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Home >> Nissan-Datsun >> 2010 >> Sentra Base, Automatic CVT >> 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
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Ignition Timing

Any of following two methods may be used.

Method A

  1. Attach timing light to loop wire (1) as shown in illustration.
    • <= : Vehicle front
      Fig 1: Identifying Timing Light To Loop Wire
      G04925136Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Check ignition timing.
    • Timing indicator (1)
      Fig 2: Identifying Timing Indicator
      G04925134Courtesy of NISSAN MOTOR CO., U.S.A.

Method B

  1. Remove No. 4 ignition coil (1).
    • <= : Vehicle front
      Fig 3: 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 in illustration, and attach timing light clamp (B) to this wire.
    • <= : Vehicle front
      Fig 4: Identifying No. 4 Ignition Coil And Timing Light Clamp
      G04925139Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 5: Identifying Suitable High-Tension Wire And Electrode
      G04925140Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Check ignition timing.
    • Timing indicator (1)
      Fig 6: Identifying Timing Indicator
      G04925134Courtesy of NISSAN MOTOR CO., U.S.A.