Circuit Description

Refer to DTC P0130: OXYGEN SENSOR CIRCUIT (BANK 1 SENSOR 1); DTC P0150: OXYGEN SENSOR CIRCUIT (BANK 2 SENSOR 1); DTC P2195: OXYGEN SENSOR SIGNAL STUCK LEAN (BANK 1 SENSOR 1); DTC P2196: OXYGEN SENSOR SIGNAL STUCK RICH (BANK 1 SENSOR 1); DTC P2197: OXYGEN SENSOR SIGNAL STUCK LEAN (BANK 2 SENSOR 1); DTC P2198: OXYGEN SENSOR SIGNAL STUCK RICH (BANK 2 SENSOR 1) .

Fig 1: DTC P0134, DTC P0154 Detecting Condition Table

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

• Bank 1 refers to bank that includes cylinder No. 1.
• Bank 2 refers to bank that dose not includes cylinder No. 1.
• Sensor 1 refers to the sensor farthest away from the engine body.
• After confirming DTCs P0134 and P0154, use the hand-held tester or the OBD II scan tool to monitor the output voltage of the heated oxygen sensor (bank 1, 2 sensor 1) from the DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL. If the output voltage of the heated oxygen sensor is less than 0.1 V, the heated oxygen sensor circuit may be open or short.