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-DATSUN2004ALTIMA S, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEM - 2.5LTROUBLE DIAGNOSISCONSULT-II FUNCTIONFUNCTION
2004 Nissan-Datsun Altima S, Automatic
CONSULT-II Function: Function
2004 Nissan-Datsun Altima S, AutomaticSECTION Function
CONSULT-II FUNCTION
| Diagnostic test mode | Function | ||
|---|---|---|---|
| Work support | This mode enables a technician to adjust some devices faster and more accurately by following the indications on the CONSULT-II unit. | ||
| Self-diagnostic results | Self-diagnostic results such as 1st trip DTC, DTCs and 1st trip freeze frame data or freeze frame data can be read and erased quickly.(1) | ||
| Data monitor | Input/Output data in the ECM can be read. | ||
| Data monitor (SPEC) | Input/Output of the specification for Basic fuel schedule, AFM, A/F feedback control value and the other data monitor items can be read. | ||
| CAN diagnostic support monitor | The results of transmit/receive diagnosis of CAN communication can be read. | ||
| Active test | Diagnostic Test Mode in which CONSULT-II drives some actuators apart from the ECMs and also shifts some parameters in a specified range. | ||
| Function test | This mode is used to inform customers when their vehicle condition requires periodic maintenance. | ||
| DTC & SRT confirmation | The status of system monitoring tests and the self-diagnosis status/result can be confirmed. | ||
| ECM part number | ECM part number can be read. | ||
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RENDER: 1.0x
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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.