P1167

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

1. Reset the ECM with the HDS.
2. Start the engine. Wait for at least 80 seconds.
3. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P01167 indicated?

YES - Go to step 4.

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.

4. Turn the ignition switch OFF.
5. Wait for 1 minute. If the radiator fan is running, wait for 1 minute after the radiator fan stops.
6. Disconnect the A/F sensor 4P connector and ECM connector A (31P).




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




8. 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).