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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1453 (Suspension Control System - Suspension Leveling) >> Diagnostic Information and Procedures >> DTC 002 >> Circuit Description

Circuit Description

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

The Air Suspension Compressor Assembly sends a PWM voltage to the left height sensor at 25ms intervals on the air suspension sensor signal circuit. The Air Suspension Compressor Assembly then measures the return voltage on the air suspension sensor low reference circuit and determines the vehicle height.

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