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Home >> Honda >> 2000 >> Prelude Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Engine Controls - System & Component Testing) >> Emission Systems & Sub-Systems >> A/C Clutch Control >> A/C ON Switch/System Test
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A/C ON Switch/System Test

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2000 Isuzu VehiCROSS, 2000 Isuzu Trooper, 2000 Isuzu Rodeo, 2000 Isuzu Hombre, and 2000 Isuzu Amigo. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch to RUN position. Move mode selector switch to any position other than OFF position. With A/C control assembly connected, measure voltage between mode selector switch and ground. For wiring schematics, see appropriate wiring diagram in WIRING DIAGRAMS article.
  2. Battery voltage should be present. If battery voltage is present, mode selector switch is operating normally. If battery voltage is not present, check wire from mode selector switch to fuse for an open circuit. Also check A/C high and low pressure switches for an open.
  3. Check voltage between mode selector switch wire and ground. Voltage should not be present. If voltage is present, replace mode selector switch.
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