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

Nissan Maxima Service and Repair Manual / Driver information & multimedia / Audio, visual & navigation system / DTC/circuit diagnosis / Power supply and ground circuit

AV CONTROL UNIT

AV CONTROL UNIT : Diagnosis Procedure

1.CHECK FUSES

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

Nissan Maxima. CHECK FUSES

2.POWER SUPPLY CIRCUIT CHECK

Nissan Maxima. POWER SUPPLY CIRCUIT CHECK

  1. Disconnect AV control unit connectors M115 and M119.
  2. Check voltage between the AV control unit connectors M115 and M119 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 and ground.

Nissan Maxima. GROUND CIRCUIT CHECK

DISPLAY UNIT

DISPLAY UNIT : Diagnosis Procedure

1.CHECK POWER SUPPLY CIRCUIT

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

  1. Turn ignition switch to ACC.
  2. Check voltage between display unit harness connector M141 and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

2.CHECK POWER SUPPLY CIRCUIT

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect the display unit connector M141 and the AV control unit connector M117.
  3. Check continuity between the display unit harness connector M141 (A) and the AV control unit connector M117 (B)
  4. Check continuity between the display unit harness connector M141 (A) and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

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 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 fuse of the AC and AV switch assembly 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

SATELLITE RADIO TUNER

SATELLITE RADIO TUNER : Diagnosis Procedure

1.CHECK FUSES

Check that the following fuses of the satellite radio tuner (factory installed) are not bl

Nissan Maxima. CHECK FUSES

2.POWER SUPPLY CIRCUIT CHECK

Nissan Maxima. POWER SUPPLY CIRCUIT CHECK

  1. Turn ignition switch OFF.
  2. Disconnect satellite radio tuner (factory installed) connector B111.
  3. Check voltage between the satellite radio tuner (factory installed) 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 satellite radio tuner (factory installed) harness connector and ground. 

Nissan Maxima. GROUND CIRCUIT CHECK

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 M118 (B) terminal 70.
  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 M119 terminal 105 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

BLUETOOTH CONTROL UNIT

BLUETOOTH CONTROL UNIT : Diagnosis Procedure

1.CHECK FUSE

Check that the following fuses of the Bluetooth control unit are not blow

Nissan Maxima. CHECK FUSE

2.CHECK POWER SUPPLY CIRCUIT

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

Check voltage between Bluetooth control unit harness connector B131 and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

3.CHECK GROUND CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect Bluetooth control unit connector.
  3. Check continuity between Bluetooth control unit harness connector B131 and ground.

Nissan Maxima. CHECK GROUND CIRCUIT

MICROPHONE

MICROPHONE : Diagnosis Procedure

1.CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)

  1. Turn ignition switch ON.
  2. Check voltage between microphone harness connector R7 terminal 4 and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)

2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

  1. Turn ignition switch OFF.
  2. Disconnect microphone and Bluetooth control unit harness connectors.
  3. Check continuity between microphone harness connector R7 (A) terminal 4 and Bluetooth control unit harness connector B131 (B) terminal 29.
  4. Check continuity between microphone harness connector R7 (A) terminal 4 and groun

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

3.CHECK POWER SUPPLY CIRCUIT (BLUETOOTH CONTROL UNIT SIDE)

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (BLUETOOTH CONTROL UNIT SIDE)

  1. Connect Bluetooth control unit harness connector.
  2. Turn ignition switch to ACC.
  3. Check voltage between Bluetooth control unit harness connector B131 terminal 29 and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (BLUETOOTH CONTROL UNIT SIDE)

4.CHECK GROUND CIRCUIT

Nissan Maxima. CHECK GROUND CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect microphone harness connector R7 and Bluetooth control unit harness connector B131.
  3. Check continuity between microphone harness connector R7 (A) terminal 2 and Bluetooth control unit harness connector B131 (B) terminal 8.

Nissan Maxima. CHECK GROUND CIRCUIT

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