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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-85 [ICC] C D E F G H I J L M A B ACS 7. CHECK ICC BRAKE HOLD RELAY POWER SUPPLY CIRCUIT 1. Turn ignition switch ON. 2. Check voltage between ICC brake hold relay harness connector OK or NG NG >> ● Malfunction of fuse, or ICC brake hold relay power ● After repair, erase DTC and perform ICC system run- OK >> Replace ICC unit. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again. 8. CHECK BRAKE LAMP ILLUMINATION 1. Disconnect ICC brake hold relay connector. 2. Check stop lamp circuit. OK or NG NG >> After repair, erase DTC and perform ICC system running test. Then, perform self-diagnosis of ICC system again. OK >> GO TO 9. 9. CHECK ICC BRAKE HOLD RELAY CIRCUIT 1. Connect ICC brake hold relay connector. 2. Disconnect stop lamp switch connector. 3. When brake pedal is not depressed, make sure that stop lamp does not illuminate. OK or NG NG >> GO TO 10. OK >> Replace ICC unit. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again. 10. CHECK ICC BRAKE HOLD RELAY 1. Disconnect ICC brake hold relay. 2. Check continuity between ICC brake hold relay E38 terminal 6 OK or NG NG >> Replace ICC brake hold relay. Erase DTC and perform ICC system running test. Then perform self-diagnosis of OK >> Replace ICC unit. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system Approx. 12V SKIA1194E Continuity should not exist. SKIA1195E |