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 MANUALSAUDI2004A4 BASE, 4D SEDAN, 3.0 TREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTHEATED GLASS/DEFOGGERSON BOARD DIAGNOSTIC (OBD)AUTOMATIC CLIMATE CONTROL SYSTEM, ELECTRICAL TESTINGTEST STEP 1 TO 4TEST STEP 2TEMPERATURE DEPENDING RESISTANCE VALUES OF SENSOR / SENDER
2004 Audi A4 Base, 4D Sedan, 3.0 T
Temperature depending resistance values of sensor / sender
2004 Audi A4 Base, 4D Sedan, 3.0 TSECTION Temperature depending resistance values of sensor / sender
TEMPERATURE DEPENDING RESISTANCE VALUES OF SENSOR/SENDER
| Temperature measured at installation location of sensor °C | Resistance value Fresh Air Intake Duct Temperature Sensor -G89- (and also -G17-) kΩ | Resistance value of sensor -G150-, -G151-, -G261- and -G262- kΩ | Resistance value of sensor G263- kΩ |
|---|---|---|---|
| -30 | 18.10 | (141.00) | (52.20) |
| -20 | 9.95 | (85.00) | (27.75) |
| -10 | 5.59 | (47.00) | (15.50) |
| 0 | 3.28 | 29.00 | 9.00 |
| 5 | 2.54 | 23.20 | 6.96 |
| 10 | 1.99 | 18.60 | 5.44 |
| 15 | 1.57 | 15.00 | 4.28 |
| 20 | 1.25 | 12.20 | 3.40 |
| 25 | 1.00 | 10.00 | 2.72 |
| 30 | 0.80 | 8.20 | 2.19 |
| 35 | 0.65 | 6.80 | 1.78 |
| 40 | 0.53 | 5.70 | 1.46 |
| 50 | 0.36 | 4.00 | 1.00 |
| 60 | 0.25 | 2.90 | 0.69 |
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.