Toyota RAV4 manuals

Toyota Sienna Service Manual: Actuator Supply Voltage Circuit / Open

DTC P0657 Actuator Supply Voltage Circuit / Open

DESCRIPTION

The ECM monitors the output voltage 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 higher than 7 volts when the ignition switch is turned off, the ECM will illuminate the MIL and set a DTC when the ignition switch is turned on.

DESCRIPTION

MONITOR STRATEGY

MONITOR STRATEGY

TYPICAL ENABLING CONDITIONS

TYPICAL ENABLING CONDITIONS

TYPICAL MALFUNCTION THRESHOLDS

TYPICAL MALFUNCTION THRESHOLDS

INSPECTION PROCEDURE

1 CHECK WHETHER DTC OUTPUT RECURS (IN ADDITION TO DTC P0657)

  1. Connect the intelligent tester to the DLC3.
  2.  Turn the ignition switch to the ON position.
  3.  Turn the tester on.
  4.  Clear the DTC.
  5.  Turn the ignition switch off.
  6.  Disconnect the battery negative terminal and wait for 1 minute.
  7.  Connect the battery negative terminal.
  8. Turn the ignition switch to the ON position for 10 seconds.
  9.  Turn the ignition switch off.
  10.  Turn the ignition switch to the ON position.
  11.  Enter the following menus: DIAGNOSIS / ENHANCED II / DTC INFO / CURRENT CODES.
  12.  Read the DTCs.

Result

Result

REPLACE ECM

VIN not Programmed or Mismatch - ECM / PCM
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Transmission Range Sensor Circuit Malfunction (PRNDL Input)
DTC P0705 Transmission Range Sensor Circuit Malfunction (PRNDL Input) DESCRIPTION The park/neutral position switch detects the shift lever position and sends signals to the ECM. HINT: After ...

Other materials:

Disassembly
1. REMOVE FUEL TANK TO FILLER PIPE HOSE (See page FU-43) 2. REMOVE FUEL TANK MAIN TUBE SUB-ASSEMBLY (a) Remove the tube joint clip, and pull out the fuel main tube. NOTICE: Check if there is any dirt or mud around the connector before this operation and remove the dirt as ...

Removal
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No Communication in Immobiliser System
DTC B2796 No Communication in Immobiliser System DTC B2798 Communication Malfunction No. 2 DESCRIPTION These codes are stored in the memory when a key that does not have a transponder chip is inserted or if communication between the key and transponder key ECU is impossible. DTC No ...

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