Diagnostic Procedure

With CONSULT-II 

Check ("IGN ACC SW") in DATA MONITOR mode with CONSULT-II.

When ignition switch is turned to ACC ACC ON SW: ON 

Fig 1: Display DATA MONITOR Mode

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

Without CONSULT-II 

Check voltage between Intelligent Key unit connector and ground.

Fig 2: Checking Voltage Between Intelligent Key Unit Connector And Ground

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OK or NG 

OK: ACC power circuit is OK. Check the self-diagnosis results using CONSULT-II again.

NG: GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and power distribution unit connector.
3. Check continuity between Intelligent Key unit connector and power distribution unit connector.
   CONTINUITY CONDITIONS
   
   

   A		B		Continuity
   Intelligent Key unit connector	Terminal	Power distribution unit connector	Terminal
   M33	42	M30	1	Yes

4. Check continuity between Intelligent Key unit connector and ground.
   CONTINUITY CONDITIONS
   
   

   A		Ground	Continuity
   Intelligent Key unit connector	Terminal
   M33	42		No

Fig 3: Checking Communication Circuit

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OK or NG 

OK: GO TO 3.

NG: Repair or replace harness.

1. Connect Intelligent Key unit and power distribution unit connector.
2. Check voltage between Intelligent Key unit connector and ground.
   VOLTAGE SPECIFICATIONS
   
   

   Terminals			Ignition switch condition	Voltage (V) (Approx.)
   (+)		(-)
   Intelligent Key unit connector	Terminal
   M32	30	Ground	ACC	Battery voltage
   			OFF	0

Fig 4: Checking Voltage Between Intelligent Key Unit Connector And Ground

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

OK or NG 

OK: Check the condition of harness and conenctor. If it is OK, check the self-diagnosis results using CONSULT-II again.

NG: Check the following.

• 10A fuse [No.6, located in the fuse block (J/B)]
• Harness for open or short between fuse and Intelligent Key unit.