Circuit Description

Refer to DTC P0031 in DTC P0031 OXYGEN SENSOR HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 1), DTC P0032 OXYGEN SENSOR HEATER CONTROL CIRCUIT HIGH (BANK 1 SENSOR 1), DTC P0037 OXYGEN SENSOR HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 2), DTC P0038 OXYGEN SENSOR HEATER CONTROL CIRCUIT HIGH (BANK 1 SENSOR 2), DTC P0051 OXYGEN SENSOR HEATER CONTROL CIRCUIT LOW (BANK 2 SENSOR 1), DTC P0052 OXYGEN SENSOR HEATER CONTROL CIRCUIT HIGH (BANK 2 SENSOR 1) .

Fig 1: DTC Troubleshooting Table

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HINT:

After confirming DTC P0134 and P0154, confirm the output voltage of the heated oxygen sensor with the hand-held tester or the OBD II scan tool. Enter the following manus: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL.