General Information

Engine

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

Component Location





General Description

The ECM provides a 5 Volt reference voltage to the Acceleration Position Sensor 1 (APS 2). The ECM monitors reference voltage deviation from the power supply circuit of the APS 2.

DTC Description

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

DTC Detecting Condition





Diagnostic Circuit Diagram