P1167

DTC P1167: A/F Sensor (Sensor 1) Heater Circuit Malfunction

1. Reset the ECM.
2. Start the engine. Wait for at least 80 seconds.

Is DTC P01167 indicated?

YES - Go to step 3.

NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the A/F sensor relay, at the A/F sensor (Sensor 1), and at the ECM.

3. Turn the ignition switch OFF.
4. Disconnect the A/F sensor 4P connector and ECM connector A (31P).




5. Connect the A/F sensor (Sensor 1) 4P connector terminals No.2 and No.1 with a jumper wire.




6. Check for continuity between ECM connector terminals A6 and A16.

Is there continuity?

YES - Replace the A/F sensor (Sensor 1).

NO - Repair open in the wire between the A/F sensor (Sensor 1) and the ECM (A6 or A16).