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 Frontier Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Inspection Procedure

Turn ignition switch OFF.
Connect "CONSULT-II" and CONSULT-II CONVERTER to data link connector which is located behind the fuse box cover.
Turn ignition switch ON.

Fig 1: Connecting Consult-II And Consult-II Converter To Data Link Connector
Courtesy of NISSAN MOTOR CO., U.S.A.
Touch "START (NISSAN BASED VHCL)".

Fig 2: Scan Tool Display - Consult-II
Courtesy of NISSAN MOTOR CO., U.S.A.
Touch "ENGINE".
If "ENGINE" is not indicated, go to "CONSULT-II DATA LINK CONNECTOR (DLC) CIRCUIT ".

Fig 3: Scan Tool Display - Select System
Courtesy of NISSAN MOTOR CO., U.S.A.
Perform each diagnostic test mode according to each service procedure.
For further information, see the CONSULT-II Operation Manual .

Fig 4: Scan Tool Display - Select Diag Mode

Courtesy of NISSAN MOTOR CO., U.S.A.

Factory Service Tools

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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.