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AV-388 < COMPONENT DIAGNOSIS > [BOSE AUDIO WITH NAVIGATION] HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT Description INFOID:0000000000964861 In composite image (AUX image, camera image), transmit the vertical synchronizing (VP) signal and horizon- Diagnosis Procedure INFOID:0000000000964862 1. CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect display unit connector and AV control unit connector. 3. Check continuity between display unit harness connector terminal 8 and AV control unit harness connec- 4. Check continuity between display unit harness connector terminal 8 and ground. Is inspection result OK? YES >> GO TO 2. NO >> Repair harness or connector. 2. CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL 1. Connect display unit connector and AV control unit connector. 2. Turn ignition switch ON. 3. Check signal between display unit harness connector terminal 8 and ground. Is inspection result OK? YES >> Replace AV control unit. NO >> Replace Display unit. 8 - 68 : Continuity should exist. 8 - Ground : Continuity should not exist. 8 - Ground SKIB3601E |