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Home >> Nissan-Datsun >> 2012 >> Sentra Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction (MR20DE) (Except 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 the figure.
    Fig 1: Identifying Loop Wire
    G08186694Courtesy of NISSAN NORTH AMERICA, INC.
  2. Check ignition timing.
Fig 2: Checking Ignition Timing Using Timing Indicator
G08186695Courtesy of NISSAN NORTH AMERICA, INC.

Method B

  1. Remove No. 4 ignition coil (1).
    Fig 3: Identifying No. 4 Ignition Coil
    G08186696Courtesy of NISSAN NORTH AMERICA, INC.
  2. Connect No. 4 ignition coil (1) and No. 4 spark plug with suitable high-tension wire (A) as shown in the figure, and attach timing light clamp (B) to this wire.
    Fig 4: Identifying Ignition Coil, High-Tension Wire And Timing Light Clamp
    G08186697Courtesy of NISSAN NORTH AMERICA, INC.
    Fig 5: Connecting Ignition Coil And Spark Plug Using High-Tension Wire
    G08186698Courtesy of NISSAN NORTH AMERICA, INC.
  3. Check ignition timing.
Fig 6: Checking Ignition Timing Using Timing Indicator
G08186699Courtesy of NISSAN NORTH AMERICA, INC.