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Home >> Nissan-Datsun >> 2009 >> Sentra SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction (MR20DE-CALIFORNIA) >> Service Information >> Basic Service Procedure >> Idle Speed and Ignition Timing Check >> Ignition Timing >> Method B
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Method B

  1. Remove No. 4 ignition coil (1).
    • <=: Vehicle front
      Fig 1: Identifying No. 4 Ignition Coil
      G04925138Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Connect No. 4 ignition coil (1) and No. 4 spark plug with suitable high-tension wire (A) as shown, and attach timing light clamp (B) to this wire.
    • <=: Vehicle front
      Fig 2: Connecting No. 4 Ignition Coil And No. 4 Spark Plug With Suitable High-Tension Wire
      G04925139Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 3: [Identifying Suitable High-Tension Wire]
      G04925140Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Check ignition timing.
    • Timing indicator (1)
      Fig 4: Checking Ignition Timing With Timing Light
      G04925134Courtesy of NISSAN MOTOR CO., U.S.A.