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Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis >> External Pages >> Different car >> Section 201 (Engine Control System) >> Basic Service Procedure >> Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment >> Inspection Procedure >> 10. Check Ignition Timing

10. Check Ignition Timing

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
  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.