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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> Basic Service Procedure >> Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment >> Inspection Procedure >> 10. Check Ignition Timing
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10. Check Ignition Timing

  1. Run engine at idle.
  2. Check ignition timing with a timing light.
    1. 12 +/- 5° BTDC (in P or N position) 

OK or NG 

OK (With CONSULT-II): GO TO 19. CHECK HEATED OXYGEN SENSOR 1 (BANK 1) SIGNAL .

OK (Without CONSULT-II): GO TO 20. CHECK HEATED OXYGEN SENSOR 1 (BANK 1) SIGNAL .

NG : GO TO 11.

Fig 1: View Of Timing Indicator
G00744976Courtesy of NISSAN MOTOR CO., U.S.A.