Tacoma PreRunner Dbl Cab 2WD V6-3.4L (5VZ-FE) (2001)
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Control Assembly: Testing and Inspection
Component Inspection
HEATER CONTROL ASSEMBLY
INSPECTION
1. INSPECT ILLUMINATION OPERATION
Connect the positive (+) lead from the battery to terminal 15 and negative (-) lead to terminal 16 then check that the illuminations lights up.
If operation is not as specified, check the faulty bulb.
2. INSPECT BULB
Apply the tester as shown in the illustration to the test for continuity.
If continuity exists, replace the heater control.
If no continuity exists, replace the bulb.
3. INSPECT RECIRC INDICATOR OPERATION
a. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 7, 25.
b. Push the REC button in and then check that the indicator lights up.
If operation is not as specified, replace the switch circuit board.
