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Home >> Toyota >> 1995 >> Tercel Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Testing >> Code P0135 - Heated Oxygen Sensor (Front Sensor) Circuit >> Condition
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Code P0135 - Heated Oxygen Sensor (Front Sensor) Circuit: Condition

Code is set when either of the following conditions is present:

Sensor heater current draw exceeds 2 amps, or voltage drop of circuit exceeds 5 volt.

Sensor heater current draw is .25 amps or less.