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 MANUALSNISSAN-DATSUN1996300ZX TURBO, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODES - 300ZXSELF-DIAGNOSTICS USING SCAN TOOLRETRIEVING CODES USING SCAN TOOL
1996 Nissan-Datsun 300ZX Turbo, Standard
Retrieving Codes Using Scan Tool
1996 Nissan-Datsun 300ZX Turbo, StandardSECTION Retrieving Codes Using Scan Tool
- Ensure engine is warmed to normal operating temperature. If engine does not start, continue with testing. Turn ignition on. Ensure test equipment is properly attached.
- Using the scan tool, select and enter the following data:
- Select vehicle and engine selection menu.
- Select year, engine, model and any additional information requested by scan tool.
- Select ECM.
- Select DTCs.
- Select DIAGNOSTIC TEST MODE RESULTS.
- At this point, scan tool should display all DTCs. Write down codes in order displayed. If a communication problem exists between scan tool and ECM, check for loose power and data cables to scan tool.NOTE: If a DTC is retrieved, ECM may have stored data. See FREEZE FRAME DATA . If desired, check freeze frame data before clearing codes. Clearing codes will erase freeze frame data.
- To determine if codes will reappear, indicating a hard (non-intermittent) fault, clear codes and recheck for codes. See CLEARING CODES. If DTC immediately returns, malfunction is considered to be a hard fault. If a DTC does not immediately return, vehicle may need to be driven in a special pattern to cause code to reset. See DRIVE CYCLES .
- If one or more DTCs retrieved, service DTCs in order scan tool displayed them. Go to appropriate DTC test. If no DTCs or DTC P0000 (pass code) retrieved, proceed to TESTS W/O CODES article.
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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.