TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.162

BAT/Brakes, ABS & TRAC Systems — Tc Terminal Circuit, page 163

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p.164
Tc Terminal Circuit — MK4 Supra Brakes, ABS & TRAC Systems, page 163
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Page text (OCR transcript)
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