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 Pathfinder SE, AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Controls - Tests W/Codes 3.3L
- 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 - Engine Coolant Temperature (ECT) Sensor
- DTC P0120 - Throttle Position (TP) Sensor
- DTC P0125 - Engine Coolant Temperature (ECT) Sensor
- DTC P0130 & P0150 - Closed Loop Control
- DTC P0130 - Front Heated Oxygen Sensor - Right Bank
- DTC P0135 - Front Heated Oxygen Sensor (Ho2S) Heater - Right Bank
- DTC P0136 - Rear Heated Oxygen Sensor (Ho2S) - Right Bank
- DTC P0141 - Rear Heated Oxygen Sensor (Ho2S) Heater - Right Bank
- DTC P0150 - Front Heated Oxygen Sensor (Ho2S) - Left Bank
- DTC P0155 - Front Heated Oxygen Sensor (Ho2S) Heater - Left Bank
- DTC P0156 - Rear Heated Oxygen Sensor (Ho2S) - Left Bank
- DTC P0161 - Rear Heated Oxygen Sensor (Ho2S) Heater - Left Bank
- DTC P0171 - Fuel Injection System Function - Right Bank (Lean Side)
- DTC P0172 - Fuel Injection System Function - Right Bank (Rich Side)
- DTC P0174 - Fuel Injection System Function - Left Bank (Lean Side)
- DTC P0175 - Fuel Injection System Function - Left Bank (Rich Side)
- DTCS P0300-P0306 - Cylinder Or Multiple Cylinder Misfire
- DTC P0325 - Knock Sensor
- DTC P0335 - Crankshaft Position (CKP) Sensor
- DTC P0340 - Camshaft Position (CMP) Sensor
- DTC P0400 - EGR Function
- DTC P0402 - EGR Control BACKPRESSURE Transducer (EGRC-BPT)
- DTC P0420 & P0430 - 3-Way Catalyst Function
- DTC P0500 - Vehicle Speed Sensor (VSS)
- DTC P0505 - Idle Air Control Valve Auxiliary Air Control (IACV-AAC)
- DTC P0600 - A/T Control
- DTC P0605 - ECM-ECCS Control Module
- DTC P0705 - Park/Neutral Position Switch
- 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 P1605 - Automatic Transmission (A/T) Control
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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