P0657

DTC P0657 Actuator Supply Voltage Circuit / Open

DESCRIPTION

DTC Setting Condition:

Monitor Strategy:

Typical Enabling Conditions:

Typical Malfunction Thresholds:

The ECM monitors the output voltage to the throttle actuator. This self-check ensures that the ECM functioning properly. The output voltage is usually 0 V when the engine switch is turned Off. If the output voltage is higher than 7 volts when the engine switch is turned Off, the ECM will illuminate the MIL and set a DTC when the engine switch is turned On (IG).

Step 1:

INSPECTION PROCEDURE