REMOVAL PROCEDURE 1. PRECAUTION NOTICE: After turning the ignition switch off, waiting time may be required before disconnecting
the cable from the battery terminal. Therefore, make sure to read the disconnecting
the cable from the battery terminal notice before proceeding with work (See page
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page 3. REMOVE SPIRAL CABLE SUB-ASSEMBLY (See page 4. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY
5. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY (a) Disconnect the connector. (b) While loosening the band clamp as shown in the illustration, detach the claw.  Text in Illustration
(c) Remove the headlight dimmer switch assembly. NOTICE: If the claw is pressed forcefully, it will break.  Text in Illustration
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Toyota Tundra Service Manual > Air Conditioning System(for Automatic Air Conditioning System): Blower Motor Circuit
DESCRIPTION The blower motor is operated by signals from the air conditioning amplifier. Blower motor speed signals are transmitted by changes in the duty ratio. Duty Ratio: The duty ratio is the ratio of the blower motor OFF time (B) to the total of the blower motor ON and OFF time (A + B). The blo ...
