40268-h-088 Apr 2026

Prevents the dreaded suspension warning lights on your dash.

Always disconnect the battery before plugging in the harness to avoid shorting the sensitive ASC680 unit.

The (often sold under the product code H-088 ) is a dedicated application-specific harness. It is designed to connect the Data System ASC680 Air Suspension Controller directly to your car’s factory wiring without cutting or splicing. Key Specifications: 40268-H-088

On many Nissan models of this era, the ECU is tucked away in the trunk or under the passenger-side dash. Consult your service manual first.

When dealing with air suspension, "close enough" isn't good enough. Using a genuine H-088 harness ensures: Prevents the dreaded suspension warning lights on your dash

Relays signals between the ECU and the air suspension valves to allow for height adjustments via the digital controller. Why Quality Harnesses Matter

Maximizing Precision: A Guide to the 40268-H-088 Air Suspension Harness It is designed to connect the Data System

Optimized for late-80s and early-90s Nissan luxury chassis (Y31).