DTC P0132: Primary HO2S (Sensor 1) Circuit High Voltage
- Reset the ECM (see page 11-4).
- Start the engine. Hold the engine at 3,000 rpm (min-1) with no load (in Park or neutral) until the radiator fan comes on.
- Check the primary HO2S (Sensor 1) output voltage with the scan tool.
Does the voltage stay at 0.9 V or more?
YES - Go to step 4.
NO - Intermittent failure, system is OK at this time. Check for poor connections or loose wires at the primary HO2S (Sensor 1) and at the ECM. 
- Turn the ignition switch OFF.
- Disconnect the primary HO2S (Sensor 1) 4P connector.
- Connect the primary HO2S (Sensor 1) 4P connector terminals No. 1 and No. 2 with a jumper wire.
PRIMARY HO2S (SENSOR 1) 4P CONNECTOR
Wire side of female terminals
- Turn the ignition switch ON (II).
- Check the primary HO2S (Sensor 1) output voltage with the scan tool.
Is there 0.9 V or more?
YES - Go to step 9.
NO - Replace the primary HO2S (Sensor 1).
- Turn the ignition switch OFF.
- Connect ECM connector terminals A6 and E4 with a jumper wire.
ECM CONNECTORS
Wire side of female terminals
- Turn the ignition switch ON (II).
- Check the primary HO2S (Sensor 1) output voltage with the scan tool.
Is there 0.9 V or more?
YES - Substitute a known-good ECM and recheck (see page 11-5). If symptom/indication goes away, replace the original ECM.
NO - Repair open in the wire between the ECM (A6, E4) and the primary HO2S (Sensor 1).