B1615

B1615-PANEL ILLUMINATION CONTROL CIRCUIT OPEN





For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:

With the ignition on.

- Set Condition:

The Instrument Cluster detects an all open condition on the Panel Illumination Control circuits.





Theory of Operation

The Panel Illumination Control Circuits share a common 12 volt driver from the Instrument Cluster. In order for this DTC to be set, ALL Panel Illumination circuits must be open.

Diagnostic Test

1.TEST FOR AN INTERMITTENT CONDITION

Turn the ignition on.

With the scan tool, record and erase DTCs.

Turn the ignition off, wait 10 seconds then turn the ignition on.

Turn the headlamps on.

With the scan tool, read DTCs.

Does the scan tool display: B1615-PANEL ILLUMINATION CONTROL CIRCUIT OPEN?

Yes

- Go To 2

No

- The condition that caused this code to set is not present at this time. Using the wiring diagram as a guide, inspect the wiring and connectors for an intermittent condition. Operate the system several times and recheck for active DTCs.
- Perform the BODY VERIFICATION TEST-VER 1. Body Verification Test

2.CHECK CONDITION OF THE WIRING AND CONNECTORS ASSOCIATED WITH THE PANEL ILLUMINATION OUTPUT CIRCUITS





Turn the ignition off.

Disconnect the Instrument Cluster C3 harness connector and inspect the connector and associated wiring for the Panel Illumination System.

Using a fused jumper wire, probe cavity 9 of the Instrument Cluster C3 connector.

Did the illumination of the Headlamp Switch illuminate?

Yes

- Replace the Instrument Cluster.
- Perform the BODY VERIFICATION TEST-VER 1. Body Verification Test

No

- Repair the faulty wire(s)/connector(s).
- Perform the BODY VERIFICATION TEST-VER 1. Body Verification Test