Schematic Reference: Exterior Lights Schematics

1

Did you perform the Lighting System Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

Place the hazard switch in the HAZARD position.

Do the hazard lamps operate properly?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

1. Turn ON the ignition, with the engine OFF.
2. Operate the turn signal lamps.

Do the turn signal lamps operate properly?

Go to Step 4

Go to Turn Signal Lamps and/or Indicators Inoperative

1. Disconnect the hazard flasher.
2. Connect a test lamp between the battery positive voltage circuit of the hazard flasher and a good ground.

Does the test lamp illuminate?

Go to Step 5

Go to Step 6

Connect a 20 amp fused jumper between the battery positive voltage circuit of the hazard flasher and the hazard flasher signal circuit.

Do the hazard lamps illuminate?

Go to Step 8

Go to Step 7

Test for an open or short to ground in the battery positive voltage circuit of the hazard flasher. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 13

Go to Step 10

Test for an open or high resistance in the hazard flasher signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 13

Go to Step 9

Inspect for poor connections at the hazard flasher. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 13

Go to Step 11

Inspect for poor connections at the turn/hazard switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 13

Go to Step 12

Repair a short to ground in the hazard flasher signal circuit. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 13

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Replace the hazard flasher. Refer to Hazard Lamp Flasher Replacement .

Did you complete the replacement?

Go to Step 13

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Replace the turn/hazard switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column.

Did you complete the replacement?

Go to Step 13

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2