Schematic Reference: Audible Warnings Schematics

Did you review the operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Instrument Panel, Gages and Console

Are the Rear Parking Assist (RPA) indicators ON?

Go to Rear Parking Assist Malfunction in Rear Parking Assist

Go to Step 3

Are any other indicators illuminated?

Go to Symptoms - Instrument Panel, Gages and Console

Go to Step 4

Test the control circuit of the IP BCM chime request for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 5

1. Turn OFF the ignition.
2. Make sure the headlamp and I/P lamp dimmer switch is in the off position.
3. Disconnect the BCM connector C2.
4. Connect a test lamp between the headlamp and I/P lamp dimmer switch circuit at the BCM and ground. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

Go to Step 6

Go to Step 7

1. Take the ignition key out of the ignition switch.
2. Connect a test lamp between the control circuit of the ignition key alarm switch and B+. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

Go to Step 8

Go to Step 13

Test the control circuit of the headlamp and I/P lamp dimmer switch for an open . Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 12

1. Disconnect C201.
2. Leave the test lamp at the same location.

Does the test lamp illuminate?

Go to Step 11

Go to Step 14

Inspect for poor connections at the harness connector of the headlamp and I/P lamp dimmer 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 15

Go to Step 12

Inspect for poor connections at the harness connector of the BCM connector C2. 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 15

Go to Step 13

Repair a short to ground in the control circuit of the ignition key alarm switch. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 15

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Replace the headlamp and I/P lamp dimmer switch. Refer to Headlamp Switch Replacement in Lighting Systems.

Did you complete the replacement?

Go to Step 15

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

Did you complete the replacement?

Go to Step 15

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Replace the ignition key alarm switch. Refer to Ignition and Start Switch Replacement in Steering Wheel and Column.

Did you complete the replacement?

Go to Step 15

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2