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Ecu Pin Voltage

ABS ECU PIN VOLTAGE SPECIFICATIONS

Measure Between ECM Terminals (1) Conditions Volts
A24-13 & A24-12 Or A24-25 Ignition On 10-14
A23-7 & A24-26 Ignition On & ABS Warning Light Off Less Than 1.5
A23-1 & A24-26 (2) Ignition On & ABS Warning Light Off 10-14
A24-2 & A24-12 Or A24-25 Ignition On & ABS Warning Light Off 10-14
A24-1 & A24-12 Or A24-25 Ignition On & ABS Warning Light Off 10-14
A23-5 & A24-12 Or A24-25 Ignition On & ABS Warning Light Off 10-14
A23-6 & A24-12 Or A24-25 Ignition On & ABS Warning Light Off 10-14
A23-12 & A24-12 Or A24-25 Ignition On & ABS Warning Light Off 10-14
A23-11 & A24-12 Or A24-25 Ignition On & ABS Warning Light Off 10-14
A23-4 & A24-12 Or A24-25 Ignition On & ABS Warning Light Off 10-14
A24-11 & A24-12 Or A24-25 Ignition On & ABS Warning Light Off Less Than 2.0
A24-11 & A24-12 Or A24-25 Ignition On & ABS Warning Light Off 10-14
A24-5 & A24-12 Or A24-25 Stop Light Switch Off Less Than 1.5
A24-5 & A24-12 Or A24-25 Stop Light Switch On 8-14
A24-24 & A24-12 Or A24-25 Ignition On & ABS Warning Light Off 10-14
A23-10 & A24-12 Or A24-25 Ignition On Less Than 1.5
A24-8 & A24-12 Or A24-25 Ignition On 10-14
A24-21 & A24-12 Or A24-25 Ignition On 10-14
A23-3 & A23-9 Ignition On & Slowly Turning R/F Wheel AC Generation
A23-8 & A23-2 Ignition On & Slowly Turning L/F Wheel AC Generation
A24-10 & A24-23 Ignition On & Slowly Turning R/R Wheel AC Generation
A24-22 & A24-9 Ignition On & Slowly Turning L/R Wheel AC Generation
(1) See Fig 1.
(2) On 1997 models, manufacturer does not mention condition of ABS waring light.
Fig 1: Identifying A23 & A24 ABS ECU Connector Terminals
G98H07590Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002