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DIAGNOSIS TSB Revision KEYLESS OPERATION SYSTEM (KOS) 42B-87 STEP 3. Check the wiring harness between KOS-ECU and • Wiring harness between KOS-ECU connector C-102 (termi- nal No. 40) and outside transmission antenna assembly • Wiring harness between KOS-ECU connector C-102 (termi- nal No. 40) and outside transmission antenna assembly • Wiring harness between KOS-ECU connector C-102 (termi- nal No. 40) and inside transmission antenna assembly • Wiring harness between KOS-ECU connector C-102 (termi- nal No. 40) and inside transmission antenna assembly • Wiring harness between KOS-ECU connector C-102 (termi- nal No. 40) and outside transmission antenna assembly (lift- NOTE: Also check intermediate connectors C-22 and F-17 for Q: Are the wiring harness between KOS-ECU connector C-102 and each interior and exterior antenna in good connector(s) may have loose, corroded or damaged STEP 4. Check whether the diagnostic trouble code is ON position. (3) Check if the diagnostic trouble code is set. YES : Replace KOS-ECU and register the ID codes. (Refer to NO : The procedure is complete. |