Diagnosis Procedure

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

1. CHECK FUSES AND FUSIBLE LINK 

   Check that the following IPDM E/R fuses or fusible link are not blown.

   Terminal No.	Signal name	Fuses and fusible link No.
   1	Battery	A, D
   2	Battery	C
   12	Ignition switch ON or START	59

   Is the fuse blown? 

   YES: Replace the blown fuse or fusible link after repairing the affected circuit.

   NO: GO TO 2

2. CHECK BATTERY POWER SUPPLY CIRCUIT 
   1. Turn ignition switch OFF.
   2. Disconnect IPDM E/R.
   3. Check voltage between IPDM E/R harness connectors and ground.

      Terminals			Ignition switch position
      (+)		(-)	OFF	ON	START
      Connector	Terminal
      E118	1	Ground	Battery voltage	Battery voltage	Battery voltage
      	2		Battery voltage	Battery voltage	Battery voltage
      E119	12		0V	Battery voltage	Battery voltage

      Is the measurement value normal? 

      YES: GO TO 3

      NO: Repair or replace harness.

3. CHECK GROUND CIRCUIT 
   1. Turn ignition switch OFF.
   2. Check continuity between IPDM E/R harness connectors (A, B) and ground.

      IPDM E/R		Ground	Continuity
      Connector	Terminal
      E122 (A)	38		Yes
      E124 (B)	59

      Does continuity exist? 

      YES: Inspection End.

      NO: Repair or replace harness.

      Fig 1: Checking Continuity Between IPDM E/R Harness Connectors And Ground

      Courtesy of NISSAN NORTH AMERICA, INC.