Description
Component Function Check
1. CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
Check that the indicator lamp of rear window defogger illuminates with rear window defogger switch ON.
Diagnosis Procedure
1. CHECK A/C AUTO AMP. (REAR WINDOW DEFOGGER SWITCH)
Check A/C auto amp. operation
2.CHECK REAR WINDOW DEFOGGER SWITCH REQUIRE SIGNAL

3. CHECK REAR WINDOW DEFOGGER SWITCH REQUIRE SIGNAL CIRCUIT FOR OPEN

4. CHECK REAR WINDOW DEFOGGER SWITCH REQUIRE SIGNAL CIRCUIT FOR SHORT

Rear window defogger relaySystem temporarily unavailable
When radar blockage is detected, the system will
be deactivated automatically. The "Side Radar
Obstruction" warning message will appear and
the BSW/RCTA indicator (white) will blink A in
the vehicle information display.
The system is not available until the conditions no
longer exist.
...
BCM 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 BCM for damage, bend and
loose connection (unit side and
connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
Disc ...
Ground
Ground Distribution
MAIN HARNESS
ENGINE ROOM HARNESS
FRONT END MODULE HARNESS
ENGINE CONTROL HARNESS
BODY HARNESS
BODY NO. 2 HARNESS
...