Jetta GL L4-1.9L DSL Turbo (ALH) (2001)
Both displays must change from 0 to 1 at same time.
Read measured value block 6
->
0 km/h
0 1 1
000000
255
-
Specification: x 1 1
-
Release brake pedal slowly into rest position again.
Both displays must change from 1 to 0 again.
Read measured value block 6
->
0 km/h
0 0 0
000000
255
-
Specification: x 0 0
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Press -> button.
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Press buttons -0- and -6- to select "End output" function 06 and confirm entry with -Q- button.
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Turn off ignition.
If one or both displays do not change:
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Disconnect 4-pin connector from brake light switch and brake pedal switch.
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Measure resistance between terminals 1 + 4 of switch.
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Specification: Brake pedal not depressed: Infinity ohms; Brake pedal depressed: max. 1.5 ohms
-
Measure resistance between terminals 2 + 3 of switch.
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Specification: Brake pedal not depressed: max. 1.5 ohms; Brake pedal depressed: Infinity ohms
If the specifications are not obtained:
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Replace Brake Light Switch -F- and Brake Pedal Switch -F47-.
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Check DTC memory and, if necessary, repair any malfunctions and then erase, refer to "Diagnostic Trouble Code (DTC) Memory, Checking and
Erasing" under "Vehicle/Powertrain Management/Fuel Delivery and Air Induction/Testing and Inspection" See: Powertrain
Management/Computers and Control Systems/Testing and Inspection
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Read readiness code.
If the DTC memory has been erased or the engine control module was disconnected from permanent battery positive (B+), the readiness code must be
generated again.
If the specifications are obtained:
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Remove wiper arms and plenum cover.