TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.048
PS/Steering49 / 52
p.050
PPS SOLENOID VALVE INSPECTION — MK4 Supra Steering, page 49
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Yes CONTINUED FROM PREVIOUS PAGE SOL⊖ SOL⊕ Check 5. Measure the resistance between terminal SOL (+) and SOL (–). Standard resistance: 6 — 11 Ω R07588 Yes No • Open circuit in wire harness between the terminals SOL (+) and SOL (–). • Solenoid valve faulty. Check 6. Bad Replace ECU. Inspect ECU. W05684 PPS SOLENOID VALVE INSPECTION SR4680 SOL⊖ SOL⊕ SR4881 1. DISCONNECT PPS SOLENOID CONNECTOR (See page SR–33) 2. MEASURE RESISTANCE Measure the resistance between SOL ⊕ and SOL ⊖. Resistance: 6–11 Ω 3. CHECK PPS SOLENOID OPERATION (a) Connect the battery positive terminal to the solenoid terminal SOL ⊕. (b) Connect the battery negative terminal to the solenoid terminal SOL ⊖. (c) Check that the solenoid makes a 'clicks' sound. If faulty, replace the pressure control valve with the solenoid valve. NOTICE: • Do not apply voltage for more than 30 seconds to avoid burning out the solenoid. • If repeating this step, wait until the solenoid cools down enough that it can be touched by hand. 4. CONNECT PPS SOLENOID CONNECTOR