BR–163 BRAKE SYSTEM – TRACTION CONTROL SYSTEM (TRAC) Tc Terminal Circuit CIRCUIT DESCRIPTION By connecting terminals Tc and E1 of DLC1 or DLC2, the ECU displays the diagnostic trouble code by blinking the TRAC indicator light. WIRING DIAGRAM ABS & TRAC ECU TRAC ECU 12 V 12 V Tc 23 P-B DLC2 P-B 11 Tc A20 T9 18 IJ1 3 E1 Tc 4 P-B P-B BR BR 3 E1 Tc 21 11 II1 11 IF1 DLC1 R07068