TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
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SR/Steering92 / 96
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STEERING — Power Steering (Progressive Power Steering) — MK3 Supra Steering, page 92
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SR-92 STEERING — Power Steering (Progressive Power Steering) CONTINUED FROM PREVIOUS PAGE Yes Check 2. Check that there is continuity between the ECU terminal GND and body ground. GND SP2197 Yes No • Open circuit in wire harness between the ECU terminal GND and body ground. • Body ground faulty. Check 3. (a) Jack up the rear wheel on one side. (b) Connect an ohmmeter between the ECU connector terminals SPD and GND. (c) Spin the rear wheel and check that the meter needle deflects from 0 Ω to ∞ Ω. SPD GND SP2088 Yes No • Open or short circuit in wire harness between the ECU terminal SPD and speed sensor. • Speed sensor faulty (See page BE-84). Check 4. Check that there is no continuity between terminals SOL ① or SOL ② and GND. GND SOL① or SOL② SP2199 Yes No • Short circuit in wire harness between the terminals SOL ① and SOL ②. • Solenoid valve faulty. CONTINUED ON NEXT PAGE