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.
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HOMESERVICE MANUALSNISSAN-DATSUN2003FRONTIER BASE, STANDARDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLBRAKE CONTROL SYSTEMVDC/TCS/ABSTROUBLE DIAGNOSISCONSULT-II FUNCTIONSSELF-DIAGNOSISOPERATION PROCEDURE
2003 Nissan-Datsun Frontier Base, Standard
Operation Procedure
2003 Nissan-Datsun Frontier Base, StandardSECTION Operation Procedure
- Perform "BASIC INSPECTION " using information from customer.
- After ignition switch is turned OFF, connect CONSULT-II to data link connector.
- Start engine and drive at approximately 30 km/h (19 MPH) for approximately 1 minute.
- After stopping vehicle, with engine still idling, touch "START", "ABS", and "SELF-DIAG RESULTS" on CONSULT-II screen in this order.CAUTION: Just after starting engine, or turning ignition switch ON, "ABS" may not be displayed on system selection screen even if "START" is touched. In this case, start self-diagnosis again from step 2. If it cannot be shown after several attempts, ABS actuator and electric unit (control unit) may have malfunctioned. Replace ABS actuator and electric unit (control unit). Refer to "ABS ACTUATOR AND ELECTRIC UNIT ".
- Self-diagnosis result is displayed. (If necessary, touch "PRINT" to print self-diagnosis result.)
- When "NO FAILURE" is shown, check ABS warning lamp, VDC OFF indicator lamp, SLIP indicator lamp. Refer to "FOR FAST AND ACCURATE DIAGNOSIS ".
- CONSULT-II self-diagnosis results are displayed without regard to occurrence timing. In some cases later ones (timing value is small) appear on next screen.
- Go to appropriate "Inspection" chart according to "Display Item List", and repair or replace as necessary.
- Start engine and drive at approximately 30 km/h (19 MPH) for approximately 1 minute.CAUTION:
- Check again to make sure that there is no malfunction on other parts.
- Turn ignition switch OFF to prepare for erasing memory.
- Start engine and touch "START", "ABS", "SELF-DIAGNOSIS RESULTS", and "ERASE MEMORY" on CONSULT-II screen in this order to erase memory.CAUTION: If memory cannot be erased, return to step 6.
- Drive vehicle at approximately 30 km/h (19 MPH) and check that ABS warning lamp, VDC OFF indicator lamp, and SLIP indicator lamp stay off.
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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.