P2232

DTC P2232: Heated Oxygen Sensor (HO2S) Signal Circuit Shorted to Heater Circuit (Sensor-2)

Wiring Diagram










DTC Detecting Condition and Trouble Area






DTC Confirmation Procedure

NOTE:

Check that the following conditions are satisfied when using this DTC Confirmation Procedure.

- Intake air temp.: -14 °C, 6.8 °F or higher
- Altitude (barometric pressure): 2020 m, 6650 ft or less (540 mmHg, 72 kPa or more)

1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Start engine and run it at idle speed for 10 minutes.
4) Check DTC and pending DTC.

Troubleshooting

1.
Was "Engine System Check" performed?
YES
Go to Step 2.
NO
Go to Engine System Check Engine System Check.

2. Check HO2S-2 circuit.

Turn OFF ignition switch.
Disconnect connectors from ECM.
Check continuity between "WHT" wire terminal and "PNK/BLU" wire terminal.

Is there continuity?
YES
"WHT" wire circuit shorted to HO2S-2 heater circuit.
NO
Substitute a known-good ECM.