Engine Speed Signal Inspection

WARNING: This page is about a different car, the 2003 Nissan Murano. 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-II.
2. Using TACHO METER on the data monitor, compare the value of data monitor with tachometer pointer of combination meter.
  
  Fig 1: CONSULT-II DATA MONITOR Screen
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK : GO TO 2.
2. NG : Replace the combination meter.
CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1. Select ENGINE on CONSULT-II.
2. Using ENG SPEED on the data monitor, print out the CONSULT-II screen when the engine is idling.
  
  Fig 2: CONSULT-II DATA MONITOR Screen
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Select METER A/C AMP on CONSULT-II.
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
1. OK : Perform ECM self-diagnosis. Refer to TROUBLE DIAGNOSIS .
2. NG : Replace the unified meter and A/C amp. Refer to REMOVAL AND INSTALLATION OF UNIFIED METER AND A/C AMP .