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TROUBLE DIAGNOSIS FOR SYMPTOMS ACS-69 [ICC] C D E F G H I J L M A B ACS Symptom 1: MAIN Switch Does Not Turn ON *1 , MAIN Switch Does Not Turn OFF *2 NKS001L2 NOTE: ● *1: The ICC system display in the combination meter does not illuminate. ● *2: The ICC system display in the combination meter remains powered. 1. CHECK MAIN SWITCH With CONSULT-II With “ICC” “DATA MONITOR”, check if “MAIN SW” operates normally. OK or NG OK >> GO TO 2. NG >> GO TO 3. 2. CHECK CONNECTOR FOR ICC UNIT 1. Turn ignition switch OFF. 2. Disconnect ICC unit connector. 3. Check connector housing for disconnected, loose, bent, and collapsed terminals. OK or NG OK >> GO TO 3. NG >> Poor connector connection 1. Repair ICC unit connector. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again. 3. PERFORM ICC UNIT SELF-DIAGNOSIS With CONSULT-II 1. Perform self-diagnosis with CONSULT-II. 2. Check if “DTC 20 CAN COMM CIRCUIT” is indicated. Is it indicated? YES >> Refer to ACS-45, "DTC 20 CAN COMM CIRCUIT" . NO >> Refer to ACS-49, "DTC 46 OPERATION SW CIRC" Symptom 2: ICC System Cannot Be Set (MAIN Switch Turns ON/OFF) NKS001L3 The ICC cannot be set in the following cases. ● When the vehicle speed is not in range of approx. 40 km/h (25 MPH) to 144 km/h (90 MPH). ● When the A/T selector lever is in “N” position. ● While the brake is in operation. 1. CHECK CAUSE OF AUTOMATIC CANCELLATION With CONSULT-II With “CAUSE OF AUTO-CANCEL” in “WORK SUPPORT”, check if any cause of cancellation exists. OK or NG OK >> Cancel with appropriate cause, and go to specified diagnosis. ● “OPE SW VOLT CIRC”: Refer to ACS-49, "DTC 46 OPERATION SW CIRC" ● “VHCL SPD UNMATCH”: Refer to ACS-46, "DTC 41 VHCL SPEED SE CIRC" ● ACS-45, "DTC 31 POWER SUPPLY CIR, DTC 34 POWER SUP- . NG >> GO TO 2. |