Jetta L4-2.0L (AEG) (2000)
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Measure resistance between terminals -1- + -4- of switch.
Specified value with brake pedal not depressed: Infinity ohms
Specified value with brake pedal depressed: max. 1.5 ohms
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Measure resistance between terminals -2- + -3- of switch.
Specified value with brake pedal not depressed: 1.5 ohms
Specified value with brake pedal depressed: max. Infinity ohms
If the specified values are not obtained:
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Replace brake light switch -F- and brake pedal switch -F47-.
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Check DTC memory. If necessary, repair any malfunctions and erase DTC memory.
See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes
See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Clearing Diagnostic Trouble Codes
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Display readiness code. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If DTC memory has been erased or the Engine Control Module (ECM) was disconnected from permanent battery (B+) voltage, generate the
readiness code again. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If the specified values are obtained:
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Remove wiper arms and plenum chamber cover.
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Connect VAG1598/22 test box to control module wiring harness.
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Check wiring between test box and 4-pin harness connector for open circuit according to wiring diagram.
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Terminal -3- + socket 48
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Terminal -4- + socket 47
Wire resistance: max. 1.5 ohms