNAL BUFFER

×

×

PTC heater system

PTC HEATER

×

×

PWC-10

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

COMPONENT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

POWER WINDOW MAIN SWITCH

POWER WINDOW MAIN SWITCH : Description

INFOID:0000000000990487

• BCM supplies power.
• It operates each power window motor via corresponding power window switch and makes window move up/

down when power window main switch is operated.

POWER WINDOW MAIN SWITCH : Component Function Check

INFOID:0000000000990488

Power Window Main Switch 

1.

 CHECK POWER WINDOW MAIN SWITCH FUNCTION

Does power window motor operate with power window main switch operation?
Is the inspection result normal?

YES

>> Power window main switch power supply and ground circuit are OK.

NO

>> Refer to 

PWC-10, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"

.

POWER WINDOW MAIN SWITCH : Diagnosis Procedure

INFOID:0000000000990489

Power Window Main Switch Power Supply Circuit Check

1.

CHECK POWER SUPPLY CIRCUIT 

1.

Turn ignition switch ON.

2.

Check voltage between power window main switch connector and ground.

():RHD models

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK HARNESS CONTINUITY 

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector and power window main switch connector.

3.

Check continuity between BCM connector and power window main switch connector.

4.

Check continuity between BCM connector and ground.

():RHD models

Terminal

Voltage (V)

(Approx.)

(+)

(–)

Power window main switch

connector

Terminal 

D5 (D25)

10

Ground

Battery voltage

D6 (D26)

19

BCM connector

Terminal

Power window main switch

connector

Terminal

Continuity

M67

53

D5 (D25)

10

Existed

58

D6 (D26)

19

BCM connector

Terminal

Ground

Continuity

M67

53

Not existed

58

POWER SUPPLY AND GROUND CIRCUIT

PWC-11

< COMPONENT DIAGNOSIS >

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Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect power window main switch connector.

3.

Check continuity between power window main switch connector and ground.

():RHD models

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-39, "Intermittent Incident"

.

NO

>> Repair or replace harness.

4.

CHECK BCM OUTPUT SIGNAL 

1.

Connect BCM connector. 

2.

Turn ignition switch ON.

3.

Check voltage between BCM connector and ground.

Is the inspection result normal?

YES

>> Check power window main switch output signal (front power window switch driver side) GO TO 5.

YES

>> Check power window main switch output signal (front power window switch passenger side) GO

TO 6.

YES

>> Check power window main switch output signal (rear power window switch LH) GO TO 7.

YES

>> Check power window main switch output signal (rear power window switch RH) GO TO 8.

NO

>> Replace BCM. Refer to 

BCS-64, "Exploded View"

.

5.

CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL (FRONT POWER WINDOW SWITCH DRIV-

ER SIDE)

1.

Turn ignition switch ON.

2.

Check voltage between power window main switch and ground.

():RHD models
Is the inspection result normal?

YES

>> Power window main switch is OK.

NO

>> Replace power window main switch. Refer to 

PWC-83, "Exploded View"

. After that, Refer to

PWC-15, "POWER WINDOW MAIN SWITCH : Special Repair Requirement"

.

6.

CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL (FRONT POWER WINDOW SWITCH PAS-

Power window main switch connector

Terminal

Ground

Continuity 

D6 (D26)

17

Existed

Terminals

Voltage (V)

(Approx.)

(+)

(–)

BCM connector

Terminal 

M67

53

Ground

Battery voltage

58

Terminal

Window

condition

Voltage (V)

(Approx.)

(+)

(–)

Power window main 

switch connector

Terminal 

D5 (D25)

16

Ground

UP

Battery voltage

DOWN

0

12

UP

0

DOWN

Battery voltage

PWC-12

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

SENGER SIDE)

1.

Turn ignition switch ON.

2.

Check voltage between power window main switch and ground.

():RHD models
Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Replace power window main switch. Refer to 

PWC-83, "Exploded View"

. After that, Refer to

PWC-15, "POWER WINDOW MAIN SWITCH : Special Repair Requirement"

.

7.

CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL (REAR POWER WINDOW SWITCH LH)

1.

Turn ignition switch ON.

2.

Check voltage between power window main switch and ground.

():RHD models

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Replace power window main switch. Refer to 

PWC-83, "Exploded View"

. After that, Refer to

PWC-15, "POWER WINDOW MAIN SWITCH : Special Repair Requirement"

.

8.

CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL (REAR POWER WINDOW SWITCH RH)

1.

Turn ignition switch ON.

2.

Check voltage between power window main switch and ground.

():RHD models
Is the inspection result normal?

YES

>> GO TO 11.

Terminal

Window

condition

Voltage (V)

(Approx.)

(+)

(–)

Power window main 

switch connector

Terminal 

D5 (D25)

8

Ground

UP

Battery voltage

DOWN

0

11

UP

0

DOWN

Battery voltage

Terminal

Window

condition

Voltage (V)

(Approx.)

(+)

(–)

Power window main 

switch connector

Terminal 

D5 (D25)

1

Ground

UP

Battery voltage

DOWN

0

3

UP

0

DOWN

Battery voltage

Terminal

Window

condition

Voltage (V)

(Approx.)

(+)

(–)

Power window main 

switch connector

Terminal 

D5 (D25)

7

Ground

UP

Battery voltage

DOWN

0

5

UP

0

DOWN

Battery voltage