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.
Turn Signal Lamps and/or Indicators Malfunction
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| B+, BCM C4 Terminal 1 | 2 | 2 | -- | -- |
| B+, BCM C4 Terminal 2 | B2615 00 | B2615 00 | -- | -- |
| B+, BCM C4 Terminal 3 | 7 | 7 | -- | -- |
| Left Front Turn Signal Lamp Supply Voltage | 2 | 4, 8 | 4 | -- |
| Right Front Turn Signal Lamp Supply Voltage | B2615 00 | 5, 9 | 5 | -- |
| Left Rear Stop/Turn Lamp Supply Voltage | 2 | 6 | 6 | -- |
| Right Rear Stop/Turn Lamp Supply Voltage | 7 | 7 | 7 | -- |
| Left Tail Lamp Outage Detection Signal | 10 | 10 | 10 | -- |
| Left Turn Signal Switch Signal | 1, 2 | 2 | 2 | -- |
| Right Tail Lamp Outage Detection Signal | 10 | 10 | 10 | -- |
| Right Turn Signal Switch Signal | 1 | 3 | 3 | -- |
| Left Outside Rearview Mirror Turn Signal Lamp Low Reference | -- | 8 | -- | -- |
| Right Outside Rearview Mirror Turn Signal Lamp Low Reference | -- | 9 | -- | -- |
| LF Park/Turn Signal Lamp Ground | -- | 4 | -- | -- |
| RF Park/Turn Signal Lamp Ground | -- | 5 | -- | -- |
| Left Tail Stop/Turn Lamp Ground | -- | 6 | -- | -- |
| Right Tail Stop/Turn Lamp Ground | -- | 7 | -- | -- |
| Turn Signal/Multifunction Switch Ground | -- | 1 | -- | -- |
| 1. All turn signals inoperative 2. Left turn signal malfunction 3. Right turn signal malfunction 4. Left front turn signal malfunction 5. Right front turn signal malfunction 6. Left rear turn signal malfunction 7. Right rear turn signal malfunction 8. Left outside rearview mirror turn signal malfunction 9. Right outside rearview mirror turn signal malfunction 10. Turn signal lamps and turn signal indicator flash in a rapid manner |
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