LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volkswagen >> 1987 >> Vanagon Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> BOSCH AFC System >> Testing >> Throttle Valve Switch >> Switch Wiring
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Switch Wiring

Turn ignition on. Disconnect wiring lead from throttle valve switch. Using voltmeter, check voltage between both terminals of wiring lead. Reading should be approximately 5 volts. If voltage is incorrect, check for break in wiring or defective ECU.