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CCS-36 < COMPONENT DIAGNOSIS > DTC 90 STOP LAMP RLY FIX 1. Connect connectors of ICC unit and stop lamp switch. 2. While performing active test (STOP LAMP: STP LMP DRIVE ON) with CONSULT-III, check voltage between ICC unit harness connector B17 terminal 47 and ground. Does battery voltage exist? YES >> GO TO 14 NO DTC and perform ICC system running test. Refer to CCS-8, "ACTION TEST : ICC System Running Test" 14. CHECK ICC BRAKE HOLD RELAY POWER SUPPLY CIRCUIT Check voltage between ICC brake hold relay harness connector E134 terminal 7 and ground. Does battery voltage exist? YES >> GO TO 15 NO >> • Check fuse or ICC brake hold relay power supply har- ness. • Erase DTC and perform ICC system running test. CCS-8, "ACTION TEST : ICC System Run- . 15. CHECK HARNESS BETWEEN ICC BRAKE HOLD RELAY AND ICC UNIT 1. Turn ignition switch OFF. 2. Disconnect ICC unit harness connectors. 3. Check continuity between ICC brake hold relay harness connec- tor (B) E134 terminal 6 and ICC unit harness connector (A) B17 terminal 38. 4. Check continuity between ICC unit harness connector (A) B17 terminal 38 and ground. Are continuity test results as specified? YES >> GO TO 16 NO >> • Repair harness between ICC brake hold relay and ICC unit or between ICC brake hold relay and stop lamp switch. • Erase DTC and perform ICC system running test. Refer to CCS-8, "ACTION TEST : ICC Sys- 16. CHECK ICC BRAKE HOLD RELAY 1. Connect ICC unit and ICC brake hold relay harness connectors. 2. Disconnect stop lamp switch connector. 3. Perform active test (STOP LAMP) with CONSULT-III, and make sure that stop lamps are illuminated. YES >> GO TO 17 NO >> Replace ICC brake hold relay. Erase DTC and perform ICC system running test. Refer to "ACTION TEST : ICC System Running Test" . 17. CHECK ICC UNIT STANDARD VOLTAGE 47 - Ground Battery voltage should exist SKIA3075E 7 - Ground Battery voltage should exist ALOIA0010ZZ 6 - 38 Continuity should exist. 38 - Ground Continuity should not exist. ALOIA0011ZZ |