Hazard Warning Lamp Does Not Operate But Turn Signal Lamps Operate

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

OK or NG

1. OK: Go to 2.
2. NG: Replace bulb.

With CONSULT-II

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

Fig 1: Using CONSULT-II To Monitor Hazard Switch

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When hazard switch is ON: HAZARD SW ON position 

Without CONSULT-II

Check voltage between BCM harness connector M3 terminal 29 (G/Y) and ground.

Fig 2: Testing Power To Hazard Switch

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Fig 3: BCM Terminal 29 Specifications

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OK or NG

1. OK: Replace BCM. .
2. NG: Go to 3.

1. Turn ignition switch OFF.
2. Disconnect BCM connector and hazard switch connector.
3. Check continuity BCM harness connector M3 terminal 29 (G/Y) and hazard switch harness connector M51 terminal 2 (G/Y).
   Fig 4: Checking Continuity Between BCM And Hazard Switch Connectors

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   29 (G/Y) - 2 (G/Y): Continuity should exist  .

OK or NG

1. OK: Go to 4.
2. NG: Repair harness or connector.

Check continuity hazard switch harness connector M51 terminal 1 (B) and ground.

Fig 5: Checking Hazard Switch Continuity To Ground

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1 (B) - Ground: Continuity should exist  .

OK or NG

1. OK: Go to 5.
2. NG: Repair harness or connector.

1. Disconnect hazard switch connector.
2. Check continuity of hazard switch.
   Fig 6: Testing Hazard Switch Continuity

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   Fig 7: Hazard Switch Continuity Specifications

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OK or NG

1. OK: Replace BCM if turn signal lamps does not work after setting the connector again. .
2. NG: Replace hazard switch.