Engine Speed Signal Inspection

WARNING: This page is about a different car, the 2008 Nissan Maxima. 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 engine and select "METER A/C AMP" on CONSULT-III.
  
  Fig 1: CONSULT-III DATA MONITOR Screen
  Courtesy of NISSAN MOTOR CO., U.S.A.
2. Using "TACHO METER" on the data monitor, compare the value of data monitor with tachometer pointer of combination meter.
OK or NG

OK: GO TO 2.

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

OK: Perform ECM self-diagnosis. Refer to "SELF-DIAG RESULTS MODE ".

NG: Replace the unified meter and A/C amp. Refer to "UNIFIED METER AND A/C AMP. ".