DTC
P0135/21 Oxygen (A/F) Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT HEATED OXYGEN SENSOR
CHECK WIRE HARNESS (+B VOLTAGE)
INSPECT INTEGRATION RELAY (MAIN RELAY)
CHECK WIRE HARNESS (HEATED OXYGEN SENSOR - ECM, MAIN RELAY)
CHECK IF DTC OUTPUT RECURS