General Information

Engine Control

P0652 Sensor Reference Voltage 'B' Circuit Low - General Information

Component Location





General Description

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

DTC Description

ECM sets P0652 when detects a reference voltage is out of normal range.

DTC Detecting Condition





Diagnostic Circuit Diagram