TSRM/MK3 Supra/Repair Manual
Repair ManualWiring DiagramsCommunity Fixes
p.071

BR/Brake System, page 72

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Brake System — MK3 Supra Brake System, page 72
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Page text (OCR transcript)
BR-72			BRAKE SYSTEM — Anti-lock Brake System (A.B.S.)

Tester Connection	Check Item	Condition	Voltage or Resistance Value

SFL — AST	Resistance	Ignition switch off	About 1 Ω

STP — Body ground	Voltage	Ignition switch off and brake pedal depressed	Battery voltage

	Continuity	Ignition switch off and brake pedal returned	Continuity

T — Body ground	Continuity	Ignition switch off	Continuity

SFR — AST	Resistance	Ignition switch off	About 1 Ω

MT — Body ground	Continuity	Ignition switch off	Continuity

AST — Body ground	Continuity	Ignition switch off	Continuity

MR — R ⊙	Resistance	Ignition switch off	50 — 80 Ω

PKB — Body ground	Voltage	Ignition switch on and PKB lever pulled	About 0 V

		Engine running and PKB lever returned	Battery voltage

NL — Body ground	Voltage	Ignition switch on and shift into "N" range	Battery voltage

PL — Body ground	Voltage	Ignition switch on and shift into "P" range	Battery voltage

FR ⊙ — FR ⊙	Resistance	Ignition switch off	0.8 — 1.3 kΩ

GND1 — Body ground	Continuity	Ignition switch off	Continuity

BAT — Body ground	Voltage		Battery voltage

IG — Body ground	Voltage	Ignition switch on	Battery voltage

SRR — AST	Resistance	Ignition switch off	About 1 Ω

R ⊙ — Body ground	Continuity	Ignition switch off	No continuity

RR ⊙ — Body ground	Continuity	Ignition switch off	No continuity

FR ⊙ — Body ground	Continuity	Ignition switch off	No continuity

FL ⊙ — Body ground	Continuity	Ignition switch off	No continuity

FL ⊙ — FL ⊙	Resistance	Ignition switch off	0.8 — 1.3 kΩ

GND2 — Body ground	Continuity	Ignition switch off	Continuity

ECT — Body ground	Voltage	Ignition switch on and shift into "N" or "P" range	About 5 V

SR — R ⊙	Resistance	Ignition switch off	65 — 100 Ω

(b) Connect the connectors, and install the computer in place.
(c) Install the glove box.