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Home >> Toyota >> 2005 >> Avalon XLS >> Repair and Diagnosis >> Engine Performance >> Engine Control System (SFI) >> DTC P0617: Starter Relay Circuit High >> Monitor Description

Monitor Description

While the engine is being cranked, the positive battery voltage is applied to terminal STA of the ECM. If the ECM detects the Starter Control (STA) signal while the vehicle is being driven, it determines that there is a malfunction in the STA circuit. The ECM then illuminates the MIL and sets the DTC.

This monitor runs when the vehicle is driven at 12.4 mph (20 km/h) for over 20 seconds.

Fig 1: DTC Detection Condition
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