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INSPECTION PROCEDURE 1. READ DTC OUTPUT a. Connect the Techstream to the DLC3. b. Turn the ignition switch ON and turn the Techstream ON. c. Enter the following menus: Powertrain/Engine and ECT/Trouble Codes. d. Read DTCs. Result RESULT CHART If any DTCs other than P0630 are output, troubleshoot those DTCs first. B : GO TO DTC CHART (See DIAGNOSTIC TROUBLE CODE CHART ) A : Go to next step. 2. INPUT VIN a. Input VIN (See REGISTRATION ). NEXT : END 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 DTC TROUBLE DETECTION CONDITION CHART MONITOR STRATEGY Display (DTC Output) Proceed To P0630 A P0630 and other DTCs B NOTE: If P0630 is set, the VIN must be input to the ECM using the DTC No. DTC Detection Condition Trouble Area P0657 Throttle actuator power supply error ECM
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
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