P0135

Detection Condition:

Troubleshooting Hint:
HO2S heater description
- The main relay circuit supplies battery voltage to the HO2S heater, and the PCM completes the ground when the proper conditions occur.
- The use of HO2S heater requires that the heater control be duty cycled, to prevent damage to the heater.

Diagnostic Procedure (Step 1):

Diagnostic Procedure (Step 2 - 10):