B2101

B2101-IGNITION RUN/START INPUT LOW





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

- When Monitored:
With the ignition switch on.

- Set Condition:
The WCM/WIN (SKREEM) Module has detected the ignition switch input voltage below a calibrated value.





1. CHECK FOR ACTIVE DTC
1. Turn the ignition on.
2. With a scan tool, read, record and erase TIPM DTCs.
3. Turn the ignition off for 30 seconds, then back on.
4. Using the scan tool, read TIPM DTCs.

Does the scan tool display this DTC as active?

Yes

- Go To 2

No

- The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. (F20) IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT OPEN





NOTE: Check the related fuse (TIPM 46) to the (F20) Ignition Switch Output (Run-Start) circuit. If blown, use the wiring diagrams as a guide to make necessary repairs.

1. Turn the ignition off.
2. Disconnect the TIPM C7 harness connector.
3. Turn the ignition on.
4. Using a 12-volt test light connected to ground, probe the (F20) Ignition Switch output (Run-Start) circuit in the TIPM C7 harness connector.

Does the test light illuminate brightly?

Yes

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

No

- Repair the (F20) Ignition switch output circuit for an open.
- Perform the BODY VERIFICATION TEST. Body Verification Test.