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AV-84 < COMPONENT DIAGNOSIS > [MID AUDIO] HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT Description INFOID:0000000003939002 In composite image (AUX image, camera image), transmit the vertical synchronizing (VP) signal and horizon- Diagnosis Procedure INFOID:0000000003939003 1. CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect display unit connector M93 and AV control unit con- 3. Check continuity between display unit harness connector M93 4. Check continuity between display unit harness connector M93 Are continuity results as specified? YES >> GO TO 2 NO >> Repair harness or connector. 2. CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL 1. Connect display unit connector M93 and AV control unit connec- 2. Turn ignition switch ON. 3. Check signal between display unit harness connector M93 ter- Are voltage readings as specified? YES >> Replace AV control unit. Refer to AV-142, "Removal and Installation" . NO >> Replace display unit. Refer to AV-144, "Removal and Installation" A B Continuity Connector Terminal Connector Terminal M93 8 M45 45 Yes A — Continuity Connector Terminal M93 8 Ground No ALNIA0394GB (+) (-) Condition Reference signal Connector Terminal M93 8 Ground Receive ALNIA0396GB SKIB3601E 2009 Pathfinder |