TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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BAT/Brakes, ABS & TRAC Systems — Inspection Procedure, page 90

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p.091
Inspection Procedure — MK4 Supra Brakes, ABS & TRAC Systems, page 90
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Page text (OCR transcript)
BR–90
BRAKE SYSTEM – ANTI–LOCK BRAKE SYSTEM (ABS)

INSPECTION PROCEDURE

1  Check speed sensor.

Front

Front
1. Remove front fender splash shield.
2. Disconnect speed sensor connector.

Measure resistance between terminals 1 and 2 of speed sensor connector.

OK  Resistance : 0.7 — 1.7 kΩ

Measure resistance between terminals 1 and 2 of speed sensor connector and body ground.

OK  Resistance : 1 MΩ or higher

Rear

Rear
1. Remove rear set cushion, seat back and quarter trim panel.
2. Disconnect speed sensor connector.

Measure resistance between terminals 1 and 2 of speed sensor connector.

OK  Resistance : 0.7 — 1.7 kΩ

Measure resistance between terminals 1 and 2 of speed sensor connector and body ground.

OK  Resistance : 1 MΩ or higher

BR5425
#07086

OK                    NG  Replace speed sensor.

NOTICE: Check the speed sensor signal last (See page BR–62).

2  Check for open and short in harness and connector between each speed sensor and ECU (See page IN–30).

OK                    NG  Repair or replace harness or connector.