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 P0130, P0150 Troubleshooting Table

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

• Bank 1 refers to the bank that includes the cylinder No. 1.
• Bank 2 refers to the bank that excludes the cylinder No. 1.
• Sensor 1 refers to the sensor closer to the engine body.
• The heated oxygen sensor's output voltage and the short-term fuel trim value can be read using the OBD II scan tool or the hand-held tester.