Idle Up Control Valve: Testing and Inspection

A/C IDLE-UP VALVE INSPECTION
1. REMOVE A/C IDLE-UP VALVE.



- Disconnect the idle-up valve connecter.
- Disconnect the 2 air hoses.
- Remove the 2 bolts and idle-up valve.

2. INSPECT A/C IDLE-UP VALVE.

INSPECT IDLE-UP VALVE FOR OPEN CIRCUIT.



- Using an ohmmeter, check that there is continuity between the terminals.

Resistance: At 20°C (68°F): 30 - 33 Ohms

- If there is no continuity, replace the idle-up valve.

INSPECT A/C 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 idle-up valve.

INSPECT A/C IDLE-UP VALVE OPERATION.



- Check that air does not flow from port E to port F.




- Apply battery positive voltage across the terminals.
- Check that air flows from port E to port F.

- If operation is not as specified, replace the idle-up valve.

3. REINSTALL A/C IDLE-UP VALVE.
- Install the idle-up valve with the 2 bolts.
- Connect the 2 air hoses.
- Connect the idle-valve connector.