LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2004 >> Quest SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> Electrical Load Signal >> Diagnostic Procedure
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Diagnostic Procedure

  1. CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-I 
    1. Turn ignition switch ON.
    2. Connect CONSULT-II and select "DATA MONITOR" mode.
    3. Select "LOAD SIGNAL" and check indication under the following conditions.
      Fig 1: Displaying DATA MONITOR Screen
      G00776085Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: Checking Load Conditions
      G00776084Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 2.
    2. NG: GO TO  3 .
  2. CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-II 

    Check "LOAD SIGNAL" indication under the following conditions.

    Fig 3: Displaying Data Monitor Screen
    G00776087Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 4: Load Signal Condition
    G00776086Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: INSPECTION END
    2. NG: GO TO  4 .
  3. CHECK REAR WINDOW DEFOGGER SYSTEM 

    Refer to REAR WINDOW DEFOGGER .

    1. INSPECTION END 
  4. CHECK HEADLAMP SYSTEM 

    Refer to HEADLAMP (FOR USA) , or HEADLAMP (FOR CANADA) -DAYTIME LIGHT SYSTEM - .

    1. INSPECTION END