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A/C Idle-Up Valve
- Remove A/C idle-up valve. See A/C IDLE-UP VALVE LOCATIONS table.
NOTE:
The A/C idle-up valve may also be identified using appropriate illustration in THEORY/OPERATION
article or wire color. See appropriate wiring diagram in WIRING DIAGRAMS
article. A/C IDLE-UP VALVE LOCATIONS
| Application |
Location |
| Corolla |
Center Of Firewall |
- Using ohmmeter, check resistance between A/C idle-up valve electrical terminals. Replace A/C idle-up valve if resistance is not 30-34 ohms.
- Ensure no continuity exists between each electrical terminal and body of A/C idle-up valve. To check A/C idle-up valve operation, apply air pressure to designated area and checking air passage, and then applying battery voltage and ground and retesting. See Fig 1. Replace A/C idle-up valve if defective.
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