Electrical Load Signal Circuit Check

Electrical Load Signal Circuit Check

Description

The electrical load signal (Headlamp switch signal, etc.) is transferred through the CAN communication line from BCM to ECM via IPDM E/R.

Diagnosis Procedure

1. CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-II

1 Turn ignition switch ON.
2 Connect SDT and select "Data list" mode.
3 Select "LOAD SIGNAL" and check indication under the following conditions.






OK or NG
OK
INSPECTION END
NG
GO TO 2.

2. CHECK HEADLAMP SYSTEM

Refer to Adjustments or Service and Repair.


INSPECTION END