LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 1998 >> SC 300 >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel >> Component Tests >> Speedometer
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Tests: Speedometer

Ensure tires are correct size and inflated properly. Place vehicle on standard speedometer tester. Compare tester and speedometer readings. See SPEEDOMETER TEST  table. If vehicle speedometer readings are not within allowable range, replace speedometer.

SPEEDOMETER TEST

Standard Indication (MPH) Allowable Range (MPH)
20 (32) 18-24 (29-39)
40 (64) 38-44 (61-71)
60 (97) 56-66 (90-106)
80 (129) 78-88 (126-142)
100 (161) 98-110 (158-177)
120 (193) 118-132 (190-212)