Nissan Maxima Service and Repair Manual: Horizontal synchronizing (HP) signal circuit
Nissan Maxima Service and Repair Manual / Driver information & multimedia / Audio, visual & navigation system / DTC/circuit diagnosis / 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
- Turn ignition switch OFF.
- Disconnect display unit connector M141 and AV control unit connector M154.
- Check continuity between display unit harness connector M141 (A) terminal 8 and AV control unit harness connector M154 (B) terminal 45.
- Check continuity between display unit harness connector M141 (A) terminal 8 and ground.
2.CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL
- Connect display unit connector M141 and AV control unit connector M154.
- Turn ignition switch ON.
- Check signal between display unit harness connector M141 terminal 8 and ground.
