No.3 HAZARD WARNING LIGHTS DO NOT ILLUMINATE AT ALL
id0902h1810000
Possible Cause
• BTN1 40 A fuse malfunction [except L3]
• BTN1 60 A fuse malfunction [L3]
• HAZARD 15 A fuse malfunction
• Related wiring harness malfunction
• Hazard warning switch malfunction
• Flasher control module malfunction
Diagnostic Procedure
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STEP
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INSPECTION
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ACTION
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1
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INSPECT HAZARD WARNING SWITCH POWER SUPPLY
Disconnect the hazard warning switch connector.
Measure the voltage at hazard warning switch terminal B.
Is the voltage more than 10 V?
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Yes
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Go to Step 3.
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No
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Go to the next step.
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2
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INSPECT RELATED WIRING HARNESS CONNECTION
Disconnect the flasher control module connector.
Measure the resistance between flasher control module terminal H and hazard warning switch terminal B.
Is the resistance less than 5 ohms?
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Yes
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Replace the flasher control module.
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No
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Repair the related wiring harness.
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3
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INSPECT HAZARD WARNING SWITCH GROUND
Measure the resistance between hazard warning switch terminal D and ground.
Is the resistance less than 5 ohms?
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Yes
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Replace the hazard warning switch.
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No
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Repair the related wiring harness.
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