Jetta GL L4-1.9L DSL Turbo (ALH) (2001)
Both displays must change from 0 to 1 at same time.
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Specification: x 1 1
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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
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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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Switch ignition off.
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
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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. See: Testing and Inspection/Reading and Clearing Diagnostic
Trouble Codes/Reading Diagnostic Trouble Codes
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Read readiness code. See: Testing and Inspection
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. See: Testing and Inspection
If the specifications are obtained:
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Remove wiper arms and plenum cover.