Nissan Maxima Service and Repair Manual: Composite image signal circuit

Description

AV control unit transmits the playback DVD image signal and AUX image signal to the display unit.

Diagnosis Procedure

1.CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT

Nissan Maxima. CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect AV control unit connector M163 and display unit connector M142.
  3. Check continuity between AV control unit connector M163 (A) terminal 40 and display unit connector M142 (B) terminal 18.
  4. Check continuity between AV control unit connector M163 (A) terminal 40 and ground.

Nissan Maxima. CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT

Nissan Maxima. CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT

2.CHECK AUX COMPOSITE SIGNAL

Nissan Maxima. CHECK AUX COMPOSITE SIGNAL

  1. Connect AV control unit connector M163 and display unit connector M142.
  2. Turn ignition switch ON.
  3. Check signal between AV control unit harness connector M163 terminal 40 and ground.

Nissan Maxima. CHECK AUX COMPOSITE SIGNAL

    RGB digital image signal circuit

    Aux image signal circuit