A4 Quattro Wagon V6-2.8L (AHA) (1998)
Throttle Full Close Switch: Testing and Inspection
Closed Throttle Position (CTP) Switch, Checking
NOTE: The Closed Throttle Position (CTP) switch -F60- is inside the throttle valve control module -J338-.
Test conditions
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Throttle valve in closed throttle position; if necessary adjust accelerator pedal cable
-
Cruise control adjustment OK
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Power supply for throttle valve control module OK; Refer to "Throttle Valve Control Module Power Supply, Checking" See: Electronic Throttle
Control Module/Testing and Inspection
Checking
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Connect VAG1551 or VAG1552 scan tool and press buttons -0- and -1- to insert "Engine Electronics" address word 01 (with engine running at
idle). Refer to "Scan Tool Testing/Scan Tool Connecting and Initial Checks/Connecting VAG 1551/1552 Scan Tool" See: Testing and Inspection
Indicated on display
Rapid data transfer
HELP
Select function XX
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Press buttons -0- and -8- to select "Read Measuring Value Block" function 08, and press -Q- button to confirm input.
Indicated on display
Read Measuring Value Block
HELP
Input display group number XXX
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Press buttons -0-, -0- and -5- to input display group number 5 (005), and press -Q- button to confirm input.
Indicated on display (1-4 = display fields)
Read Measuring Value Block 5
->
1 2 3 4
-
Check Closed Throttle Position (CTP) switch (display field 4):
Display Group 5
Continuation
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Switch ignition off.
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Connect VAG1598/22 test box to ECM harness connector. Refer to "Scan Tool Testing/Scan Tool Connecting and Initial Checks/Connecting
VAG 1598/22 Test Box" See: Testing and Inspection
-
Connect multimeter US1119 (Fluke 83 or similar) and check resistance between test box sockets 67 and 69.