LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 1995 >> ES 300 >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Controls - System/Component Tests - 3.0L) >> Idle Control System >> A/C Idle-Up Valve

A/C Idle-Up Valve

WARNING: This page is about a different car, the 1995 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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 illustration in the THEORY/OPERATION - 3.0L article or wire color. See wiring diagram in the WIRING DIAGRAMS article.
    A/C IDLE-UP VALVE LOCATIONS

    Application Valve Location
    3.0L On Air Intake Chamber, Near Throttle Body & Contains 2-Pin Black Connector
  2. Using ohmmeter, check resistance between A/C idle-up valve electrical terminals. Replace A/C idle-up valve if resistance is within specification. See A/C IDLE-UP VALVE RESISTANCE SPECIFICATIONS  table.
    A/C IDLE-UP VALVE RESISTANCE SPECIFICATIONS

    Application Ohms @ 68°F (20°C)
    3.0L 30-33
  3. 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.
Fig 1: Testing Typical A/C Idle-Up Valve
G93H80124Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002