{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"ATGE","section_name":"A340 Automatic Trans (GE)","page":89,"pages_in_section":98,"title":"Inspection Procedure","section_header":"AT340E (2JZ-GE) Automatic Transmission — Troubleshooting","ocr_text":"AT1-89\nAT340E (2JZ-GE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING\n\nINSPECTION PROCEDURE\nO/D OFF indicator light does not light up.\n\n1 Check operation of O/D main switch.\n\nON\nOFF ON\nO/D button O/D OFF Indicator Light O/D Main Switch Point\nPush in O/D OFF OFF\nPush out O/D OFF ON\nBE6653 G04238\nAT5623\n\nC 1. Turn ignition switch ON.\n2. Check \"O/D OFF\" indicator light when O/D main switch is pushed in to ON.\n\nOK \"O/D OFF\" indicator light goes off.\n\nC 3. Check \"O/D OFF\" indicator light when O/D main switch is pushed again, to OFF.\n\nOK \"O/D OFF\" indicator light lights up.\n\nHint If the \"O/D OFF\" indicator light blinks when the O/D main switch is pushed in to ON, a malfunction is occurring in the system.\nCheck the diagnostic trouble code.\n\nOK\nNG Go to step 4 .\n\n2 Check voltage between terminal OD2 of ECM connector and body ground.\n\nON\nCheck Harness A\nECM\nA 28 OD2\nBE6653\nAT8773\n\nP 1. Connect the Check Harness A to the ECM (See page EG-404).\n2. Turn ignition switch ON.\n\nC Check voltage between terminal OD2 of the ECM and body ground.\n\nOK\nO/D Main Switch | Voltage\nOFF | Below 3 V\nON | 9 – 14 V\n\nNG\nOK Proceed to next circuit inspection shown on matrix chart (See page AT1-58).\n\n3 Check harness and connecter between O/D off indicator light and ECM (See page IN-30).\n\nOK\nNG Repair or replace harness or connector.\n\nCheck and replace 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