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COMPRESSOR MOTOR RELAY SCS-21 < 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. 3. Check continuity between suspension control unit connector B3 (A) terminal 1 and compressor motor relay connector E130 (B) terminal 2. 4. Check continuity between suspension control unit connector B3 (A) terminal 1 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 COMPRESSOR MOTOR RELAY GROUND 1. Turn ignition switch OFF. 2. Check continuity between compressor motor relay connector E130 terminal 1 and ground. Is continuity present? YES >> GO TO 4. NO >> Repair harness or connector. 4. CHECK COMPRESSOR MOTOR RELAY POWER SUPPLY 1. Disconnect compressor motor relay connector E131. 2. Check voltage between compressor motor relay E131 terminal 5 and ground. Is battery voltage present? YES >> GO TO 5. NO >> Inspect fuse and repair harness or connector. 5. CHECK COMPRESSOR MOTOR RELAY OUTPUT A B Continuity Connector Terminal Connector Terminal B3 1 E130 2 Yes A — Continuity Connector Terminal B3 1 Ground No ALEIA0031GB Connector Terminal — Continuity E130 1 Ground Yes ALEIA0032GB (+) (-) Voltage Connector Terminal E131 5 Ground Battery voltage ALEIA0033GB |