INSPECTION PROCEDURE 1. INSPECT THROTTLE BODY ASSEMBLY (a) Check the throttle valve. (1) Check that the throttle valve opens and closes smoothly. (2) Check that there is no sludge accumulating around the throttle body.
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Toyota Tundra Service Manual > Can Communication System: Open in One Side of Bus 4 Branch Line
DESCRIPTION When the CAN bus main lines are normal (no open, short to ground, short to +B or short between lines) and there is an ECU or sensor on the "Communication Bus Check" screen that is indicated as not communicating or whose connection status on the "Communication Bus Check" screen changes in ...
