Infiniti Q45. Manual - part 331

REAR VIEW MONITOR

DI-191

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2. 

CHECK COMPOSITE SIGNAL GROUND CIRCUIT

Check continuity between rear view camera control unit B236 har-
ness connector terminal 11 and display harness connector M82 ter-
minal 11.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3. 

CHECK COMPOSITE IMAGE OUTPUT SIGNAL

1.

Connect rear view camera connector and display connector.

2.

Turn ignition switch ON.

3.

Shift A/T selector lever to “R” position.

4.

Check voltage signal between rear view camera control unit har-
ness connector B236 terminals 12 and 11.

OK or NG

OK

>> Composite image signal circuit is OK. Return to 

DI-187, "SYMPTOM CHART"

 .

NG

>> Replace rear view camera control unit.

AV Control Unit Reverse Signal Inspection [Without NAVI]

NKS001ED

1. 

CHECK REVERSE SIGNAL INPUT

Make sure vehicle signals by “VEHICLE SIGNALS” of “CONFIRMA-
TION/ADJUSTMENT” function. Refer to 

DI-132, "Vehicle Signals"

 .

OK or NG

OK

>> Reverse signal is OK. Return to 

DI-187, "SYMPTOM

CHART"

 .

NG

>> GO TO 2.

11 – 11

: Continuity should exist.

SKIB0714E

12 – 11:

SKIB0715E

SKIA4894E

“Reverse”

A/T selector lever “R” position

: ON

A/T selector lever in other “R” position

: OFF

PKIA9684E

DI-192

REAR VIEW MONITOR

2. 

CHECK REVERSE POSITION INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector.

3.

Turn ignition switch ON.

4.

Shift A/T selector lever to “R” position.

5.

Check voltage between AV control unit harness connector M78
terminal 19 and ground.

OK or NG

OK

>> Replace AV control unit.

NG

>> Check harness between AV control unit and back-up

lamp relay.

Rear View Camera Recognition Signal Inspection [Without NAVI]

NKS001EE

1. 

CHECK AV CONTROL UNIT SIGNAL OUTPUT

1.

Turn ignition switch OFF.

2.

Disconnect rear view camera control unit connector.

3.

Turn ignition switch ON.

4.

Check voltage between rear view camera control unit harness
connector B236 terminal 5 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> GO TO 3.

2. 

CHECK REAR VIEW CAMERA RECOGNITION SIGNAL INPUT

1.

Turn ignition switch OFF.

2.

Connect rear view camera control unit connector.

3.

Turn ignition switch ON.

4.

Check voltage between rear view camera control unit harness
connector B236 terminal 5 and ground.

OK or NG

OK

>> Rear view camera recognition signal is OK. Return to

DI-187, "SYMPTOM CHART"

 .

NG

>> Replace rear view camera control unit.

3. 

CHECK REAR VIEW CAMERA RECOGNITION SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector.

3.

Check continuity between rear view camera control unit harness
connector B236 terminal 5 and AV control unit harness connec-
tor M77 terminal 29.

OK or NG

OK

>> Replace AV control unit.

NG

>> Repair harness or connector.

19 – Ground

: Approx. 12 V

SKIB0716E

5 – Ground

: Approx. 5 V 

SKIB0732E

5 – Ground

: Approx. 0 V

SKIB0733E

5 – 29

: Continuity should exist.

SKIB0735E

REAR VIEW MONITOR

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AV and NAVI Control Unit Reverse Signal Inspection [With NAVI]

NKS001EF

1. 

CHECK REVERSE SIGNAL INPUT

Make sure vehicle signals by “VEHICLE SIGNALS” of “CONFIRMA-
TION/ADJUSTMENT” function. Refer to 

AV-110, "VEHICLE SIG-

NALS"

 .

OK or NG

OK

>> Reverse signal is OK. Return to 

DI-187, "SYMPTOM

CHART"

 .

NG

>> GO TO 2.

2. 

CHECK REVERSE POSITION INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect AV and NAVI control unit connector.

3.

Turn ignition switch ON.

4.

Shift A/T selector lever to “R” position.

5.

Check voltage between AV and NAVI control unit harness con-
nector B29 terminal 27 and ground.

OK or NG

OK

>> Replace AV and NAVI control unit.

NG

>> Check harness between AV and NAVI control unit and

back-up lamp relay.

Rear View Camera Recognition Signal Inspection [With NAVI]

NKS001EG

1. 

CHECK AV AND NAVI CONTROL UNIT SIGNAL OUTPUT

1.

Turn ignition switch OFF.

2.

Disconnect rear view camera control unit connector.

3.

Turn ignition switch ON.

4.

Check voltage between rear view camera control unit harness
connector B236 terminal 5 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> GO TO 3.

“Reverse”

A/T selector lever “R” position

: ON

A/T selector lever in other “R” position

: OFF

PKIA9684E

27 – Ground

: Approx. 12 V

SKIB0717E

5 – Ground

: Approx. 5 V 

SKIB0732E

DI-194

REAR VIEW MONITOR

2. 

CHECK REAR VIEW CAMERA RECOGNITION SIGNAL INPUT

1.

Turn ignition switch OFF.

2.

Connect rear view camera control unit connector.

3.

Turn ignition switch ON.

4.

Check voltage between rear view camera control unit harness
connector B236 terminal 5 and ground.

OK or NG

OK

>> Rear view camera recognition signal is OK. Return to

DI-187, "SYMPTOM CHART"

 .

NG

>> Replace rear view camera control unit.

3. 

CHECK REAR VIEW CAMERA RECOGNITION SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV and NAVI control unit connector.

3.

Check continuity between rear view camera control unit harness
connector B236 terminal 5 and AV and NAVI control unit har-
ness connector B30 terminal 22.

OK or NG

OK

>> Replace AV and NAVI control unit.

NG

>> Repair harness or connector.

Rear View Image is Distorted

NKS001EH

1. 

CHECK REAR VIEW CAMERA CONTROL UNIT COMPOSITE SYNCHRONIZING SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear view camera control unit connector and display
connector.

3.

Check continuity between rear view camera control unit harness
connector B236 terminal 14 and display harness connector M82
terminal 10.

4.

Check continuity between rear view camera control unit harness
connector M236 terminal 14 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair harness or connector.

5 – Ground

: Approx. 0 V

SKIB0733E

5 – 22

: Continuity should exist.

SKIB0734E

14 – 10

: Continuity should exist.

14 – Ground

: Continuity should not exist.

SKIB0718E