"Security Indicator Lamp Does Not Light Up"

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

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

OK or NG

OK: GO TO 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.
  Security indicator lamp should light up.
OK or NG

OK: INSPECTION END.

NG: GO TO 3.
CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT
1. Disconnect security indicator lamp.
2. Check voltage between security indicator lamp connector M37 terminal 1 and ground.
  1 - Ground: Battery voltage
Fig 1: Checking Voltage Between Security Indicator Lamp Connector M37 Terminal 1 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 4.

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.
  23 - Ground: Battery voltage
Fig 2: Checking Voltage Between BCM Harness Connector M18 Terminal 23 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: BCM is malfunctioning.
- Replace BCM. Refer to "BCM ".
- Perform initialization with CONSULT-III.
- For initialization, refer to "CONSULT-III Operation Manual NATS-IVIS/NVIS".
NG: Check the following:
- Harness for open or short between security indicator lamp and BCM (NATS control unit).
- Indicator lamp condition