B1C69

DTC Troubleshooting: B1C69

DTC B1C69:

Passenger's Heater Not Heating

NOTE:

- If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.
- The seat heater control unit does not turn on the seat heater until the seat core temperature is 85 degrees or less. Make sure the seat core temperature is below 85 degrees before troubleshooting.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0), and then back to ON (II).

3. Check for DTCs with the HDS.

Is DTC B1C69 indicated?

YES -

Go to step 4.

NO -

Intermittent failure, the circuit is OK at this time. Check for loose or poor connections between the seat heater control unit and the front passenger's seat heater.

4. Check for DTCs with the HDS.

Are DTCs B1C57, B1C58, B1C62, and/or B1C63 indicated?

YES -

Go to the indicated DTCs troubleshooting.

NO -

Replace the front passenger's seat cushion heater.