Camry Wagon V6-3.0L (1MZ-FE) (1994)
Idle Up Control Valve: Component Tests and General Diagnostics
INSPECTION
1. Disconnect Negative (-) Terminal Cable From Battery
CAUTION: Work must be started after 90 seconds from the time the ignition switch is turned to the LOCK position and the negative (-) terminal
cable is disconnected from the battery.
2. Remove Air Conditioning Idle-Up Valve.
^
Disconnect the idle-up valve connector.
^
Disconnect the 2 air hoses.
^
Remove the 2 bolts and idle-up valve.
3. Inspect Idle-Up Valve for open circuit. Using an ohmmeter, check that there is continuity between the terminals.
Resistance; 30 - 33 Ohms at 20°C (68°F)
If there is no continuity. replace the Idle-Up Valve.
4. 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 Idle-Up Valve.