P1167

DTC P1167: A/F Sensor (Sensor 1) Heater System Malfunction-'02-03 M/T models and CVT model

NOTE: If DTC P1157, P1158, P1159 and/or P1162 are stored the same time as DTC P1167, troubleshoot P1157, P1158, P1159 and/or P1162 first, then troubleshoot DTC P1167.

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 wires at C102 (located under the right side of the dash), the A/F Sensor relay, the A/F Sensor (Sensor 1) and the ECM.

3. Disconnect the A/F Sensor 4P connector, and ECM connector D (16P).




4. Connect ECM connector terminals D4 and D10 to body ground with a jumper wire.




5. Check for continuity between the A/F Sensor (Sensor 1) 4P connector terminal No.1 and No.2 to body ground individually.

Is there continuity?

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

NO - Repair open or short in the wire between the A/F Sensor (Sensor 1) and ECM (D4 or D11).