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.
Normal Mode Code Retrieval
1995 Toyota T100 DX, RWD, StandardSECTION Normal Mode Code Retrieval
- Connect scan tool to Data Link Connector No. 3 (DLC3). See Figure. Turn ignition on. Turn on scan tool. Retrieve any trouble codes stored in memory following scan tool instructions. See the TROUBLE CODE IDENTIFICATION table.
- Codes recorded may not have illuminated MIL. When certain malfunctions or trouble codes initially occur, they will be temporarily stored in ECM memory, but MIL will not illuminate.
- The second time malfunction or trouble code is detected, MIL will illuminate, provided ignition is turned off and then back on after malfunction or trouble code was first detected. This process is referred to as Two Trip Detection Logic and only applies to most trouble codes.
- Also record freeze-frame data. If using Toyota scan tool, ensure tool is in normal mode. CHECK MODE will erase all codes.
NOTE:
When scan tester is switched from normal mode to check mode, all trouble codes and freeze-frame data will be erased. DO NOT switch modes until all trouble codes and freeze-frame data are recorded.
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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.