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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1236 (Auto Cruise Control System) >> Auto Cruise Control System - ICC >> Trouble Diagnosis - General Description >> Self-Diagnostic Function >> Without Consult-II >> Notes

Without Consult-II: Notes

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. Go to operation check after asking the customer for symptom information. Refer to "ACTION TEST ".
  2. Stop the vehicle to start the self-diagnosis.
  3. Turn ignition switch OFF.
  4. Turn ignition switch ON, and wait 5 seconds. Press ACCEL/RES switch 5 times, and then press COAST/SET switch 5 times all within 5 seconds to start self-diagnosis.
    CAUTION:
    • Do not start the engine.
    • Do not press the ICC ON/OFF switch ON.
    • When operation above is not completed within the 5 to 10 second window, DTC will not be displayed.
    • If self-diagnosis mode cannot be started after several attempts, the ICC unit may be malfunctioning and should be replaced. Refer to "SELF-DIAGNOSIS BY ICC SYSTEM DISPLAY WILL NOT RUN ".
  5. When self-diagnosis mode is started, DTCs are shown on set vehicle speed indicator.
    Fig 1: Identifying Switch Pressing Pattern Of ACCEL/RES Switch And COAST/SET Switch
    G02385977Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Displaying DTCs On Set Vehicle Speed Indicator
    G02385978Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION:
    • DTC will disappear after 5 minutes.
    • When multiple malfunctions are detected, a maximum of 3 code numbers can be stored; the latest malfunction will be displayed first.
  6. Check "DIAGNOSTIC TROUBLE CODE (DTC) CHART ", and repair or replace if necessary.
  7. After repair, erase DTC stored in the ICC unit. Refer to "SELF-DIAGNOSTIC ERASING METHOD ".
  8. DTC 55 will be shown.
  9. Turn ignition switch OFF to exit the diagnosis.
  10. Perform ICC system running test (drive vehicle with ICC system ON), and make sure that ICC warning lamp does not illuminate.