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 > Touch Select 2-4 And High-low System: Fail-safe Chart
FAIL-SAFE CHART TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM DTC NO. Fail-safe Operation Fail-safe Deactivation Condition U0100 Prohibits switching to 4L or switching from 4L for all shift positions CAN communication signal from ECM is received U0122 Prohibits all switching except from 4H to 2WD CAN communi ...