Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy Lamps Malfunction
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| B+, BCM C4 Terminal 2 | B2615 00, 4, 5, 7, 8, 11 | B2615 00, 4, 5, 7, 8, 11 | -- | -- |
| B+, BCM C3 Terminal 2 | 6, 9 | 6, 9 | -- | -- |
| Courtesy Lamp Supply Voltage | B2615 00, 4, 5, 7, 8, 11 | 4, 5, 8 | -- | -- |
| Courtesy Lamp Supply Voltage - Left Front Door | 10 | 10 | 10 | -- |
| Courtesy Lamp Supply Voltage - Right Front Door | 10 | 10 | 10 | -- |
| Inadvertent Power Courtesy Lamp | B1480 00, 6 | 6 | -- | -- |
| Courtesy Lamp Switch ON Signal | 1 | 1 | 1* | -- |
| Left Front Door Open Switch Signal | 2 | 2 | -- | -- |
| Rear Door Open Switch Signal | 3 | 3 | -- | -- |
| Right Front Door Open Switch Signal | 2 | 2 | -- | -- |
| Door lock Low Reference - Left Front | -- | 2 | -- | -- |
| Door lock Low Reference - Right Front | -- | 2 | -- | -- |
| Courtesy Lamp Ground - Left Front Door | -- | 10 | -- | -- |
| Courtesy Lamp Ground - Right Front Door | -- | 10 | -- | -- |
| Courtesy Lamp Ground - Left Middle Door | -- | 5 | -- | -- |
| Courtesy Lamp Ground - Right Middle Door | -- | 5 | -- | -- |
| Courtesy Lamp Ground - Left Rear Door | -- | 5 | -- | -- |
| Courtesy Lamp Ground - Right Rear Door | -- | 5 | -- | -- |
| Door lock Ground - Left Rear | -- | 3 | -- | -- |
| Door lock Ground - Right Rear | -- | 3 | -- | -- |
| Inadvertent Courtesy Lamps Ground | -- | 4, 5, 6 | -- | -- |
| Overhead Console Lamp Ground | -- | 7 | -- | -- |
| Roof Rail Courtesy/Reading Lamp Ground - Left | -- | 8 | -- | -- |
| Roof Rail Courtesy/Reading Lamp Ground - Left | -- | 8 | -- | -- |
| * Internal damage to the headlamp switch may occur if shorted to B+ 1. Dome Lamp Switch Malfunction 2. Door Open Switch Malfunction - Front 3. Door Open Switch Malfunction - Rear or Middle 4. Courtesy/Reading Lamps Malfunction with Courtesy Lamp Module 5. Courtesy Lamps Malfunction without Courtesy Lamp Module 6. Inadvertent Power Courtesy Lamps Malfunction 7. Overhead Console Courtesy/Reading Lamp Malfunction - Limo/Hearse 8. Roof Rail Courtesy/Reading Lamp Malfunction - Limo/Hearse 9. Interior Back Lighting Malfunction 10. Front Door Courtesy Lamp Malfunction 11. Right Front Turn Signal Malfunction |
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