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EXHAUST VALVE SOLENOID CIRCUIT SCS-25 < COMPONENT DIAGNOSIS > C D F G H I J K L M A B SCS N O P 1. Turn ignition switch OFF. 2. Disconnect suspension control unit connector B3 and suspen- sion air compressor connector C9. 3. Check continuity between suspension control unit connector B3 (A) terminal 9 and suspension air compressor connector C9 (B) terminal 2. 4. Check continuity between suspension control unit connector B3 (A) terminal 9 and ground. Are the continuity test results as specified? YES >> Replace the suspension control unit. Refer to RSU-26, "Removal and Installation" . NO >> Repair harness or connector. 3. CHECK SUSPENSION AIR COMPRESSOR GROUND 1. Turn ignition switch OFF. 2. Check continuity between suspension air compressor connector C9 terminals 1 and 3 and ground. Is continuity present? YES >> Replace the suspension air compressor. Refer to 24, "Removal and Installation" . NO >> Repair harness or connector. A B Continuity Connector Terminal Connector Terminal B3 9 C9 2 Yes A — Continuity Connector Terminal B3 9 Ground No ALEIA0037GB Connector Terminal — Continuity C9 1 Ground Yes 3 ALEIA0038GB |