Diagnostic Test
WARNING: This page is about a different car, the 2009 Dodge Sprinter. However, it is still accessible from the selected car via links, so may be relevant.
- TEST FOR INTERMITTENT CONDITION
- Turn the ignition on.
- With the scan tool, record and erase DTCs.
- Start the engine.
- Operate the rear defogger switch several times.
- With the scan tool, read DTCs.
Does the scan tool display 907B-REAR WINDOW HEATER 1 CONTROL CIRCUIT LOW?
Yes
- Go to step 2
No
- The conditions that caused this code to set are not present at this time. Using the SYSTEM WIRING DIAGRAMS as a guide, inspect the wiring and connectors.
- Perform BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Body Control (BCM) - Standard Procedure .
- DEFOGGER RELAY
- Turn the ignition off.
- Install a known good relay in place of the Rear Window Defogger 1 Relay.
- Turn the ignition on.
- With the scan tool, erase DTCs.
- Start the engine.
- Operate the rear defogger switch several times.
- With the scan tool, read DTCs.
Does the scan tool display 907B-REAR WINDOW HEATER 1 CONTROL CIRCUIT LOW?
No
- Replace the original Rear Window Defogger 1 Relay in accordance with the Service Information.
- Perform BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Body Control (BCM) - Standard Procedure .
Yes
- Go to step 3
- HEATED REAR WINDOW RELAY 1 CONTROL SHORTED
- Turn the ignition off.
- Disconnect the Rear Window Defogger 1 Relay.
- Disconnect the Body Control Module C9 connector.
- Measure the resistance between ground and the Heated Rear Window Relay 1 Control circuit at the relay.
Is the resistance below 1000.0 ohms?
Yes
- Repair the Heated Rear Window Relay 1 Control circuit for a short to ground.
- Perform BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Body Control (BCM) - Standard Procedure .
No
- Replace the Body Control Module (BCM) in accordance with the Service Information.
- Perform BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Body Control (BCM) - Standard Procedure .