B11C0

B11C0-13-STEERING WHEEL HEATER POWER SUPPLY - CIRCUIT OPEN





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

- When Monitored:
With the engine running.

- Set Condition:
The Heated Seat Module (HSM) detects no voltage on the (F931) Fused Ignition Run Control Output circuit for more than two seconds.





1. TEST FOR INTERMITTENT CONDITION

NOTE: Make sure the battery is fully charged and the charging system is operating properly before proceeding.

1. Turn the ignition on.
2. With the scan tool, record and erase Diagnostic Trouble Codes (DTCs).
3. Turn the ignition off.
4. Start the engine and let it run.
5. With the scan tool, read DTCs.

Is the DTC active?

Yes

- Go To 2

No

- The conditions that caused this code to set are not present at this time. Verify seat harness is routed correctly to the HSM. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals. Attempt to reproduce condition by adjusting the seat.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. CHECK THE (F931) FUSED IGNITION RUN CONTROL OUTPUT CIRCUIT FOR AN OPEN OR SHORT




1. Turn the ignition off.
2. Disconnect the HSM C4 harness connector.
3. Turn the ignition on.
4. Using a 12-volt test light connected to ground, check the (F931) Fused Ignition Run Control Output circuit.

Does the test light illuminate brightly?

Yes

- Replace the Heated Seat Module (HSM). Heated Seat Module - Removal.

No

- Repair the open or short in the (F931) Fused Ignition Run Control Output circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.