Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / How to troubleshoot ecu controlled systems

Toyota Corolla (E120): How to troubleshoot ecu controlled systems

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Circuit description
Refer to dtc p0130 Hint: the ecm provides a pulse width modulated control circuit to adjust current through the heater. The heated oxygen sensor heater circuit uses a relay on the b+ side of the circuit. Monitor description The ecm uses the heated oxygen sensor information to regulate t ...

If the engine will not start
If the engine will not start even though correct starting procedures are being followed , consider each of the following points: The engine will not start even though the starter motor operates normally. One of the following may be the cause of the problem: ● There may not be sufficient f ...

Disposal
Hint: when scrapping vehicles epuipped with a seat belt pretensioner or disposing of a front seat outer belt (with seat belt pretensioner) always first active the seat belt pretensioner in accordance with the procedure described below. If any abnormality occurs in the seat belt pretensioner o ...