Diagnostic Procedure 4

1. CHECK IGNITION ON SIGNAL

   Check voltage between time control unit terminal 9 and ground.

   Fig 1: Ignition ON Signal Voltage Table

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

   OK or NG

   OK : GO TO 2.

   NG : Check the following.

   • 1OA fuse (No. 10, located in the fuse block (J/B)]
   • Harness for open or short between control unit and fuse
   Fig 2: Checking Ignition ON Signal

   Courtesy of NISSAN MOTOR CO., U.S.A.
2. CHECK FRONT DOOR SWITCH LH INPUT SIGNAL

   With ignition switch OFF, check voltage between time control unit terminal 2 and ground.

   Fig 3: Front Door Switch LH Input Signal Voltage

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

   OK or NG

   OK : System is OK.

   NG : GO TO 3.

   Fig 4: Checking Front Door Switch LH Input Signal

   Courtesy of NISSAN MOTOR CO., U.S.A.
3. CHECK FRONT DOOR SWITCH LH

   Check continuity between terminals 2 and 3.

   Fig 5: Checking Front Door Switch LH

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

OK or NG

OK : Check the following.

• Front door switch LH ground circuit and condition
• Harness for open or short between time control unit and front door switch LH