Tundra 2WD V6-3.4L (5VZ-FE) (2004)
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Control Assembly: Testing and Inspection
Heater Control Assembly
On-Vehicle Inspection
HEATER CONTROL ASSEMBLY
ON-VEHICLE INSPECTION
INSPECT HEATER CONTROL DIAL AND LEVER OPERATION
Move the control dial and lever left to right and check for stiffness and binding through the full range of the levers.
If click sound can not be heard or recoil is felt, adjust the control cable or check control cable and heater control assembly.
Component Inspection
HEATER CONTROL ASSEMBLY
INSPECTION
1. INSPECT BLOWER SPEED CONTROL SWITCH CONTINUITY
If continuity is not as specified, replace the switch and check bulb.
2. INSPECT DEF. MODE SWITCH