Symptom diagnosis
RefrigerantHorizontal 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 ...
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 ...
CAN communication circuit
Diagnosis Procedure
1.CONNECTOR INSPECTION
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication system.
Check terminals and connectors for damage, bend and loose
connection.
2.CHECK HARNESS CON ...