Schematic Reference: Audible Warnings Schematics

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

1. Install a scan tool.
2. Turn the ignition ON , with the engine OFF.
3. With a scan tool, observe the Key-In-Ignition parameter in the body control module (BCM) Inputs data list.

Does the scan tool display Yes?

Go to Step 3

Go to Step 4

1. Turn the ignition ON , with the engine OFF.
2. Turn the headlamps ON.
3. With a scan tool, observe the Park Lamp Input parameter in the BCM Inputs data list.

Does the scan tool display On?

Go to Step 4

Go to Step 5

1. Make sure that the driver seat belt is unbuckled.
2. With a scan tool, observe the Driver Seat Belt parameter in the BCM Inputs data list.

Does the scan tool display Unbuckled?

Go to Step 6

Go to Step 7

1. Turn the ignition OFF.
2. Turn the headlamps OFF.
3. Disconnect the BCM connector C1.
4. Connect a test lamp between the lights on signal circuit at the BCM and a good ground.
5. Turn the headlamps ON.

Does the test lamp illuminate?

Go to Step 14

Go to Step 10

Open the driver door.

Does the door ajar indicator illuminate when the driver door is opened?

Go to Step 14

Go to Door Ajar Indicator Description and Operation in Doors

1. Turn the ignition OFF.
2. Disconnect the BCM connector C1.
3. Connect a test lamp between the LH seat belt signal circuit at the BCM and battery positive voltage.

Does the test lamp illuminate?

Go to Step 14

Go to Step 11

1. Turn the ignition OFF.
2. Disconnect the remote control door lock receiver (RCDLR).
3. Connect a test lamp between the chime control circuit at the RCDLR and a good ground.

Does the test lamp illuminate?

Go to Step 17

Go to Step 12

1. Turn the ignition OFF.
2. Disconnect the RCDLR.
3. Connect a test lamp between the key-in-ignition signal circuit at the RCDLR and battery positive voltage.

Does the test lamp illuminate?

Go to Step 17

Go to Step 13

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

Did you find and correct the condition?

Go to Step 24

Go to Step 15

Test the LH seat belt signal circuit for an open or for a high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 24

Go to Step 16

Test the chime control circuit for an open or for high a resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 24

Go to Step 14

Test the key-in-ignition signal circuit for an open or for a high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 24

Go to Step 18

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 24

Go to Step 19

Inspect for poor connections at the harness connector of the lamp control module (LCM). 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 24

Go to Step 20

Inspect for poor connections at the harness connector of the driver seat belt 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 24

Go to Step 21

Inspect for poor connections at the harness connector of the RCDLR. 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 24

Go to Step 22

Inspect for poor connections at the harness connector of the ignition and key alarm 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 24

Go to Step 23

Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 24

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Replace the LCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 24

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Replace the driver seat belt switch. Refer to Seat Belt Buckle Replacement - Left Front in Seat Belts.

Did you complete the replacement?

Go to Step 24

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Replace the RCDLR. Refer to Remote Control Door Lock Receiver Replacement in Keyless Entry.

Did you complete the replacement?

Go to Step 24

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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 24

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2