X-90 (4WD) L4-1591cc 1.6L SOHC MFI (1998)
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4WD Switch: Description and Operation
(4WD Model only)
This switch, mounted on the transfer case, turns "ON" when the transfer shift lever is in either four-wheel drive position: "4H" or "4L".
At the same time, the indicator light in combination meter comes on when ignition switch is in the "ON" position.
Antilock Brake System (ABS) control module uses this signal as one of the signals for ABS control.
