Preparation
AV control unitHVAC 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 ...
U1243 display unit
DTC Logic
Diagnosis Procedure
1.CHECK DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT
Check display unit power supply and ground circuit
2.CHECK CONTINUITY OF COMMUNICATION CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M142 and AV control unit
connector M163.
...
Normal operating condition
Description
FRONT WIPER MOTOR PROTECTION FUNCTION
IPDM E/R may stop the front wiper to protect the front wiper motor
if any obstruction (operation resistance)such as a large amount of snow
is detected during the front wiper operation.
At that time turn OFF the front wiper and remove the ...