REMOVAL PROCEDURE 1. REMOVE INSTRUMENT SIDE PANEL LH 2. REMOVE FRONT DOOR SCUFF PLATE LH 3. REMOVE COWL SIDE TRIM BOARD LH 4. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LH 5. REMOVE NO. 2 SWITCH HOLE BASE 6. REMOVE BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY
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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 ...
