Idle Up Control Valve: Testing and Inspection
INSPECTION PROCEDURE1. REMOVE AIR CONDITIONING IDLE-UP VALVE.
- Disconnect the following connector and hoses:
1. Air Conditioning Idle-Up Valve connector.
2. Air hose from air intake chamber.
3. Air hose from air tube.
- Remove the 2 bolts and Air Conditioning Idle-Up Valve together with the 2 air hoses.
- Disconnect the 2 air hoses from the Air Conditioning Idle-Up Valve.
2. INSPECT AIR CONDITIONING IDLE-UP VALVE FOR OPEN CIRCUIT.
- Using an ohmmeter, check that there is continuity between the terminals.
Resistance (Cold): 30 - 34 Ohms
If there is no continuity, replace the Air Conditioning Idle-Up Valve.
3. INSPECT AIR CONDITIONING IDLE-UP VALVE FOR GROUND.
- Using an ohmmeter, check that there is NO continuity between each terminal and the body.
- If there IS continuity, replace the Air Conditioning Idle-Up Valve.
4. INSPECT AIR CONDITIONING IDLE-UP VALVE OPERATION.
- Check that air does NOT flow from port E to port F.
- Apply battery voltage across the terminals.
- Check that air DOES flow from port E to port F.
- If operation is not as specified, replace the Air Conditioning Idle-Up Valve.
5. REINSTALL AIR CONDITIONING IDLE-UP VALVE.