Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Body Control Module (BCM) X3
2006 Isuzu Ascender S, 4.2 S, 4WDSECTION Body Control Module (BCM) X3
WARNING: This page is about a different car, the 2008 Saab 9-7X. However, it is still accessible from the selected car via links, so may be relevant.
Connector Part Information
|
Terminal Part Information
|
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| A1 | - | 2140 | Battery Positive Voltage |
| A2 | - | 2140 | Battery Positive Voltage |
| A3 | - | 748 | Right Rear Door Ajar Switch Signal |
| A4 | - | 1134 | Park Brake Switch Signal |
| A5 | - | 195 | Door Lock Control |
| A6 | - | 2265 | Power Window Lockout Left Rear Control |
| A7 | - | HD11 | Not Used |
| A8 | - | 747 | Left Rear Door Ajar Switch Signal |
| A9 | - | LD14 | Not Used |
| A10 | - | LD16 | Not Used |
| A11 | - | 1350 | Ground |
| A12 | - | 1353 | RAP Control |
| A13 | - | 194 | Door Unlock Control |
| A14 | - | 1080 | Park Lamp Relay Control |
| A15 | - | LS05 | Not Used |
| A16 | - | 1828 | Not Used |
| A17 | - | A12 | Not Used |
| A18 | - | 992 | Ignition Voltage |
| A19 | - | 39 | Ignition Voltage |
| A20 | - | 541 | Ignition Voltage |
| B1 | - | 230 | Instrument Panel Lamps Dimming Control |
| B2 | - | 230 | Instrument Panel Lamps Dimming Control |
| B3 | - | 690 | Courtesy Lamp Control |
| B4 | - | 2240 | Battery Positive Voltage |
| B5 | - | 1196 | Power Window Switch Right Rear Up Signal |
| B6 | - | 2266 | Power Window Lockout Right Rear Control |
| B7 | - | 1188 | Power Window Switch Right Rear Down Signal |
| B8 | - | 1185 | Power Window Switch Left Rear Up Signal |
| B9 | - | 1187 | Power Window Switch Left Rear Down Signal |
| B10 | - | LD11 | Not Used |
| B11 | - | 1350 | Ground |
| B12 | - | 24 | Backup Lamp Control |
| B13 | - | 4440 | Battery Positive Voltage |
| B14 | - | 1382 | Not Used |
| B15 | - | 543 | Ignition Voltage |
| B16 | - | HS02 | Not Used |
| B17 | - | 4040 | Battery Positive Voltage |
| B18 | - | 1732 | Courtesy Lamps Control |
| B19 | - | 1977 | Not Used |
| B20 | - | LS03 | Not Used |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.