Diagnostic Test
WARNING: This page is about a different car, the 2009 Jeep Patriot and 2009 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
- TEST FOR INTERMITTENT CONDITION
- Turn the ignition on.
- Clear all Instrument Cluster DTCs.
- Turn the Courtesy Lamps on.
- With the scan tool, read DTCs.
Does the scan tool read: B161A-COURTESY/DOME LAMP CONTROL CIRCUIT?
Yes
- Go to step 2
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.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
- CHECK THE (M24) COURTESY LAMPS DRIVER CIRCUIT FOR A SHORT TO GROUND
- Turn the ignition off.
- Disconnect the Instrument Cluster C2 harness connector.
- Measure the resistance between the (M24) Courtesy Lamp Driver circuit and ground.
Is the resistance below 5.0 Ohms?
Yes
- Repair the (M24) Courtesy Lamp Driver circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
No
- Go to step 3
- CHECK THE (M24) COURTESY LAMPS DRIVER CIRCUIT FOR AN OPEN
- Turn the ignition off.
- Disconnect the Instrument Cluster C2 harness connector.
- Turn the ignition on.
- Measure the voltage of the (M24) Courtesy Lamp Driver circuit.
Is the voltage below 10.0 volts?
Yes
- Repair the (M24) Courtesy Lamp Driver circuit for an open.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
No
- Replace the Instrument Cluster in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .