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.
1995 Nissan-Datsun Sentra BaseFACTORY OEM SERVICE PROCEDURE
Engine Controls - Tests W/Codes 1.6L
- Introduction
- Self-Diagnostic System
- Final Check
- Summary
- Diagnostic Trouble Code (DTC) Tests
- Notes
- ECM Harness Connector
- DTC 11/P0340 - Camshaft Position (CMP) Sensor
- DTC 12/P0100 - Mass Airflow (MAF) Sensor
- DTC 13/P0115 - Engine Coolant Temperature (ECT) Sensor
- DTC 14/P0500 - Vehicle Speed Sensor (VSS)
- DTC 21/P1320 - Ignition Signal
- DTC 25/P0505 - Idle Air Control Valve (IACV-AAC)
- DTC 28/P1900 - Cooling Fan Circuit
- DTC 31/P0605 - ECM
- DTC 32/P0400 - EGR Function
- DTC 33/P0130 - Front Heated Oxygen Sensor (Ho2S)
- DTC 34/P0325 - Knock Sensor (KS)
- DTC 35/P1401 - EGR Temperature Sensor
- DTC 36/P0402 - EGR Control BACKPRESSURE Transducer (EGRC-BPT) Valve
- DTC 37/P0130 - Closed Loop Control
- DTC 41/P0110 - Intake Air Temperature (IAT) Sensor
- DTC 43/P0120 - Throttle Position Sensor (TPS)
- DTC 65, 66, 67, 68, Or 71/P0304-P0300 - Cylinder Or Multiple Cylinder Misfire
- DTC 72/P0420 - 3-Way Catalyst Function
- DTC 76/P0170 - Fuel Injection System
- DTC 77/P0136 - Rear Heated Oxygen Sensor (Ho2S)
- DTC 82/P0335 - Crankshaft Position (CKP) Sensor
- DTC 85/P1110 - Valve Timing Control (VTC)
- DTC 91/P0135 - Front Heated Oxygen Sensor (Ho2S)
- DTC 94/P1550 - Torque Converter Clutch (TCC) Solenoid Valve
- DTC 95/P1336 - Crankshaft Position (CKP) Sensor
- DTC 98/P0125 - Engine Coolant Temperature (ECT) Sensor
- DTC 103/P0705 - Inhibitor/Neutral Position Switch
- DTC 105/P1400 - EGR & Canister Control Valve
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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