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ACS-50 < SERVICE INFORMATION > [ICC] TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS 2. Disconnect ICC unit. 3. Check continuity between ICC unit harness connector and ICC 4. Check continuity between ICC unit harness connector and ground. OK or NG OK >> GO TO 18. NG >> 1. Repair harness between ICC unit and ICC brake hold relay. 2. Erase DTC and perform ICC system running test. Then, perform self-diagnosis of ICC system 18. CHECK ICC BRAKE HOLD RELAY 1. Connect ICC unit connector and ICC brake hold relay. 2. Disconnect stop lamp switch connector. 3. Perform “Active Test” (“STOP LAMP”) with CONSULT-III, and make sure that stop lamp is illuminated. OK or NG OK >> GO TO 19. NG >> 1. Replace ICC brake hold relay. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system 19. CHECK ICC UNIT STANDARD VOLTAGE 1. Connect stop lamp switch connector. 2. Perform “Active Test” (“STOP LAMP”: “STP LMP DRIVE ON”) OK or NG OK >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system NG >> 1. Replace stop lamp switch. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system DTC 92 ECM CIRCUIT INFOID:0000000001328839 1. PERFORM SELF-DIAGNOSIS OF ICC SYSTEM 1. Perform self-diagnosis of ICC system. 2. Check if “DTC 20 CAN COMM CIRCUIT” other than “DTC 92 ECM CIRCUIT” is indicated in self-diagnosis ICC unit connector Terminal ICC brake hold relay connector Terminal Continuity M89 38 E14 7 Yes SKIA6663E ICC unit connector Terminal Ground Continuity M89 38 No ICC unit connector Terminal Condition Voltage (Ap- prox.) (+) ( − ) M89 29 Ground During “Active Test” 0 V SKIA1200E |