TSRM/MK3 Supra/Repair Manual
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SR/Steering — Progressive Power Steering (Pps) Electronic Circuit, page 90

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p.091
Progressive Power Steering (Pps) Electronic Circuit — MK3 Supra Steering, page 90
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Page text (OCR transcript)
SR-90

STEERING — Power Steering (Progressive Power Steering)

Progressive Power Steering (PPS)

ELECTRONIC CIRCUIT

Do not open the cover or the case of the ECU and various computer unless absolutely necessary. (If the IC terminals are touched, the IC may be destroyed by static electricity.)

Gear Housing

Flow Dividing Valve

Power Steering Pump

Hydraulic Reaction Chamber

Speed Sensor

ECU

Solenoid Valve

Ignition Switch

Fuse (ECU-IG)

ECU

+B

Fusible Link

SPD

Solenoid Valve

Speed Sensor

SOL ⊕

Battery

SOL ⊖

GND

+B

SQL ⊕

SPD
GND
SOL ⊖

SR94433