Previa Van DX 4WD L4-2438cc 2.4L DOHC SC MFI (1997)
Air Conditioning Switch: Testing and Inspection
A/C Control Switch
Air Conditioning Control Assembly
BLOWER SPEED CONTROL SWITCH AND FRONT A/C SWITCH INSPECTION
1. INSPECT SWITCH CONTINUITY
if continuity is not as specified. replace the switch.
2. INSPECT FRONT A/C SWITCH CONTINUITY
if continuity is not as specified. replace the switch.
3. INSPECT A/C INDICATOR OPERATION
a. Connect the positive (+) lead from terminal 4 and negative (+) lead to terminal 2.
b. Push the A/C button and check that the A/C indicator lights up.
If operation is not as specified. replace the A/C switch.