Hazard Warning Lamp Does Not Operate But Turn Signal Lamps Operate

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK BULB
Make sure bulb standard of each turn signal lamp is correct.

OK or NG
1. OK: GO TO 2.
2. NG: Replace turn signal lamp bulb.

CHECK HAZARD SWITCH INPUT SIGNAL

With CONSULT-II

Select "BCM" on CONSULT-II. With "FLASHER" data monitor, make sure "HAZARD SW" turns ON-OFF linked with operation of hazard switch.

When hazard switch is ON position: HAZARD SW ON

Fig 1: CONSULT-II Function Display Data Monitor

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

Without CONSULT-II

Check voltage between BCM harness connector M18 terminal 29 (Y/R) and ground.

TERMINAL VOLTAGE CHART

Terminals			Condition	Voltage (Approx.)
(+)		(-)
Connector	Terminal (Wire color)
M18	29 (Y/R)	Ground	Hazard switch is ON	0V
			Hazard switch is OFF	5V

OK or NG

OK: Replace BCM. Refer to "Removal And Installation Of BCM ".
NG: GO TO 3.

Fig 2: Checking Voltage Between BCM Harness Connector M18 Terminal 29 (Y/R) And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK HAZARD SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and hazard switch connector.
3. Check continuity BCM harness connector M18 terminal 29 (Y/R) and hazard switch harness connector M55 terminal 2 (Y/R).
  1. 29 (Y/R) - 2 (Y/R): Continuity should exist.
  OK or NG
  1. OK: GO TO 4.
  2. NG: Repair harness or connector.
    
    Fig 3: Checking Continuity BCM Harness Connector M18 Terminal 29 (Y/R)
    Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK GROUND
Check continuity of hazard switch harness connector M55 terminal 1 (B) and ground.
1. 1 (B) - Ground: Continuity should exist.
OK or NG
1. OK: GO TO 5.
2. NG: Repair harness or connector.
  
  Fig 4: Checking Continuity Of Hazard Switch Harness Connector M55 Terminal 1 (B) And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK HAZARD SWITCH

Disconnect hazard switch connector.
Check continuity hazard switch.

TERMINAL CONTINUITY CHART

Terminal		Condition	Continuity
Hazard switch
1	2	Hazard switch is ON	Yes
		Hazard switch is OFF	No

OK or NG

OK: Replace BCM if turn signal lamps does not work after setting the connector again. Refer to "Removal And Installation Of BCM ".
NG: Replace hazard switch.

Fig 5: Checking Continuity Hazard Switch
Courtesy of NISSAN MOTOR CO., U.S.A.