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.
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HOMESERVICE MANUALSSUZUKI2009EQUATOR SPORT, 4D PICKUP EXTRA CAB, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 14 (AUTOMATIC TRANSMISSION)SCHEMATIC AND ROUTING DIAGRAMAUTOMATIC TRANSMISSION RELATED CONNECTOR END VIEWSTRANSMISSION CONTROL MODULE C1
2009 Suzuki Equator Sport, 4D Pickup Extra Cab, 4WD
Transmission Control Module C1
2009 Suzuki Equator Sport, 4D Pickup Extra Cab, 4WDSECTION Transmission Control Module C1
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Automatic Transmission Internal Connector End Views - Transmission Control Module C1
Connector Part Information
OEM: 1928403820
Service:
Description: Conn 38F (BK)
Terminal Part Information
Terminal:
Core/Insulation Crimp:
Release Tool/Test Probe:
CONNECTORS FUNCTION TABLE - TRANSMISSION CONTROL MODULE C1
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1-20 | - | - | Not Used |
| 21 | YE | 743 | Accessory Voltage |
| 22 | PK | 639 | Ignition 1 Voltage |
| 23 | BK/WH | 451 | Ground |
| 24 | - | - | Not Used |
| 25 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus + |
| 26 | TN | 2501 | High Speed GMLAN Serial Data Bus - |
| 27-30 | - | - | Not Used |
| 31 | PK | 639 | Ignition 1 Voltage |
| 32 | BK/WH | 451 | Ground |
| 33 | RD/WH | 1440 | Battery Positive Voltage |
| 34 | - | - | Not Used |
| 35 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus + |
| 36 | TN | 2501 | High Speed GMLAN Serial Data Bus - |
| 37-38 | - | - | 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.