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
A/C and AV Switch Check
WARNING: This page is about a different car, the 2004 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK A/C AND AV SWITCH SELF-DIAGNOSIS FUNCTION
- Start A/C and AV switch self-diagnosis function. Refer to "A/C AND AV SWITCH SELF-DIAGNOSIS FUNCTION ".
- Operate voluntary switch.
Does A/C and AV switch operate normally?
- YES: INSPECTION END.
- NO: GO TO 2.
- CHECK A/C AND AV SWITCH POWER SUPPLY AND GROUND CIRCUIT
Check A/C and AV switch power supply and ground circuit. Refer to "POWER SUPPLY AND GROUND CIRCUIT CHECK FOR A/C AND AV SWITCH ".
OK or NG
- OK: Replace A/C and AV switch.
- NG: Repair portion which unusual function is found.
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.