Steering Control Module: Description and Operation

Steering Control Module
The power-assisted steering control module (PAS CM) performs the same functions as the 1995 - 1997 MY Sedan Range module by varying the amount of steering assist according to vehicle speed. It is located above the passenger footwell near the "A" post. The PAS CM converts a B+ voltage pulsed vehicle speed signal from the instrument pack to a variable current signal. The variable current signal drives the PAS control valve converter (transducer), which acts on the pinion control valve assembly to vary the amount of hydraulic assist pressure. At low vehicle speeds the steering assist pressure is high and it progressively reduces as the vehicle speed increases.