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ACS-46 < SERVICE INFORMATION > [ICC] TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system NO >> INSPECTION END DTC 90 STOP LAMP RLY FIX INFOID:0000000001328838 1. CHECK CONNECTOR ICC UNIT 1. Turn ignition switch OFF. 2. Disconnect ICC unit connector, and connect it securely again. 3. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again. Is malfunction indicated? YES >> GO TO 2. NO >> Poor connector connection 1. Check connector (Check connector housing for disconnected, loose, bent, and collapsed ter- 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system 2. CHECK STOP LAMP SWITCH AND ICC BRAKE SWITCH With “Data Monitor” of “ICC”, check that “STOP LAMP SW” and “BRAKE SW” operate normally. OK or NG OK >> GO TO 12. NG-1 >> “BRAKE SW” NG: GO TO 3. NG-2 >> “STOP LAMP SW” NG: GO TO 9. 3. CHECK BRAKE SWITCH INSTALLATION AND ADJUSTMENT Check brake switch for proper installation, and adjust the switch if necessary. Refer to . OK or NG OK >> GO TO 4. NG >> After adjustment, erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again. 4. CHECK ICC BRAKE SWITCH AND STOP LAMP SWITCH Check ICC brake switch and stop lamp switch. Refer to ACS-64, "ICC Brake Switch and Stop Lamp Switch" . OK or NG OK >> GO TO 5. NG >> 1. Replace ICC brake switch. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system 5. CHECK ICC BRAKE HOLD RELAY 1. Turn ignition switch OFF. 2. Disconnect ICC brake hold relay. 3. Check ICC brake hold relay. Refer to ACS-64, "ICC Brake Hold Relay" . OK or NG OK >> GO TO 6. NG >> 1. Replace ICC brake hold relay. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system 6. CHECK HARNESS BETWEEN ICC BRAKE HOLD RELAY AND ICC BRAKE SWITCH 1. Disconnect ICC brake switch connector and ICC unit connector. |