Electrical Load Signal

ELECTRICAL LOAD SIGNAL

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-I

1.Turn ignition switch ON.
2.Connect CONSULT and select "DATA MONITOR" mode.
3.Select "LOAD SIGNAL" and check indication under the following conditions.





OK or NG
OK- GO TO 2.
NG- GO TO 4.

2. CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-II

Check "LOAD SIGNAL" indication under the following conditions.





OK or NG
OK- GO TO 3.
NG- GO TO 5.

3. CHECK HEATER FAN SIGNAL CIRCUIT OVERALL FUNCTION

Select "HEATER FAN SW" and check indication under the following conditions.





OK or NG
OK-INSPECTION END
NG- GO TO 6.

4. CHECK REAR WINDOW DEFOGGER SYSTEM

Initial Inspection and Diagnostic Overview.
-INSPECTION END

5. CHECK HEADLAMP SYSTEM

Exterior Lighting.
-INSPECTION END

6. CHECK HEATER FAN CONTROL SYSTEM

Type 1 (TYPE 1) or Type 2 (TYPE 2).
-INSPECTION END