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.
2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Section 15 (Engine Controls - System & Component Testing)
WARNING: This page is about a different car, the 2002 Isuzu Trooper, 2002 Isuzu Rodeo Sport, 2002 Isuzu Rodeo, 2002 Isuzu Axiom, and 2002 Honda Passport. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Computerized Engine Controls
- Emission Systems & Sub-Systems
- Engine Sensors & Switches
- Fuel System
- Notes
- Electronic Throttle Control System
- Fuel Delivery
- Fuel Pressure Test
- Fuel Pressure Regulator
- Fuel Injection
- Fuel Injector Balance Test
- Fuel Injector Coil Test
- Fuel System Pressure Release
- Fuel Tank Leak Check
- Idle Air Control System Check (Rodeo & Rodeo Sport 2.2L)
- Idle Air Control Valve (Axiom & Trooper)
- Ignition Systems
- Miscellaneous Powertrain Control Module Controls
- A/C Clutch Control (Axiom & Trooper)
- A/C Clutch Control (Rodeo & Rodeo Sport 2.2L)
- A/C Clutch Relay
- A/C Clutch Circuit Diagnosis
- Brake Light Switch (Rodeo & Rodeo Sport 2.2L)
- Brake Light Switch (Axiom, Passport, Rodeo 3.2L & Rodeo Sport 3.2L)
- Brake Light Switch (Trooper)
- Brake Light Switch With Cruise Control
- Malfunction Indicator Light Does Not Illuminate Or Remains Illuminated
- Misfire Monitor Diagnosis
- Modules & Relays
- Component Locations
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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