Diagnostic Procedure

1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body.

   Refer to "GROUND INSPECTION ".

   Fig 1: Checking Ground Connections

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

1. OK: GO TO 2.
2. NG: Repair or replace ground connections.

With CONSULT-II 

1. Turn ignition switch ON.
2. Select "MAIN SW", "CANCEL SW", "RESUME/ACC SW", "SET SW" and "DIST SW" in "DATA MONITOR" mode with CONSULT-II.
3. Check each item indication under the following conditions.
   Fig 2: ICC Steering Switch Circuit Items Condition And Indication

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 3: CONSULT-II Display - "MAIN SW", "CANCEL SW", "RESUME/ACC SW", "SET SW" and "DIST SW" in "DATA MONITOR" mode

   Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II 

1. Turn ignition switch ON.
2. Check voltage between ECM terminal 99 and ground with pressing each button.
   Fig 4: ICC Steering Switch Circuit Items Condition And Indication

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 5: Checking Voltage Between ECM Terminal 99 And Ground

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

1. OK: GO TO  5.
2. NG: GO TO 3.

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect combination switch harness connector.
4. Check harness continuity between combination switch terminal 15 and ECM terminal 67. Refer to WIRING DIAGRAM .
   1. Continuity should exist. 
5. Also check harness for short to ground and short to power.

OK or NG 

1. OK: GO TO 5.
2. NG: GO TO 4.

Check the following.

• Harness connectors M31, E152
• Harness connectors E19, F33
• Combination switch (spiral cable)
• Harness for open and short between ECM and combination switch
  1. Repair open circuit or short to ground or short to power in harness or connectors.

1. Check harness continuity between ECM terminal 99 and combination switch terminal 14. Refer to WIRING DIAGRAM .
   1. Continuity should exist. 
2. Also check harness for short to ground and short to power.

OK or NG 

1. OK: GO TO  4.
2. NG: GO TO 6.

Check the following.

• Harness connectors M31, E152
• Combination switch (spiral cable)
• Harness for open and short between ECM and combination switch
  1. Repair open circuit or short to ground or short to power in harness or connectors.
• CHECK ICC STEERING SWITCH 

  Refer to "COMPONENT INSPECTION ".

  OK or NG 

  1. OK: GO TO 8.
  2. NG: Replace ICC steering switch.
• CHECK INTERMITTENT INCIDENT 

  Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

  1. : INSPECTION END