Inspection AND ADJUSTMENT
Operational Check
STEP 1: Check Blower
- Turn blower control dial clockwise, blower should operate on low speed.
- Continue turning blower control dial clockwise, and continue checking blower speeds until all speeds are checked.
- Leave blower on HI speed. If NG, go to See: Component Tests and General Diagnostics\Blower Motor\Diagnosis Procedure\Manual Air Conditioner.
If OK, continue with next check.
STEP 2: Check Discharge Air
- Press each mode switch and press DEF ( ) switch.
- Each mode position indicator should illuminate.
- Confirm that discharge air comes out according to the air distribution table. Refer to See: Description and Operation\Air Conditioner Control\Manual Air Conditioner\System Description.
NOTE:
Confirm that the compressor clutch is engaged (audio or visual Inspection) and intake door is in the FRE ( ) position when the DEF ( ) is selected.
Intake door position is checked in the next step.
If NG, go to See: Component Tests and General Diagnostics\Intake Door\Manual Air Conditioner.
If OK, continue with next check.
STEP 3: Check Recirculation
- Press REC ( ) switch. Recirculation indicator should illuminate.
- Press REC ( ) switch a second time.
- Listen for intake door position change (you should hear blower sound change slightly). If NG, go to See: Component Tests and General Diagnostics\Intake Door\Manual Air Conditioner.
If OK, continue with next check.
STEP 4: Check Temperature Decrease
- Turn the temperature dial counterclockwise to maximum cold.
- Check for cold air at discharge air outlets. If NG, go to See: Component Tests and General Diagnostics\Air Mix Door\Manual Air Conditioner.
If OK, continue with next check.
STEP 5: Check Temperature Increase
- Turn the temperature dial clockwise to maximum heat.
- Check for hot air at discharge air outlets. If NG, go to See: Component Tests and General Diagnostics\Air Mix Door\Manual Air Conditioner.
If OK, continue with next check.
STEP 6: Check Air Conditioner Switch (if equipped)
- Turn blower control dial to the desired position and push the A/C switch to turn ON the air conditioner
- Confirm that the A/C indicator illuminates and that the compressor clutch engages (audio or visual Inspection). If NG, go to See: Component Tests and General Diagnostics\Power Supply And Ground Circuit\Diagnosis Procedure\Manual Air Conditioner, then if necessary, See: Component Tests and General Diagnostics\Magnet Clutch\Diagnosis Procedure\Manual Air Conditioner.
If OK, listen to customer complaint (get detailed information about the conditions and environment when the symptom occurs). Verify the symptom and refer to See: Symptom Related Diagnostic Procedures\Manual Air Conditioner\Symptom Matrix Chart.
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