Lighting Switch Input Signal Inspection

WARNING: This page is about a different car, the 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

CHECK LIGHTING SWITCH INPUT SIGNAL
With CONSULT-II

Check Lighting switch ("HD/LMP 1ST SW") in "DATA MONITOR" mode with CONSULT-II.
1. When lighting switch is 1ST : HD/LMP 1ST SW ON or 2ND
2. When lighting switch is OFF : HD/LMP 1ST SW OFF
Fig 1: Checking Lighting Switch Input Signal
Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

Check lighting switch in switch monitor mode, refer to "ON BOARD DIAGNOSIS ".

OK or NG

OK >> Lighting switch is OK.

NG >> GO TO 2.
CHECK TAIL LAMP RELAY CONTROL SIGNAL
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM and ground.
Fig 2: Checking Tail Lamp Relay Control Signal
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Identifying Terminal Condition And Voltage Table
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK >> Inspection end.

NG >> Check harness for open or short between BCM and tail lamp relay.