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Home >> Isuzu >> 2007 >> Ascender RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting Systems >> Diagnostic Information and Procedures >> Hazard Lamps Inoperative

Hazard Lamps Inoperative

Hazard Lamps Inoperative

Step Action Yes No
Schematic Reference:  Exterior Lights Schematics  
Connector End View Reference:  Lighting Systems Connector End Views  
1 Did you review the Exterior Lighting Systems Description and Operation and perform the necessary inspections? Go to Step 2  Go to Exterior Lighting Systems Description and Operation 
2 Verify that the hazard lamps are inoperative.
Do the hazard lamps operate normally?
Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3 Do the turn signal lamps operate normally? Go to Step 4  Go to Symptoms - Lighting Systems 
4
  1. Disconnect the turn/hazard flasher.
  2. Activate the hazard lamp switch.
  3. Test for a ground signal at the hazard switch signal circuit input terminal of the turn/hazard flasher connector. Refer to Circuit Testing .
Is a ground signal present?
Go to Step 6  Go to Step 5 
5 Test the multifunction turn signal switch hazard switch signal circuit and ground circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct a condition?
Go to Step 10  Go to Step 7 
6 Inspect for poor connections at the harness connector of the hazard/turn flasher. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct a condition?
Go to Step 10  Go to Step 8 
7 Inspect for poor connections at the harness connector of the multifunction turn signal switch. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 10  Go to Step 9 
8 Replace the hazard/turn flasher. Refer to Hazard and Turn Signal Flasher Replacement .
Did you complete the repair?
Go to Step 10  -
9 Replace the multifunction turn signal switch. Refer to Turn Signal Multifunction Switch Replacement .
Did you complete the repair?
Go to Step 10  -
10 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3