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DAS-302 < DTC/CIRCUIT DIAGNOSIS > [CHASSIS CONTROL] U1A48-00 ECM/HPCM COMMUNICATION YES >> GO TO 5. NO >> Recheck terminals for damage or loose connection. Refer to DAS-210, "Precautions for Harness , and GO TO 5. 3. CHECK ECM 1. Turn the ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check ECM harness connector terminals (CAN communication line) or damage or loose connection. Is the inspection result normal? YES >> GO TO 4. NO >> Recheck terminals for damage or loose connection. Refer to DAS-210, "Precautions for Harness , and GO TO 4. 4. PFEFORM SELF-DIAGNOSIS (ECM) With CONSULT 1. Connect ECM harness connector. 2. Erase self-diagnosis result for “ENGINE”. 3. Turn the ignition switch OFF and wait for 10 seconds or more. 4. Turn the ignition switch ON. 5. Perform self-diagnosis for “ENGINE”. Is DTC detected? YES >> Check the DTC. Refer to (K9K) or (R9M). NO >> GO TO 5. 5. PERFORM SELF-DIAGNOSIS With CONSULT 1. Connect chassis control module harness connector. 2. Erase self-diagnosis result for “CHASSIS CONTROL”. 3. Turn the ignition switch OFF and wait for 10 seconds or more. 4. Turn the ignition switch ON. 5. Perform “All DTC Reading”. Is DTC “U1000-00”, “U1A48-00” or other DTC detected? YES (“U1000-00”)>>Refer to DAS-286, "Diagnosis Procedure" YES (“U1A48-00”)>>Replace the chassis control module. Refer to DAS-312, "Removal and Installation" YES (other DTC)>>Check the DTC. >> INSPECTION END |