Lighting Switch Input Signal Inspection

CHECK LIGHTING SWITCH INPUT SIGNAL
With CONSULT-II
- Check lighting switch "HD/LMP 1ST SW" in "DATA MONITOR" mode with CONSULT-II.
  1. "HD/LMP 1ST SW"
  2. When lighting switch is 1ST or 2ND: ON
  3. When lighting switch is OFF: OFF
Without CONSULT-II
- Check lighting switch in switch monitor mode, Refer to "ON BOARD DIAGNOSIS ".
  
  Fig 1: Displaying Consult II Data Monitor
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Lighting switch input signal is OK. Return to "SYMPTOM CHART ".
2. NG: GO TO 2.
CHECK TAIL LAMP RELAY CONTROL SIGNAL
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector M4 terminal 3 (R/L) and ground.
  1. 3 (R/L) - Ground
  2. When lighting switch is 1ST or 2ND: Approx. 12 V
  3. When lighting switch is OFF: Approx. 0 V
  Fig 2: Disconnecting BCM Connector
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace BCM.
2. NG: Check harness between BCM and tail lamp relay.