B2105

B2105-IGNITION RUN/START 1 CONTROL CIRCUIT HIGH





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

- When Monitored:
With the ignition on.

- Set Condition:
The Totally Integrated Power Module (TIPM) detects a short to voltage in the run/start relay coil control circuit.





1. CHECK FOR ACTIVE DTC
1. Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 30 seconds.
2. With the scan tool, read the active 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. If the DTC is stored, check for an intermittent condition. Inspect the run/start relay (22) for proper fit. Look for pushed out or corroded terminals at the relay socket.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. CHECK THE RUN/START RELAY (22)
1. Turn the ignition off.
2. Remove the run/start relay (22) and substitute it with a known good relay.
3. Start the engine.
4. Allow the engine to idle for 1 minute.
5. With the scan tool, read the active DTCs.

Does the scan tool display DTC: B2105-IGNITION RUN/START 1 CONTROL CIRCUIT HIGH?

Yes

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

No

- Replace the run/start relay (22).
- Perform the BODY VERIFICATION TEST. Body Verification Test.