Schematic Reference: Audible Warnings Schematics

DEFINITION: One or more chime functions are inoperative.

Did you perform the Audible Warnings Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Audible Warnings

1. Install a scan tool.
2. Turn the ignition ON, with the engine OFF.
3. With a scan tool, perform the Chime Test in the BCM.

Does the chime sound?

Go to Step 3

Go to Step 10

1. Turn the ignition OFF.
2. Open the driver door.

Do the courtesy lamps illuminate when the driver's door is opened?

Go to Step 4

Go to Courtesy Lamps Inoperative in Lighting Systems

1. Install a scan tool.
2. Turn the ignition ON, with the engine OFF.
3. Turn the headlamp switch to park.
4. With a scan tool, observe the LCM Lights On Chime parameter in the BCM Inputs Data list.

Does the LCM Lights On Chime parameter display On?

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

Go to Step 5

1. Turn the ignition OFF.
2. Disconnect the BCM connector C3.
3. Connect a test lamp between the park lamp off signal circuit and a good ground.
4. Turn the headlamp switch to park.

Does the test lamp illuminate?

Go to Step 6

Go to Step 8

Test the park lamp off signal circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 11

Go to Step 7

Inspect for poor connections at the harness connector of the headlamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 11

Go to Step 9

Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 11

Go to Step 10

Replace the headlamp switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column.

Did you complete the replacement?

Go to Step 11

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Important: Program the replacement BCM.

Replace the BCM. Refer to Body Control Module Replacement in Body Control System.

Did you complete the replacement?

Go to Step 11

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2