Diagnostic Procedure 6

"SECURITY INDICATOR LAMP DOES NOT LIGHT UP"

CHECK FUSE
Check 10A fuse [No. 19, located in the fuse block (J/B)]

OK or NG
1. OK: GO TO 2.
2. NG: Replace fuse.
CHECK SECURITY INDICATOR LAMP
1. Install 10A fuse.
2. Start engine and turn ignition switch OFF.
3. Check the security indicator lamp lights up.
1. Security indicator lamp should light up.
OK or NG
1. OK: INSPECTION END.
2. NG: GO TO 3.
CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT
1. Disconnect security indicator lamp.
2. Check voltage between security indicator lamp connector M24 terminal 8 and ground.
  
  Fig 1: Checking Voltage Between Security Indicator Lamp Connector Terminal And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  8 (Y/R) - Ground: Battery voltage
OK or NG
1. OK: GO TO 4.
2. NG: Repair or replace harness.
CHECK BCM (NATS CONTROL UNIT) FUNCTION
1. Connect security indicator lamp.
2. Disconnect BCM.
3. Check voltage between BCM connector M18 terminal 23 and ground.
  
  Fig 2: Checking Voltage Between BCM Connector Terminal And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  23 (G/O) - Ground: Battery voltage
OK or NG
1. OK: BCM is malfunctioning.
  - Replace BCM.
    Ref. part No. A
  - Perform initialization with CONSULT-II.
  - For initialization, refer to "CONSULT-II Operation Manual NATS-IVIS/NVIS".
2. NG: Check the following.
  - Harness for open or short between security indicator lamp and BCM (NATS control unit).
  - Indicator lamp condition