Preparation
Audio unitRGB digital image signal circuit
Description
Transmit the image displayed with AV control unit with RGB digital image
signal to the display unit.
Diagnosis Procedure
1.CHECK CONTINUITY RGB DIGITAL IMAGE SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M151 and AV control unit
connector
...
U1207 AV control unit
DTC Logic
Diagnosis Procedure
1.PERFORM THE SELF-DIAGNOSIS
Delete the "self-diagnosis" results of "MULTI AV". Turn ignition
switch OFF.
Turn ignition switch ON. Perform the self-diagnosis again.
Check that the DTC is detected again.
U1216 AV CONTROL UNIT
DTC Logic
U1217 AV ...
HVAC branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the A/C auto amp. for
damage, bend and loose connection (unit
side and connector side).
2.CHECK HARNESS FOR OPEN CIRCUI ...