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TROUBLE DIAGNOSIS FOR SYMPTOMS ACS-93 [ICC] C D E F G H I J L M A B ACS Symptom 1: Cruise ON/OFF Does Not Switch ON. (The ICC System Display in EKS005QG 1. CHECK ON/OFF SWITCH ● With data monitor, check that ON/OFF switch operates normally. OK or NG OK >> GO TO 2. NG >> GO TO 4. 2. CHECK COMBINATION METER ● Check combination meter. OK or NG OK >> GO TO 5. NG >> After repair or replacement, erase DTC, and perform self-diagnosis of ICC system again. 3. CHECK CAN COMMUNICATION ● Check that CAN communication operates normally. OK or NG OK >> Replace ICC unit. Erase DTC, and perform self-diagnosis of ICC system again. NG >> Repair or replace malfunctioning part. Erase DTC, and perform self-diagnosis of ICC system again. 4. CHECK ICC UNIT REFERENCE SIGNAL ● Check voltage between ICC unit harness connector B245 terminal 49 (B/Y) and terminal 58 (GY/L). Refer ACS-54, "Terminals and Reference Value for ICC Unit" OK or NG OK >> GO TO 9. NG >> GO TO 5. 5. CHECK ICC STEERING SWITCH Refer to ACS-101, "ICC Steering Switch" OK or NG NG >> Replace ICC steering switch. Erase DTC, and perform self-diagnosis of ICC system again. OK >> GO TO 6. |