Dtc P0657 Actuator Supply Voltage Circuit / Open

Engine Hybrid System. Land Cruiser. Urj200, 202 Grj200 Vdj200
1Gr-Fe Engine Control. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK WHETHER DTC OUTPUT RECURS (DTC P0657)

DTC P0657 Actuator Supply Voltage Circuit / Open


DESCRIPTION

The ECM monitors the voltage output to the throttle actuator. This self-check ensures that the ECM is functioning properly. The output voltage is usually 0 V when the ignition switch is turned off. If the output voltage is 7 V or higher when the ignition switch is turned off, the ECM will illuminate the MIL and store this DTC when the ignition switch is turned to ON.

DTC No.
DTC Detection Condition
Trouble Area
P0657
There is a throttle actuator power supply error (1 trip detection logic).
ECM

INSPECTION PROCEDURE

1.CHECK WHETHER DTC OUTPUT RECURS (DTC P0657)
  1. Connect the GTS to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the GTS on.

  1. Clear the DTCs (Click here).

  1. Turn the ignition switch off.

  1. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.

  1. Connect the cable to the negative (-) battery terminal.

  1. Turn the ignition switch to ON for 10 seconds.

  1. Turn the ignition switch off.

  1. Turn the ignition switch to ON.

  1. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.

  1. Read the DTCs.

    Result
    Result
    Proceed to
    P0657 is output
    A
    No DTC is output
    B



B
CHECK FOR INTERMITTENT PROBLEMS (Click here)
A

REPLACE ECM (Click here)