Jetta GL L4-1.9L DSL Turbo (ALH) (2001)
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Downshift Switch: Description and Operation
4 Speed Automatic 01M
Kickdown switch -F8-
For On Board Diagnostic (OBD)
On vehicles without an accelerator cable, the kick-down switch signal is transmitted from the engine control module to the automatic transmission
control module.
On vehicles with CAN-bus the automatic transmission control module receives the kick-down signal from the CAN bus.
On vehicles without CAN-bus, the signal is received via a wire from the engine control module.
