LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 1990 >> Thunderbird Base >> Repair and Diagnosis >> Steering >> Power Steering >> Steering System - Variable Assist >> Testing >> Quick Test A4 >> Vehicle Speed Sensor Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Vehicle Speed Sensor Check

Raise back wheels off ground on jack stands. Start vehicle. Hold steering wheel straight. Increase speed to greater than 15 MPH. If light illuminates at speed greater than 15 MPH, proceed to QUICK TEST A4.1  . If light does not illuminate at speed greater than 15 MPH, proceed to QUICK TEST D1  .

scientia non olet · About LEMON Manuals