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Home >> Isuzu >> 2002 >> Trooper LS, RWD >> Repair and Diagnosis >> Steering >> Steering Column >> Power-Assisted Steering System >> Combination Switch >> Removal
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Combination Switch: Removal

  1. Turn the steering wheel so that the vehicle's wheels are pointing straight ahead.
  2. Turn the ignition switch to "LOCK".
  3. Disconnect the battery "-" (negative) terminal cable, and wait at least 5 minutes.
  4. Disconnect the yellow 2-way SRS connector located under the steering column.
    CAUTION: The wheels of the vehicle must be straight ahead and the steering column in the "LOCK" position before disconnecting the steering wheel. Failure to do so will cause the coil assembly to become uncentered which will cause damage to the coil assembly.
  5. Remove the transmission (for M/T) and transfer control lever knob. Disconnect the wiring harness connectors then remove front console assembly.
  6. Remove lower cluster assembly.
  7. Remove the engine hood opening lever, then remove steering lower cover.
  8. Loosen the inflator module fixing bolt from behind the steering wheel assembly using a Torx® driver or equivalent until the inflator module can be released from steering assembly. Disconnect the yellow 2-way SRS connector located behind the inflator module, then remove inflator module.
    Fig 1: Loosening The Inflator Module Fixing Bolt
    G02800112Courtesy of ISUZU MOTOR CO.
    Fig 2: Removing Inflator Module
    G02800113Courtesy of ISUZU MOTOR CO.
    WARNING: The INFLATOR MODULE SHOULD ALWAYS BE CARRIED WITH THE URETHANE COVER AWAY FROM YOUR BODY AND SHOULD ALWAYS BE LAID ON A FLAT SURFACE WITH THE URETHANE SIDE UP. THIS IS NECESSARY BECAUSE A FREE SPACE IS PROVIDED TO ALLOW THE AIR CUSHION TO EXPAND IN THE UNLIKELY EVENT OF ACCIDENTAL DEPLOYMENT. OTHERWISE, PERSONAL INJURY MAY RESULT.
    Fig 3: Laying Steering Cover With Urethane Side Up
    G02800114Courtesy of ISUZU MOTOR CO.
  9. Apply a setting mark (1) across the steering wheel and shaft so parts can be reassembled in their original position. Move the front wheels to the straight ahead position, then use steering wheel remover J-29752 to remove the steering wheel.
    Fig 4: Applying Setting Mark
    G02800115Courtesy of ISUZU MOTOR CO.
    CAUTION: Never apply force to the steering wheel in direction of the shaft by using a hammer or other impact tools in an attempt to remove the steering wheel. The steering shaft is designed as an energy absorbing unit.
    Fig 5: Removing Steering Wheel
    G02800116Courtesy of ISUZU MOTOR CO.
  10. Remove steering column cover.
  11. Disconnect the wiring harness connectors located under the steering column, then remove combination switch and SRS coil assembly.
NOTE: The SRS coil is a part of the combination switch assembly, which can not be replaced separately. Therefore, be sure not to remove the SRS coil from the combination switch assembly.
Fig 6: Removing Combination Switch Assembly
G02800117Courtesy of ISUZU MOTOR CO.
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