Lamps/Lighting - Interior

9020-INTERIOR LIGHT CONTROL CIRCUIT LOW-RCM





For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
- Continuously
- Set Condition:
- When the RCM detects a short to battery on the Control circuit.





Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
Clear all RCM DTC's
Turn the interior lamps on.
With the scan tool, read DTC's.
Does the scan tool read: 9020-INTERIOR LIGHT CONTROL CIRCUIT LOW-RCM?

Yes

- Go To

No

- The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.2
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests

2. TEST INTERIOR LAMP
Turn the ignition off
Check the and verify that interior lamp bulb is ok.
Turn the ignition off the on again.
With the scan tool check DTC's.
Is the fault code current?

Yes

- Replace the Roof Control Module.
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests

No

- Replace the Interior lamp bulb.
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests