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Home >> Infiniti >> 2005 >> Q45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> Basic Service Procedure >> Idle Speed and Ignition Timing Check >> Idle Speed >> Ignition Timing >> Method B
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Method B

  1. Remove ignition coil No. 1.
    Fig 1: Removing Ignition Coil No. 1
    G02369281Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Connect ignition coil No. 1 and spark plug No. 1 with suitable high-tension wire as shown, and attach timing light clamp to this wire.
    Fig 2: Connecting Ignition Coil No. 1
    G02369282Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 3: Identifying Suitable High-Tension Wire
    G02369283Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Check ignition timing.
    Fig 4: Checking Ignition Timing
    G02369284Courtesy of NISSAN MOTOR CO., U.S.A.