TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.058

BAT/Brakes, ABS & TRAC Systems — ECU Terminals Standard Value w/o TRAC:, page 59

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p.060
ECU Terminals Standard Value w/o TRAC: — MK4 Supra Brakes, ABS & TRAC Systems, page 59
100%
Page text (OCR transcript)
BRAKE SYSTEM – ANTI-LOCK BRAKE SYSTEM (ABS)
BR–59

ECU TERMINALS STANDARD VALUE
w/o TRAC:

A19
A18

13 12 11 10 9 8 7 6 5 4 3 2 1    8 7 6 5 4 3 2 1
26 25 24 23 22 21 20 19 18 17 16 15 14    16 15 14 13 12 11 10 9

ROE398

Symbols
(Terminals No.) | STD Voltage (V) | Condition

BAT – GND
(A19–25) – (A19–15) | 10 – 14 | Always

IG 1 – GND
(A19–12) – (A19–2) | 10 – 14 | IG switch ON

SR – R–
(A19–11) – (A19–24) | 9 – 14 | IG switch ON, ABS warning light OFF

MR – R–
(A19–23) – (A19–24) | Below 1.0 | IG switch ON

SFR – GND
(A19–1) – (A19–2) | 10 – 14 | IG switch ON, ABS warning light OFF

SFL – GND
(A19–13) – (A19–2) | 10 – 14 | IG switch ON, ABS warning light OFF

SRR – GND
(A19–26) – (A19–15) | 10 – 14 | IG switch ON, ABS warning light OFF

SRL – GND
(A19–14) – (A19–15) | 10 – 14 | IG switch ON, ABS warning light OFF

AST – GND
(A19–18) – (A19–15) | 10 – 14 | IG switch ON, ABS warning light OFF

WA – GND
(A18–13) – (A19–15) | Below 2.0 | IG switch ON, ABS warning light ON
                        | 10 – 14 | IG switch ON, ABS warning light OFF

PKB – GND
(A18–14) – (A19–15) | Below 1.5 | IG switch ON, PKB switch ON
                        | 10 – 14 | IG switch ON, PKB switch OFF

STP – GND
(A18–6) – (A19–2) | Below 1.5 | Stop light switch OFF
                    | 10 – 14 | Stop light switch ON

D/G – GND
(A18–4) – (A19–2) | 10 – 14 | IG switch ON, ABS warning light OFF

Tc – GND
(A19–5) – (A19–2) | 10 – 14 | IG switch ON

Ts – GND
(A18–15) – (A19–15) | 10 – 14 | IG switch ON

FR + – FR–
(A19–16) – (A19–3) | AC generation | IG switch ON
Slowly turn right front wheel

FL + – FL–
(A19–9) – (A19–22) | AC generation | IG switch ON
Slowly turn left front wheel

RR + – RR–
(A18–8) – (A18–16) | AC generation | IG switch ON
Slowly turn left rear wheel

RL + – RL–
(A18–9) – (A18–1) | AC generation | IG switch ON
Slowly turn left rear wheel

GS 1 – GND
(A18–12) – (A19–15) | 4 – 6 or 7 –11 | IG switch ON, Vehicle parked on a level surface

GS 2 – GND
(A18–3) – (A19–2) | 4 – 6 | IG switch ON, Vehicle parked on a level surface