Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Manual Air Conditioner




REFRIGERANT PRESSURE SENSOR INSPECTION [MANUAL AIR CONDITIONER]

1. Install the manifold gauge.

2. Verify the high-pressure side reading of the manifold gauge.

3. Measure the terminal voltage of the climate control unit.

- E, K and N

4. Verify that below graph as measure the terminal voltage N.

5. Follow the climate control unit inspection when measure the other terminal voltage. Airflow Volume Control Dial Inspection - Manual Air Conditioner

- Terminal K: 1.0 V or less
- Terminal E: Approx. 5 V (Ignition switch on)

- If the each voltage is not normal, inspect the related wiring harness.

- If there is any malfunction, replace the related wiring harness.
- If wiring harness is normal, replace the refrigerant pressure sensor.