General Information

Engine Control
P0642 Sensor Reference Voltage \'A\' Circuit Low - General Information

Component Location





General Description

The PCM provides a 5volt reference voltage to the Acceleration Position Sensor1(APS2). The PCM monitors reference voltage deviation from the power supply circuit of the APS2.

DTC Description

PCM sets DTC P0642 if the PCM detects reference voltage lower than threshold value.

DTC Detecting Condition





Diagnostic Circuit Diagram