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TROUBLE DIAGNOSIS FOR SYSTEM SCS-53 C D F G H I J K L M A B SCS 2. CHECK HARNESS BETWEEN ACTIVE DAMPER SUSPENSION CONTROL UNIT AND STOP LAMP SWITCH 1. Turn ignition switch “OFF”. 2. Disconnect active damper suspension control unit harness connector and stop lamp switch harness con- 3. Check continuity between active damper suspension control unit Also check harness for short to ground and short to power. OK or NG OK >> GO TO 3. NG >> Check the following. If any items are damaged, repair or replace damaged parts. ● Harness for short or open between active damper ● Harness for short or open between active damper suspension control unit harness connector 3. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT 1. Turn ignition switch “OFF”. 2. Disconnect stop lamp switch harness connector. 3. Check voltage between stop lamp switch harness connector (A) OK or NG OK >> GO TO 4. NG >> Check the following. If any items are damaged, repair or replace damaged parts. ● 10A fuses [No. 17 located in the fuse block (J/B) . ● Harness for short or open between battery and stop lamp switch harness connector M402 ter- ● Harness for short or open between battery and ICC brake relay harness connector E38 termi- ● Play and clearance between brake pedal and floor panel with pedal. Refer to CLEARANCE BETWEEN BRAKE PEDAL AND FLOOR PANEL WITH PEDAL DEPRESSED" ● Stop lamp switch ● ICC brake hold relay (ICC models) 4. CHECK ACTIVE DAMPER SUSPENSION CONTROL UNIT Check active damper suspension control unit input/output signal. Refer to SCS-20, "Active Damper Suspen- sion Control Unit Input/Output Signal Reference Values" OK or NG OK >> GO TO 5. NG >> Check active damper suspension control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts. Continuity should exist. SEIA0777E Connector Terminal Condition Voltage (Approx.) M402 3 - Ground Ignition switch: ON Battery voltage SEIA0778E |