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.
2003 Nissan-Datsun Frontier Base, AutomaticFACTORY OEM SERVICE PROCEDURE
DTC Confirmation Test (Using CONSULT-II)
- Tighten fuel filler cap securely until ratcheting sound is heard. Turn ignition on. Turn ignition off and wait at least 10 seconds. Turn ignition on. Select DATA MONITOR mode with CONSULT-II.
- Ensure the following conditions are met:
2.4L Models
- COOLAN TEMP/S: 32-158°F (0-70°C).
- INT/A TEMP SE: 32-140°F (0-60°C).
3.3L Models
- COOLAN TEMP/S: 32-90°F (0-32°C).
- INT/A TEMP SE: more than 32°F (0°C).
- Select EVAP SML LEAK P0442/P1442 of EVAPORATIVE SYSTEM in DTC WORK SUPPORT mode with CONSULT-II. Follow instructions displayed.NOTE: If engine speed cannot be maintained within range displayed on CONSULT-II screen, perform BASIC INSPECTION. See ON-VEHICLE ADJUSTMENTS article.
- If OK is displayed, system is okay at this time. If NG is displayed, press SELF-DIAG RESULTS. If EVAP GROSS LEAK [P0455] is displayed, go to DIAGNOSTIC PROCEDURE . If P0442 is displayed, go to DIAGNOSTIC PROCEDURE under DTC P0442: EVAP CONTROL SYSTEM.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.