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.
Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
Power Seat Inoperative (w/Memory-A45)
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| B+ (C3 Terminal 5) | 1 | 1 | - | - |
| B+ (C3 Terminal 2) | 2 | 2 | - | - |
| B+ (C3 Terminal 6) | 3 | 3 | - | - |
| B+ (C3 Terminal 3) | 3 | 1 | - | - |
| Front Vertical Up Switch Signal | 3 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Front Vertical Down Switch Signal | 3 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Rear Vertical Up Switch Signal | 3 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Rear Vertical Down Switch Signal | 3 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Horizontal Forward Switch Signal | 3 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Horizontal Rearward Switch Signal | 3 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Recline Forward Switch Signal | 3 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Recline Rearward Switch Signal | 3 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Driver Seat Front Vertical Motor Down Control | B3920 02 | 1 | B3920 01 | B2355 5A |
| Driver Seat Front Vertical Motor Up Control | B3920 02 | 1 | B3920 01 | B2355 5A |
| Driver Seat Rear Vertical Motor Down Control | B3920 02 | 1 | B3920 01 | B2365 5A |
| Driver Seat Rear Vertical Motor Up Control | B3920 02 | 1 | B3920 01 | B2365 5A |
| Driver Seat Horizontal Motor Forward Control | B3920 02 | 1 | B3920 01 | B2375 5A |
| Driver Seat Horizontal Motor Rearward Control | B3920 02 | 1 | B3920 01 | B2375 5A |
| Driver Seat Recline Motor Forward Control | B3920 02 | 1 | B3920 01 | B1825 5A |
| Driver Seat Recline Motor Rearward Control | B3920 02 | 1 | B3920 01 | B1825 5A |
| Ground (C3 Terminal 1) | - | - | - | - |
| Ground (C3 Terminal 4) | - | - | - | - |
| Ground (Inline C315 Terminal 3) | - | 3 | - | - |
| 1. Driver power seat, lumbar horizontal, and memory functions inoperative 2. Driver and passenger lumbar vertical and massage functions inoperative 3. Scan Tool Does Not Communicate with Low Speed GMLAN Device |
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