Nissan Maxima Service and Repair Manual: Horizontal synchronizing (HP) signal circuit

Description

In composite image (AUX image, camera image), transmit the vertical synchronizing (VP) signal and horizontal synchronizing (HP) signal from display unit to AV control unit so as to synchronize the RGB images displayed with AV control unit such as the image quality adjusting menu, etc.

Diagnosis Procedure

1.CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

Nissan Maxima. CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect display unit connector M141 and AV control unit connector M117.
  3. Check continuity between display unit harness connector M141 (A) terminal 8 and AV control unit harness connector M117 (B) terminal 45.
  4. Check continuity between display unit harness connector M141 (A) terminal 8 and ground.

Nissan Maxima. CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

Nissan Maxima. CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

2.CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL

Nissan Maxima. CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL

  1. Connect display unit connector M141 and AV control unit connector M117.
  2. Turn ignition switch ON.
  3. Check signal between display unit harness connector M141 terminal 8 and ground.

Nissan Maxima. CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL

    RGB AREA (YS) signal circuit

    Vertical synchronizing (VP) signal circuit