Nissan Maxima Service and Repair Manual: Power supply and ground circuit

AV CONTROL UNIT

AV CONTROL UNIT : Diagnosis Procedure

1.CHECK FUSES

Check that the following AV control unit fuses are not blown.

Nissan Maxima. CHECK FUSES

2.POWER SUPPLY CIRCUIT CHECK

Nissan Maxima. POWER SUPPLY CIRCUIT CHECK

  1. Disconnect AV control unit connectors M160 and M163.
  2. Check voltage between the AV control unit connectors M160 and M163 and ground.

Nissan Maxima. POWER SUPPLY CIRCUIT CHECK

3.GROUND CIRCUIT CHECK

Nissan Maxima. GROUND CIRCUIT CHECK

  1. Turn ignition switch OFF.
  2. Check continuity between AV control unit harness connector M160 and ground.

Nissan Maxima. GROUND CIRCUIT CHECK

DISPLAY UNIT

DISPLAY UNIT : Diagnosis Procedure

1.CHECK FUSES

Check that the following display unit fuses are not blown.

Nissan Maxima. CHECK FUSES

2.CHECK POWER SUPPLY CIRCUIT

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

  1. Turn ignition switch to ACC.
  2. Check voltage between display unit harness connector M142 and ground

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

3.CHECK GROUND CIRCUIT

Nissan Maxima. CHECK GROUND CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect display unit connector.
  3. Check continuity between display unit harness connector M142 and ground.

Nissan Maxima. CHECK GROUND CIRCUIT

A/C AND AV SWITCH ASSEMBLY

A/C AND AV SWITCH ASSEMBLY : Diagnosis Procedure

1.CHECK FUSE

Check that the A/C and AV switch assembly fuse is not blown

Nissan Maxima. CHECK FUSE

2.POWER SUPPLY CIRCUIT CHECK

Nissan Maxima. POWER SUPPLY CIRCUIT CHECK

  1. Disconnect A/C and AV switch assembly connector M98.
  2. Check voltage between the A/C and AV switch assembly connector M98 and ground.

Nissan Maxima. POWER SUPPLY CIRCUIT CHECK

3.GROUND CIRCUIT CHECK

Nissan Maxima. .GROUND CIRCUIT CHECK

  1. Turn ignition switch OFF.
  2. Check continuity between A/C and AV switch assembly harness connector M98 and ground.

Nissan Maxima. .GROUND CIRCUIT CHECK

BOSE SPEAKER AMP

BOSE SPEAKER AMP : Diagnosis Procedure

1.CHECK FUSE

Check that the BOSE speaker amp. fuse is not blown.

Nissan Maxima. CHECK FUSE

2.CHECK POWER SUPPLY CIRCUIT

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect BOSE speaker amp. connector.
  3. Check voltage between BOSE speaker amp. harness connector B110 terminal 10, 11 and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect BOSE speaker amp. connector.
  3. Check continuity between BOSE speaker amp. harness connector B110 terminal 7,12 and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

REAR VIEW CAMERA

REAR VIEW CAMERA : Diagnosis Procedure

1.CHECK POWER SUPPLY CIRCUIT (REAR VIEW CAMERA SIDE)

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (REAR VIEW CAMERA SIDE)

  1. Turn ignition switch ON.
  2. Shift transmission into Reverse.
  3. Check voltage between rear view camera harness connector T101 and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (REAR VIEW CAMERA SIDE)

2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

  1. Turn ignition switch OFF.
  2. Disconnect rear view camera and AV control unit connectors.
  3. Check continuity between rear view camera harness connector T101 (A) terminal 1 and AV control unit harness connector M164 (B) terminal 68.
  4. Check continuity between rear view camera harness connector T101 (A) terminal 1 and ground

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

3.CHECK REVERSE POSITION INPUT SIGNAL

  1. Connect AV control unit connector.
  2. Turn ignition switch ON.
  3. Shift transmission into reverse.
  4. Check voltage between AV control unit harness connector M163 terminal 53 and ground.

Nissan Maxima. CHECK REVERSE POSITION INPUT SIGNAL

4.CHECK GROUND CIRCUIT

Nissan Maxima. CHECK GROUND CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect rear view camera harness connector.
  3. Check continuity between rear view camera harness connector T101 terminal 2 and ground.

Nissan Maxima. CHECK GROUND CIRCUIT

MICROPHONE

MICROPHONE : Diagnosis Procedure

1.CHECK POWER SUPPLY CIRCUIT

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

Check voltage between microphone harness connector R7 terminal 4 and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

  1. Turn ignition switch OFF.
  2. Disconnect microphone and AV control unit harness connectors.
  3. Check continuity between microphone harness connector R7 (A) terminal 4 and AV control unit harness connector M163 (B) terminal 44.
  4. Check continuity between microphone harness connector R7 (A) terminal 4 and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

3.CHECK GROUND CIRCUIT

Nissan Maxima. CHECK GROUND CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect microphone harness connector R7 and AV control unit harness connector M163.
  3. Check continuity between microphone harness connector R7 (A) terminal 2 and AV control unit harness connector M163 (B) terminal 43.

Nissan Maxima. CHECK GROUND CIRCUIT

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    Nissan Maxima Service and Repair Manual

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