Infiniti QX56 (JA60). Manual - part 759

PWC-48

< COMPONENT DIAGNOSIS >

REAR POWER VENT WINDOW RELAY (OPEN) CHECK

1. Disconnect rear power vent window switch.

2. Check continuity between rear power vent window relay (OPEN)

connector M87 terminal 2 and rear power vent window switch

connector M95 terminal 3.

Is the inspection result normal?

YES

>> Replace rear power vent window switch.

NO

>> Repair or replace harness.

2 - 3

: Continuity should exist.

LIIA1568E

REAR POWER VENT WINDOW RELAY (CLOSE) CHECK

PWC-49

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

REAR POWER VENT WINDOW RELAY (CLOSE) CHECK

Description

INFOID:0000000005147234

Rear power vent windows OPEN/CLOSE by receiving the signal from rear power vent window switch.

Diagnosis Procedure

INFOID:0000000005147235

Regarding Wiring Diagram information, refer to 

PWC-53, "Wiring Diagram"

.

1.

CHECK REAR POWER VENT WINDOW RELAY (CLOSE) POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect rear power vent window relay (CLOSE).

3. Turn ignition switch ON.

4. Check voltage between rear power vent window relay (CLOSE)

connector and ground.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace harness.

2.

CHECK REAR POWER VENT WINDOW RELAY (CLOSE)

Check continuity between rear power vent window relay (CLOSE)

terminals 3 and 4, 3 and 5.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Replace rear power vent window relay (CLOSE).

3.

CHECK REAR POWER VENT WINDOW RELAY (CLOSE) GROUND CIRCUIT

Check continuity between rear power vent window relay (CLOSE)

connector M89 terminal 4 and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

CHECK REAR POWER VENT WINDOW RELAY (CLOSE) CIRCUIT

Connector

Terminals

Voltage (V)

(Approx.)

(+)

(-)

M89

1

Ground

Battery voltage

5

LIIA1565E

Terminals

Condition

Continuity

3

4

12V direct current supply 
between terminals 1 and 2

No

No current supply

Yes

3

5

12V direct current supply 
between terminals 1 and 2

Yes

No current supply

No

WIIA0291E

4 - Ground

: Continuity should exist.

LIIA1567E

PWC-50

< COMPONENT DIAGNOSIS >

REAR POWER VENT WINDOW RELAY (CLOSE) CHECK

1. Disconnect rear power vent window switch.

2. Check continuity between rear power vent window relay

(CLOSE) connector M89 terminal 2 and rear power vent window

switch M95 terminal 4.

Is the inspection result normal?

YES

>> Replace rear power vent window switch.

NO

>> Repair or replace harness.

2 - 4

: Continuity should exist.

LIIA1569E

POWER WINDOW MAIN SWITCH

PWC-51

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

ECU DIAGNOSIS

POWER WINDOW MAIN SWITCH

Reference Value 

INFOID:0000000005147240

TERMINAL LAYOUT

PHYSICAL VALUES

MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH

LIIA2455E

Terminal No.

(Wire color)

Description

Condition

Voltage [V]

(Approx.)

+

–

Signal name 

Input/

Output

2

(W/B)

Ground Encoder ground

—

—

0

4

(L)

Ground

Door key cylinder switch LH
LOCK signal

Input

Key position
(Neutral 

→ Locked)

5 

→ 0

6

(R)

Ground

Door key cylinder switch LH
UNLOCK signal

Input

Key position
(Neutral 

→ Unlocked)

5 

→ 0

8

(G/R)

11

Front door power window mo-
tor LH UP signal

Output

When front LH switch in
power window main switch 
is operated UP.

 Battery voltage

9

(O)

2

Encoder pulse signal 2

Input

When power window mo-
tor operates.

10

(W/L)

Ground RAP signal

Input

IGN SW ON

Battery voltage

Within 45 second after ig-
nition switch is turned to 
OFF.

Battery voltage

When front LH or RH door 
is opened during retained 
power operation.

0

11

(G/W)

8

Front door power window mo-
tor LH DOWN signal

Output

When front LH switch in 
power window main switch 
is operated DOWN.

 Battery voltage

JMKIA0070GB