Circuit Description

Refer to DTC P0130 .

Fig 1: DTC P0134, P0154: Detection Condition & Trouble Area Table

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

• Bank 1 refers to bank that includes cylinder No. 1.
• Bank 2 refers to bank that does not include cylinder No. 1. Sensor 1 refers to the sensor closer to the engine assembly.
• After confirming DTC P0134 and P0154, check the output voltage of the heated oxygen sensor in the "DIAGNOSIS / ENHANCE OBDII / DATA LIST / ALL" using the OBD II scan tool or the hand-held tester. If output voltage of the heated oxygen sensor is always less than 0.1 V, heated oxygen sensor circuit may be open or short.