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

Is the fasten seat belt indicator inoperative?

Go to Seat Belt Indicator Circuit Malfunction in Seat Belts

Go to Step 3

Check the LF and RF turn signal indicators for proper operation.

Are either of the turn signal indicators inoperative?

Go to Diagnostic System Check - Lighting Systems in Lighting Systems

Go to Step 4

Turn the headlamps on.

Are the headlamps on?

Go to Step 5

Go to Low and High Beams Headlamps Inoperative in Lighting Systems

1. Turn ON the ignition, with the engine OFF.
2. Make sure the rear parking assist on/off switch is in the on position.

Do the rear parking assist indicators turn on for 2 seconds and then turn off after bulb check?

Go to Step 11

Go to Rear Parking Assist Malfunction in Rear Parking Assist

Test the control circuit of the headlamp switch for a short to B+ or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 7

1. Place the key in the ignition switch.
2. Connect a test lamp between the control circuit of the ignition key warning switch at the BCM and B+. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

Go to Step 8

Go to Step 12

1. Open the LF door.
2. Connect a test lamp between the control circuit of the LF side door lock at the BCM and B+. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

Go to Step 14

Go to Step 13

Test for an open or a short to B+ in the control circuit of the ignition key warning switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 16

Test for an open or a short to B+ in the control circuit of the LF side door lock. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition ?

Go to Step 17

Go to Step 15

Inspect the control circuit of the headlamp switch 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 17

Go to Step 6

Inspect the control circuit of the ignition key warning switch for poor connections at the harness connector of the BCM connector C2 and the ignition key warning 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 17

Go to Step 9

Inspect the control circuit of the LF side door lock for poor connections at the harness connector of the BCM connector C2 and the LF side door lock. 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 17

Go to Step 10

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

Did you complete the replacement?

Go to Step 17

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Replace the LF door lock. Refer to Front Side Door Lock Replacement in Doors.

Did you complete the replacement?

Go to Step 17

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Replace the ignition key alarm switch. Refer to Ignition and Key Alarm Switch Assembly - Disassemble - Off Vehicle and Ignition and Key Alarm Switch Assembly - Assemble - Off Vehicle in Steering Wheel and Column - Tilt.

Did you complete the replacement?

Go to Step 17

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2