Component Inspection
1. Check Multifunction switch
1.

Connect scantool to Data Link Connector(DLC).

2.

Ignition "ON" & engine "OFF".

3.

Substitute with a known-good Multifunction switch and Check if the DTC is erased.

4.

Is the DTC erased ?

YES

a.

Substitute with a known-good Multifunction switch and check for proper operation.If the problem is corrected, replace Multifunction switch and then go to "Verification of Vehicle Repair" procedure.

NO

a.

Go to "Check BCM" procedure.

2. Check BCM
5.

Connect scantool to Data Link Connector(DLC).

6.

Ignition "ON" & engine "OFF".

7.

Substitute with a known-good BCM and Check if the DTC is erased.

8.

Is the DTC erased ?

YES

a.

Substitute with a known-good BCM and check for proper operation.

If the problem is corrected, replace BCM and then go to "Verification of Vehicle Repair" procedure.

NO

a.

Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.

Яндекс.Метрика