Horizontal Synchronizing (HP) Signal Circuit

HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Base Audio.

1. CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT CONTINUITY

1.Turn ignition switch OFF.
2.Disconnect AV control unit connector M45 and display unit connector.
3.Check continuity between AV control unit connector M45 terminal 62 and display unit connector M93 terminal 8.





4.Check continuity between AV control unit connector M45 terminal 62 and ground.





Is inspection result normal?
YES- GO TO 2.
NO- Repair or replace harness or connectors.

2. CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL

1.Connect AV control unit connector M45 and display unit connector.
2.Turn ignition switch ON.
3.Check signal between display unit connector M93 terminal 8 and ground.





Is inspection result normal?
YES- Replace AV control unit. Refer to "Removal and Installation AV Control Unit" Base Audio.
NO- Replace display unit. Refer to "Removal and Installation" Base Audio.
Revision: March 20122013 Infiniti JX