Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.

BCM branch line circuit
M&A branch line circuitFront wiper motor lo circuit
Component Function Check
1. CHECK FRONT WIPER LO OPERATION
IPDM E/R AUTO ACTIVE TEST
Start IPDM E/R auto active test. Refer to PCS-11, "Diagnosis
Description".
Check that the front wiper operates at the LO operation.
CONSULT ACTIVE TEST
Select "FRONT WIPER" of IPDM E/R active test ...
Interior room lamp control circuit
Description
Controls each interior room lamp (ground side) by PWM signal.
NOTE: PWM signal control period is
approximately 250 Hz (in the gradual brightening/dimming).
Component Function Check
CAUTION: Before performing the diagnosis,
check that the following is normal.
Battery saver ou ...
Check cooling fan relay
Description
The electrical load signal (Headlamp switch signal, rear window defogger
switch signal, etc.) is transferred via
the CAN communication line from BCM to ECM via the IPDM E/R.
Component Function Check
1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
Turn ignition switch ON.
Connec ...