LEMON Manuals: Even more car manuals for everyone
Home >> Mitsubishi >> 1994 >> Montero LS, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Testing >> Code 25 >> Free Wheel Engage Switch Circuit

Free Wheel Engage Switch Circuit

  1. Start engine. Ensure center differential indicator light operates correctly when transfer shift lever is moved to desired 4WD positions. If indicator light operates correctly, go to step 3). If indicator light does not operate correctly, go to next step.
  2. Turn engine off. Check wiring harness between 4WD indicator control unit, located behind radio, and free wheel engage switch, located on right side of front differential housing near carrier assembly. If circuit is okay, replace 4WD indicator control unit.
  3. Disconnect ECU connector. Turn ignition on. Using DVOM, check voltage between terminal No. 55 and vehicle ground. See Figure . In 2WD, battery voltage should exist. Battery voltage should not exist in 4WD. If voltage is as described, substitute ECU with known good unit and retest. See ELECTRONIC CONTROL UNIT (ECU)  . If voltage is not as described, repair harness between ECU and free wheel engage switch.
scientia non olet · About LEMON Manuals