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 MANUALSTOYOTA1995T100 DX, RWD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODES - 2.7LSCAN TESTER PROBLEMSDLC NO. 3 INSPECTION
1995 Toyota T100 DX, RWD, Standard
DLC No. 3 Inspection
1995 Toyota T100 DX, RWD, StandardSECTION DLC No. 3 Inspection
- If scan tester displays UNABLE TO CONNECT TO VEHICLE when scan tester is connected, try scan tester on another vehicle. If scan tester operates on another vehicle, proceed to step 2). If scan tester does not operate on another vehicle, problem is probably with scan tester.
- Note location of DLC No. 3 (Fig. Figure) and its terminals (Fig. Fig 1). Ensure voltage and resistance are correct at specified terminals when checking between terminal on DLC No. 3 and body ground. See DLC NO . 3 VOLTAGE & RESISTANCE SPECIFICATIONS table. If voltage and resistance are not as specified, check wiring circuit. See the WIRING DIAGRAMS - 2.7L article.
NOTE:
Terminal No. 2 on DLC No. 3 provides pulse generation during information transmission from Engine Control Module (ECM).
DLC NO. 3 VOLTAGE & RESISTANCE SPECIFICATIONS
| Terminal No. (Application) | Specification |
|---|---|
| 4 (Chassis Ground) | Always Less Than One Ohm |
| 5 (Signal) | Always Less Than One Ohm |
| 16 (Battery Voltage) | Always 9-14 Volts |
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.