Operation CHARM: Car repair manuals for everyone.

Chime Always On



Chime Always On

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview
* Review Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions provides an overview of each diagnostic category.

Circuit/System Description

The radio generates the audible warning through the left speaker. The radio receives audible warning requests via the serial data circuit from the instrument panel cluster (IPC) or the body control module (BCM).

Circuit/System Testing

Important: Before performing this diagnostics, make sure no indicators or DIC messages are illuminated after the IPC performs the displays test. If any indicators or DIC messages are illuminated after the displays test, perform the indicator or DIC message diagnostics before this diagnostic.

1. Ignition ON, headlamp switch OFF, verify the scan tool Headlamp On Switch parameter is Inactive.

If not Inactive, Refer to Headlamps Malfunction. Headlamps Malfunction

2. Ignition ON, park lamp switch OFF, verify the scan tool Park Lamp Switch parameter is OFF.

If not OFF, Refer to Park, License, and/or Tail Lamps Malfunction. Park, License, and/or Tail Lamps Malfunction

3. Ignition ON, doors closed, verify the scan tool LF Door Open Switch RF Door Open Switch parameters is Closed.

If not Closed, Refer to Courtesy Lamps Malfunction. Courtesy Lamps Malfunction

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Verification Tests