NO.3 AIR INTAKE MODE DOES NOT CHANGE [MANUAL AIR CONDITIONER]


id0703c2802900

3
Air intake mode does not change.
DESCRIPTION
•  Air intake mode does not change when switching REC/FRESH mode.
POSSIBLE CAUSE
•  Air intake wire, clamp malfunction
•  Climate control unit air intake control lever malfunction
•  A/C unit air intake door malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY AIR INTAKE WIRE FROM A/C UNIT IS POSITIONED SECURELY AND CORRECTLY
•  Is the air intake wire securely installed in the correct position in relation to the A/C unit air intake links?
Yes
Go to the next step.
No
Adjust the air intake wire or install securely in the correct position, then go to Step 5.
2
INSPECT CLIMATE CONTROL UNIT
•  Remove the air intake wire from A/C unit.
•  Inspect climate control unit air intake control lever operation.
•  Does the air intake lever move smoothly?
Yes
Go to the next step.
No
Repair or replace the climate control unit, then go to Step 5.
3
INSPECT AIR INTAKE DUCT
•  Is there any foreign material or obstruction in the air intake door?
Yes
Remove obstruction, then go to Step 5.
No
Go to the next step.
4
INSPECT AIR INTAKE DOOR
•  Is the air intake door securely and properly installed?
Yes
Inspect the air intake door for cracks or damage, then go to the next step.
No
Install the air intake door securely in the proper position, then go to the next step.
5
CONFIRM THAT MALFUNCTION SYMPTOMS DO NOT RECUR AFTER REPAIR
•  Does the air intake mode change smoothly?
Yes
Troubleshooting completed. Explain repairs to customer.
No
Recheck malfunction symptoms, then repeat from Step 1 if the malfunction recurs.