Nissan 240SX/Altima 1993-1998 Repair Guide

CRUISE CONTROL

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See Figures 1, 2, 3 and 4



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Fig. Fig. 1: The cruise control vacuum pump is located at the rear, driver's side of the engine compartment



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Fig. Fig. 2: Cruise control vacuum pump fastener locations



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Fig. Fig. 3: The two bottom vacuum pump fasteners are accessed through the fender well



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Fig. Fig. 4: Two main components of the cruise control system are the vacuum pump (right) and vacuum actuator (left)

Nissan refers to their cruise control as the Automatic Speed Control Device (ASCD) system. The ASCD system maintains a desired speed of the vehicle under normal driving conditions. The cruise control system's main parts are the control switches, control unit, actuator, speed sensor, vacuum pump, vacuum pump relay, vacuum switch, electrical release switches and electrical harness.

The use of the speed control is not recommended when driving conditions do not permit maintaining a constant speed, such as in heavy traffic or on roads that are winding, icy, snow covered or slippery.

 
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