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Home >> Nissan-Datsun >> 1968 >> 520 Pickup Not Available Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 1968-69 DATSUN Pickup Engine Modification >> Testing >> Throttle Valve Switch

Throttle Valve Switch

Disconnect the test light wire from the transmission switch and connect it to the main terminal of the throttle valve switch. With the ignition key ON press down the accelerator pedal, and check to be sure that the test light is turned on, then release the accelerator pedal, sure that the lamp is not turned on.

Fig 1: Exhaust Emission System
G09355017Courtesy of NISSAN NORTH AMERICA, INC.