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.
1996 Nissan-Datsun Sentra BaseFACTORY OEM SERVICE PROCEDURE
Engine Controls - Tests W/Codes 1.6L
- Introduction
- Description & Operation
- Self-Diagnostics Using Mil
- Self-Diagnostics Using Scan Tool
- Additional System Features
- Final Check
- Summary
- Diagnostic Trouble Code Definitions
- Connector Identification
- Circuit Tests
- DTC P0100 - Mass Airflow (MAF) Sensor
- DTC P0110 - Intake Air Temperature (IAT) Sensor
- DTC P0115 Or DTC P0125 - Engine Coolant Temperature (ECT) Sensor
- DTC P0120 - Throttle Position (TP) Sensor
- DTC P0130 - Front Heated Oxygen (O2) Sensor
- DTC P0130 - Closed Loop Control
- DTC P0135 - Front Heated Oxygen Sensor (Ho2S)
- DTC P0136 - Rear Heated Oxygen Sensor (Ho2S)
- DTC P0170 - Fuel Injection System
- DTC P0300/DTC P0304 - Cylinder Or Multiple Cylinder Misfire
- DTC P0325 - Knock Sensor
- DTC P0335 Or P1336 - Crankshaft Position (CKP) Sensor
- DTC P0340 - Camshaft Position (CMP) Sensor
- DTC P0400 - EGR Function
- DTC P0402 - EGR Control BACKPRESSURE Transducer (EGRC-BPT) Valve
- DTC P0420 - 3-Way Catalyst Function
- DTC P0500 - Vehicle Speed Sensor (VSS)
- DTC P0505 - Idle Air Control Valve - Auxiliary Air Control (IACV-AAC)
- DTC P0605 - ECM-ECCS Control Module
- DTC P0705 - Park/Neutral Position Switch
- DTC P1110 - Valve Timing Control (VTC)
- DTC P1320 - Ignition Signal
- DTC P1336 - Crankshaft Position (CKP) Sensor
- DTC P1400 - EGR Valve & EVAP Canister Purge Control Solenoid Valve
- DTC P1401 - EGR Temperature Sensor
- DTC P1550 - Torque Converter Clutch Solenoid Valve
- DTC P1900 - Cooling Fan Circuit
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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