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2. CHECK COMMUNICATION BETWEEN TECHSTREAM AND ECM a. Connect the Techstream to the DLC3. b. Turn the ignition switch ON and Techstream ON. c. Check the communication between the Techstream and ECM. Result RESULT CHART A : GO TO MIL CIRCUIT B : Go to next step. 3. CHECK MIL (THROTTLE BODY) a. Disconnect the throttle body connector. b. Turn the ignition switch ON. c. Check the MIL. Result RESULT CHART d. Reconnect the throttle body connector. A : REPLACE THROTTLE BODY ASSEMBLY (See REMOVAL ) B : Go to next step. 4. CHECK MIL (ACCELERATOR PEDAL POSITION SENSOR) a. Disconnect the accelerator pedal position sensor connector. b. Turn the ignition switch ON. c. Check the MIL. Result RESULT CHART Result Proceed To Communication is possible A Communication is not possible B Result Proceed To MIL illuminates A MIL does not illuminate B Result Proceed To
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
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