Fuel Level Sensor G , Removing And Installing - Audi Q7 2007 Repair Manual

Audi Q7 2007 ➤
Fuel Supply System - Edition 10.2018
– Connect multimeter between terminals -2 and 3- to measure
resistance.
Fuel Level Sensor - G- installed:
• Sensor at lower stop: 863 to 960 Ω.
• Sensor at upper stop: 67 to 86 Ω.
Note
If measured value is 0 Ω there is a short circuit. If measured
♦
value is ∞ Ω there is and open circuit in the wiring.
To check resistance values "Tank full" or "Tank empty", the
♦
Fuel Level Sensor - G- must be removed and the floater on
the sensor must be placed in the upper or lower end position.
Refer to
⇒ "2.11 Fuel Level Sensor G , Removing and Installing", page
42 .
The following values are obtained when the Fuel Level Sensor
♦
- G- is removed because of the greater movement of the floater
arm:
Fuel Level Sensor - G- removed:
• Sensor at lower stop: approximately 990 Ω.
• Sensor at upper stop: approximately 51 Ω.
Assemble in reverse order of disassembling. Note the following:
– Install locking flange cover.
– Insert the frame into the floor covering. Refer to the Parts Cat‐
alog and ⇒ Body Interior; Rep. Gr. 70 .
– Install the right seat cushion in the second row. Refer to ⇒
Body Interior; Rep. Gr. 72 .
2.11 Fuel Level Sensor - G- , Removing and
Installing
Special tools and workshop equipment required
♦ Wrench - Fuel Sending Unit - T10202-
Removing
Follow all safety precautions. Refer to
⇒ "1 Safety Precautions", page 1
Follow the guidelines for clean working conditions. Refer to
⇒ "2.1 Fuel Supply and Injection System, Clean Working Condi‐
tions", page 3 .
– Position driver's seat as far back and up as possible using the
full seat adjustment range.
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Caution
Danger of causing damage to other electronic components
when disconnecting the battery.
♦ Complete the steps for disconnecting the battery.
– Disconnect the battery. Refer to ⇒ Electrical Equipment; Rep.
Gr. 27 .
42
Rep. Gr.20 - Fuel Supply
.