LEXUS SC400 1992: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS

General Information

NHTSA Campaign ID Number: 92V046000

Make Model Year
LEXUS SC400 1992
Date Owners Notified Date Received by ODI Date Added to Database
1992-03-27 1992-04-01 1992-04-09

Production Dates: 1991-04-01 - 1991-06-01

Manufacturers Involved: Toyota Motor Corporation

Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS

Potential Number Of Units Affected: 1415

Report Initiator: MFR MFR Report

Summary

THE ANTI-LOCK BRAKE/TRACTION CONTROL COMPUTER LOGIC PROGRAM WAS INCOMPLETE, RESULTING IN THE TRAPPING OF BRAKE FLUID PRESSURE IN THE REAR BRAKE LINES. FAILURE TO RELEASE THE REAR BRAKE LINE PRESSURE CAUSES A CONDITION WHERE BRAKE PEDAL APPLICATION RESULTS IN ACTIVATION OF THE FRONT BRAKE ONLY, AND CONTINUAL REAR BRAKE DRAG.

Consequence

FAILURE TO RELEASE THE HYDRAULIC PRESSURE IN THE REARBRAKE LINES CAUSES THE REAR BRAKES TO "DRAG" AND A CONDITION WHERE ONLY THEFRONT BRAKES ARE APPLIED WHEN THE BRAKE PEDAL IS DEPRESSED BY OPERATOR. THISRESULTS IN EARLY WEAR OF THE REAR BRAKE LINING, INCREASES OF STOPPING DISTANCES,AND POSSIBLE LOSS OF VEHICLE CONTROL AND A POSSIBLE ACCIDENT.

Remedy

REPLACE THE DEFECTIVE ANTI-LOCK BRAKE/TRACTION CONTROL COMPUTER, AND IF ANY BRAKE SYSTEM IS DAMAGED FROM THE DEFECTIVE OPERATION OF THE ANTI-LOCK BRAKE/TRACTION CONTROL SYSTEM, REPAIR THE DAMAGE AT NO COST.

Notes

SYSTEM: ANTI-LOCK BRAKES SYSTEM 'ABS'.VEHICLE DESCRIPTION: PASSENGER CARS WITH ANTI-LOCK BRAKE SYSTEMS.