Diagnostic Fault Information
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Headlamp Leveling Sensor Signal - Front | B3410 03, 1 | B3410 03, 1 | B3410 07, 1 | - |
| Headlamp Leveling Sensor Signal - Rear | B3420 03, 1 | B3420 03, 1 | B3420 07, 1 | - |
| Headlamp Leveling Sensor 5 Volt Reference - Front | B3410 02, 1 | B3410 02, 1 | B3410 01, 1 | - |
| Headlamp Leveling Sensor 5 Volt Reference - Rear | B3420 02, 1 | B3420 02, 1 | B3420 01, 1 | - |
| Headlamp Leveling Motor Control Circuit 1 - Left | B3435 02 | B3435 00 | B3435 00 | B3435 39, B3435 54 |
| Headlamp Leveling Motor Control Circuit 2 - Left | B3435 02 | B3435 00 | B3435 00 | B3435 39, B3435 54 |
| Headlamp Leveling Motor Control Circuit 3 - Left | B3435 02 | B3435 00 | B3435 00 | B3435 39, B3435 54 |
| Headlamp Leveling Motor Control Circuit 4 - Left | B3435 02 | B3435 00 | B3435 00 | B3435 39, B3435 54 |
| Headlamp Leveling Motor Control Circuit 1 - Right | B3440 02 | B3440 00 | B3440 00 | B3440 39, B3440 54 |
| Headlamp Leveling Motor Control Circuit 2 - Right | B3440 02 | B3440 00 | B3440 00 | B3440 39, B3440 54 |
| Headlamp Leveling Motor Control Circuit 3 - Right | B3440 02 | B3440 00 | B3440 00 | B3440 39, B3440 54 |
| Headlamp Leveling Motor Control Circuit 4 - Right | B3440 02 | B3440 00 | B3440 00 | B3440 39, B3440 54 |
| Headlamp Leveling Sensor Low Reference - Front | - | 1 | - | - |
| Headlamp Leveling Sensor Low Reference - Rear | - | 1 | - | - |
| 1. Headlamp Leveling Malfunction | ||||