OPERATION CHECK 1. CHECK WINDSHIELD DEICER OPERATION (a) Turn the ignition switch ON. (b) Check that pressing the air conditioning control assembly (windshield deicer switch) illuminates the indicator and warms the front windshield surface. (c) Check that after approximately 15 minutes, the indicator light turns off and the windshield deicer deactivates. |
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 ...
