Engine Speed Signal Inspection

WARNING: This page is about a different car, the 2003 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK UNIFIED METER AND A/C AMP. OUTPUT SIGNAL
1. Start an engine and select" "METER A/C AMP" on CONSULT-II.
2. Using "TACHO METER" on "DATA MONITOR", compare the value of "DATA MONITOR" with tachometer pointer of combination meter.
  
  Fig 1: Identifying CONSULT-II Display Screen - TACHO METER
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: GO TO 2.

NG: Replace combination meter.
CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1. Select "ENGINE" on CONSULT-II.
2. Using "ENG SPEED" on "DATA MONITOR", print out the CONSULT-II screen when the engine is idling.
3. Select "METER A/C AMP" on CONSULT-II.
4. Using "TACHO METER" on "DATA MONITOR", compare the value of "DATA MONITOR" of the idling speed with that of the "ENG SPEED".
  
  Fig 2: Identifying CONSULT-II Display - ENG SPEED
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: Perform ECM self-diagnosis. Refer to CONSULT-II FUNCTION .

NG: Replace unified meter and A/C amp. Refer to REMOVAL AND INSTALLATION OF UNIFIED METER AND A/C AMP. .