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 MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALCOMPONENT LOCATIONSDIAGNOSTIC CONNECTOR (DLC) LOCATIONSIMPORTED CARS & TRUCKSSUBARU
1999 GMC Forward Control 5.7 R, Automatic
Imported Cars & Trucks: SUBARU
1999 GMC Forward Control 5.7 R, AutomaticSECTION SUBARU
NOTE:
This table provides a quick reference for self-diagnostic connector locations, when available from manufacturer, that ARE NOT
located at the lower left side of the dash, as mandated in 1996 by the Federal government.
SUBARU - IMPORTED CARS & TRUCKS
| Application | Connector Location | |||
|---|---|---|---|---|
| Brat, Coupe, Hatchback, Sedan & Wagon | ||||
| 1987 | ||||
| Read Memory Connector | Under Left Side Of Dash, Next To MFI/SMFI Control Unit | |||
| Test Mode Connector | ||||
| MFI | On Left Side Of Dash, Next To MFI Control Unit | |||
| Sequential MFI | On Left Side Of Firewall | |||
| 1988-89 | On Left Side Of Dash, Next To ECU | |||
| Forester | Under Left Side of Dash, Behind Cover | |||
| Justy | ||||
| 1987-88 | ||||
| Read Memory Connector (Factory) | On Right Front Fender, Near Strut Tower | |||
| Test Mode Connector | On Driver-Side Kick Panel Or ECU | |||
| 1989-95 | ||||
| Read Memory Connector (Factory) | Under Left Side Of Dash | |||
| Test Mode Connector | On Driver-Side Kick Panel Or ECU | |||
| Legacy | ||||
| 1990-94 | ||||
| Check Connector (Black Connector) | Behind Right Side Of Steering Column, Near Heater Case | |||
| Diagnostic Connector (Black 4-Pin Connector) | Behind Right Side Of Steering Column, Near Heater Case | |||
| Read Memory Connector (Black Connector) | Behind Knee Panel, Right Of Steering Column | |||
| Select Monitor Connector (Yellow Connector) | Behind Right Side Of Steering Column, Near Heater Case | |||
| Test Mode Connector (Green Connector) | Behind Knee Panel, Right Of Steering Column | |||
| 1995- | Under Left Side Of Dash, Behind Cover | |||
| Loyale | ||||
| 1990-91 | ||||
| MFI (5-Pin Connector) | In Front Of ECU | |||
| SMFI (Yellow 9-Pin & Black 13-Pin Connectors) | Near Brake Booster | |||
| 1992-95 | ||||
| Diagnostic Check Connector (Yellow 9-Pin & Black 13-Pin Connectors) |
Behind Brake Booster | |||
| Diagnostic Read-Memory Connector (2-Single Wire Connectors) |
Behind Left Front Strut Tower | |||
| Outback & Outback Sport | Under Center Of Dash | |||
| SVX | ||||
| 1992-96 | Under Left Side Of Dash | |||
| 1997 | Right Of Steering Column, On Center Console | |||
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.