Porsche 996 TT, Repair Manual

Page: 1743 / 2099

Plug connection
−6− Push crimp sockets into the plug −6− until the sockets engage. Observe line
routing and secure with tie wrap.
Installing front
seat => Removing front seat
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Tools
Item Designation Special tool Explanation:
1 Press−out tool for the crimp sockets No. 155 Gr. 2.4; Workshop Equipment Manual
2 Multimeter Gr. 2.5; Workshop Equipment Manual
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Test plan for the front seat height adjustment
In the case of the complaint "seat height adjustment does not function", proceed according to test plan. As the
seat functions vary, the test plan complies with the seat version with seat memory adjustment. Work aids: Use
wiring diagram and multimeter => Tools
Work instruction Correct result
Incorrect
result
1 Actuate switch on seat for seat height adjustment, observe
end position.
Switch in control module
is audible ’ Step 3 ’ Step 2
2 Check fuse in the fuse box for the seat height adjustment. ’ Step 3 Replace fuse
and perform
function test
’ End
3 Measure the battery voltage on plug X 16/X 17 without
memory or terminals 30 and 31 on the memory SG (see
wiring diagram) using a multimeter.
> 11V ’ Step 4
If a function is not
audible under step 1,
replace the control
module memory. Check plug
connection
and wiring
’ End
4 Measure the voltage on the inserted plug for the seat height
adjustment (on control module memory or below the seat −
without memory) using a multimeter. Actuate the seat
height adjuster switch with probe tip + on RE and with
probe tip − on BK.
> 4 V, when switching
from front − back, the
voltage switches from +
to − ’ Step 5 Replace
switch
’ End
5 Remove motor and check input shaft. Remove faulty part
’ End
einordnung
Tools 1680