TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.016
IN/Introduction17 / 44
p.018
FOR VEHICLES EQUIPPED WITH TRACTION CONTROL (TRAC) SYSTEM — MK4 Supra Introduction, page 17
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IN–16 INTRODUCTION – PRECAUTION FOR VEHICLES EQUIPPED WITH TRACTION CONTROL (TRAC) SYSTEM When using a rear wheel two–wheel drum tester such as a speedometer tester or chassis dynamometer, etc., or jacking up the rear wheels and driving the wheels, always push in the TRAC cut ("TRAC OFF") switch and turn the TRAC system OFF. TRAC OFF Indicator Light TRAC OFF TRAC Cut Switch TRAC OFF N08991 CONFIRM TRAC SYSTEM IS OFF 1. Press the TRAC cut ("TRAC OFF") switch. 2. Check that the TRAC OFF indicator light comes on when the TRAC system is turned off by the TRAC cut switch. HINT: The TRAC indicator light should always operate right after the engine is restarted. N08870 3. Begin measurements. TRAC N08990 4. Press the TRAC cut switch again to change the TRAC to operative and check that the TRAC OFF indicator light goes off. HINT: The TRAC indicator light blinks when the TRAC system is operative.