General Information

Component Location





General Description

The ECM provides a 5 volt reference voltage to Throttle Position Sensor 1 (TPS1). The ECM monitors reference voltage deviation from the power supply circuit of the sensors.

DTC Description

Checking the voltage from sensor power supply every 1.87 sec. under detecting condition, if the value within detecting condition lasts for more than 0.2 sec., ECM sets P0641. MIL (Malfunction Indication Lamp) turns on when the malfunction lasts till consecutive 2 driving cycle.

DTC Detecting Condition





Diagnostic Circuit Diagram