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Home >> Acura >> 1999 >> 3.0CL >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.0L V6 >> Engine Mount Control System >> System Tests >> Control Solenoid Circuit Check

Control Solenoid Circuit Check

  1. Shift transmission to Park or Neutral. With engine idling, disconnect engine mount control solenoid harness connector.
  2. Check voltage between chassis ground and engine mount control solenoid harness connector Black/Yellow wire terminal. Battery voltage should be present. If battery voltage is present, go to next step. If battery voltage is not present, check for open circuit between solenoid harness connector Black/Yellow terminal and PCM fuse.
  3. Check voltage between engine mount solenoid harness connector Black/Yellow wire and Green/White wire terminals. Battery voltage should be present. If battery voltage is present, go to next step. If battery voltage is not present, check for open circuit between solenoid harness connector Green/White wire terminal and PCM. If circuit is okay, substitute with a known-good PCM and retest.
  4. Increase engine to speed to greater than 1000 RPM. Check voltage between solenoid harness connector Black/Yellow wire and Green/White wire terminals. Battery voltage should not be present. If battery voltage is not present, check engine mount vacuum supply. See ENGINE MOUNT CHECK.  If battery voltage is present, go to next step.
  5. Check for short to ground in Green/White wire between PCM and engine mount control solenoid harness connector. Repair as necessary. If circuit is okay, substitute a known-good PCM and retest.
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