TSRM/MK4 Supra/Repair Manual
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BAT/Brakes, ABS & TRAC Systems — ECU Data Monitor Using Toyota Hand–held Tester, page 63

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ECU Data Monitor Using Toyota Hand–held Tester — MK4 Supra Brakes, ABS & TRAC Systems, page 63
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Page text (OCR transcript)
BR–63
BRAKE SYSTEM – ANTI–LOCK BRAKE SYSTEM (ABS)

ECU DATA MONITOR USING TOYOTA HAND–HELD TESTER
1. Hook up the TOYOTA hand–held tester to the DLC2.
2. Monitor the ECU data by following the prompts on the tester screen.
HINT: TOYOTA hand–held tester has a "Snapshot" function which records the monitored data.
Please refer to the TOYOTA hand–held tester operator's manual for further details.

F15997

Diagnostic Trouble Code of Speed Sensor Check Function

Code No. | Diagnosis | Trouble Area
71 | Low output voltage of right front speed sensor | Right front speed sensor
Sensor installation
72 | Low output voltage of left front speed sensor | Left front speed sensor
Sensor installation
73 | Low output voltage of right rear speed sensor | Right rear speed sensor
Sensor installation
74 | Low output voltage of left rear speed sensor | Left rear speed sensor
Sensor installation
75 | Abnormal change in output voltage of right front speed sensor | Right front speed sensor rotor
76 | Abnormal change in output voltage of left front speed sensor | Left front speed sensor rotor
77 | Abnormal change in output voltage of right rear speed sensor | Right rear speed sensor rotor
78 | Abnormal change in output voltage of left rear speed sensor | Left rear speed sensor rotor