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TROUBLE DIAGNOSIS FOR SYMPTOMS ACS-97 [ICC] C D E F G H I J L M A B ACS Symptom 4: The ICC System Is Not Cancelled When the Gear Is in Other Than EKS003Q4 1. D RANGE SWITCH CHECK With CONSULT-II 1. With data monitor, check that “D RANGE SW” operates normally. Refer to NG or OK NG >> GO TO 2. OK >> After replacing ICC unit, erase DTC. Perform ICC system running test, and then perform self-diag- nosis of ICC system again. 2. CAN COMMUNICATION INSPECTION With CONSULT-II 1. With CONSULT-II self-diagnosis, check that “CAN COMM CIRCUIT” item exists. OK or NG OK >> Refer to ACS-70, "DTC 20 CAN COMM CIRCUIT" . NG >> GO TO 3. 3. D RANGE SWITCH CHECK 1. With TCM data monitor, check that “D” position switch operates normally. OK or NG NG >> After repairing or replacing malfunctioning part, erase DTC. Perform ICC system running test, and then perform self-diagnosis of ICC system again. OK >> After replacing ICC unit, erase DTC. Perform ICC system running test, and then perform self-diag- nosis of ICC system again. Symptom 5: Chime Does Not Sound. EKS003Q5 The chime may not sound occasionally in the following cases even if the distance from the vehicle ahead is ● When the speed difference from that of the vehicle ahead is small (both vehicles driving at similar speed). ● When the vehicle ahead drives at faster speed (the actual distance is increasing). ● When depressing the accelerator. ● Chime does not sound when the vehicle is not driving. ● Chime does not sound when the system does not detect any vehicle ahead. (Diagnose the conditions ICC System Frequently Cannot Detect the Vehicle Ahead/The Detection Zone Is Short." 1. CHECK ICC WARNING CHIME 1. With active test, check that ICC warning chime operates normally. OK or NG OK >> Determine preceding vehicle detection status when malfunction occurred. If chime should have sounded: after replacing ICC unit, erase DTC. Perform ICC system running test, and then perform NG >> GO TO 2. |