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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Qr25DE >> Basic Service Procedure >> Idle Speed and Ignition Timing Check >> Ignition Timing >> Method B
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Method B

  1. Remove No. 1 ignition coil.
    Fig 1: Removing No. 1 Ignition Coil
    G00776490Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Connect No. 1 ignition coil and No. 1 spark plug with suitable high-tension wire as shown, and attach timing light clamp to this wire.
    Fig 2: Connecting No. 1 Ignition Coil & No. 1 Spark Plug With High-Tension Wire
    G00776491Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 3: Identifying Suitable High-Tension Wire
    G00776492Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Check ignition timing.
    Fig 4: Identifying Timing Indicator
    G00776493Courtesy of NISSAN MOTOR CO., U.S.A.