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Home >> Isuzu >> 2002 >> Rodeo Sport 2.2 D, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Power-Assisted Steering System) >> General Description >> Pressure Switch

Pressure Switch

WARNING: This page is about a different car, the 2002 Isuzu Rodeo and 2002 Honda Passport. However, it is still accessible from the selected car via links, so may be relevant.

When hydraulic pressure reaches 3430 kPa (500 psi), the pressure switch of the power steering pump closes causing the Powertrain Control Module (PCM) to actuate the throttle valve, which increases the engine RPM to prevent the overload-induced engine speed slow down. The switch opens when hydraulic pressure drops to 2940 kPa (430 psi).

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