TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.112

BAT/Brakes, ABS & TRAC Systems — Inspection Procedure., page 113

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p.114
Inspection Procedure. — MK4 Supra Brakes, ABS & TRAC Systems, page 113
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Page text (OCR transcript)
BR–113
BRAKE SYSTEM – ANTI–LOCK BRAKE SYSTEM (ABS)

INSPECTION PROCEDURE.

1  Check voltage between terminals Tc and E1 of DLC2 or DLC1.

DLC2                    DLC1
                E1          Tc

Tc    E1

5-17-1
In-23-1-A

P  Turn ignition switch ON.

C  Measure voltage between terminals Tc and E1 of DLC2 or DLC1.

OK  Voltage: 10 – 14 V

NG

OK  If ABS warning light does not blink even after Tc and E1 are connected, the ECU may be defective.

2  Check for open and short in harness and connector of systems connected to Tc terminal (See page IN–30).

OK

NG  Repair or replace harness or connector.

Check or replace ABS (& TRAC) ECU.