Nissan Maxima Service and Repair Manual: RGB area (YS) signal circuit

Description

Transmits the display area of RGB image displayed by AV control unit with RGB area (YS) signal to display unit.

Diagnosis Procedure

1.CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT

Nissan Maxima. CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect display unit connector M141 and AV control unit connector M154.
  3. Check continuity between display unit harness connector M141 (A) terminal 9 and AV control unit harness connector M154 (B) terminal 43.
  4. Check continuity between display unit harness connector M141 (A) terminal 9 and ground.

Nissan Maxima. CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT

Nissan Maxima. CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT

2.CHECK RGB SYNCHRONIZING SIGNAL

Nissan Maxima. CHECK RGB SYNCHRONIZING SIGNAL

  1. Connect display unit connector M141 and AV control unit connector M154.
  2. Turn ignition switch ON.
  3. Check signal between display unit harness connector M141 terminal 9 and ground.

Nissan Maxima. CHECK RGB SYNCHRONIZING SIGNAL

    RGB synchronizing signal circuit

    Horizontal synchronizing (HP) signal circuit