Audi Q7 2007 Repair Manual page 51

– Fold the floor covering to the side -arrow-.
– Remove nuts -1 to 4- and remove left locking flange cover.
– Disconnect electrical harness connector -1- at left locking
flange.
Note
Ignore item -2-.
– Connect multimeter between terminals -2 and 3- to measure
resistance.
Fuel Level Sensor 2 - G169- installed:
• Sensor at lower stop: 760 to 842 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 2 - G169- must be removed. Refer to
⇒ "2.13 Fuel Level Sensor 2 G169 , Removing and Installing",
page 48 and the sensor floater must be placed in upper or
lower end position.
With Fuel Level Sensor 2 - G169- removed, the following val‐
♦
ues are obtained because of the greater deflection of the
floater arm:
Fuel Level Sensor 2 - G169- 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 left seat cushion in the second row. Refer to ⇒ Body
Interior; Rep. Gr. 72 .
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permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
2. Fuel Pump, Fuel Delivery Unit and Fuel Level Sensor
Audi Q7 2007 ➤
Fuel Supply System - Edition 10.2018
47