B161E

B161E-READING LAMP CONTROL CIRCUIT





For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
Ignition on.

- Set Condition:
When the Cluster detects a short to battery or ground on the Control circuit.





1. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, read DTCs.

Does the scan tool display this DTC as active?

Yes

- Go To 2

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. CHECK THE (M28) GLOVE BOX LAMP DRIVER CIRCUIT FOR A SHORT TO GROUND




1. Turn the ignition off.
2. Disconnect the Cluster C2 harness connector.
3. Measure the resistance between ground and the (M28) Glove Box Lamp Driver circuit.

Is the resistance below 5.0 ohms?

Yes

- Repair the short to ground in the (M28) Glove Box Lamp Driver circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 3

3. CHECK THE (M28) GLOVE BOX LAMP DRIVER CIRCUIT FOR AN OPEN




1. Turn the ignition on.
2. Activate the left and right vanity lamps (if equipped), the glove box lamp, and the left and right door handle lamps.
3. Measure the voltage of the (M28) Glove Box Lamp Driver circuit.

Is the voltage below 10.0 volts?

Yes

- Repair the open in the (M28) Glove Box Lamp Driver circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

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