{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"ATTE","section_name":"A340 Automatic Trans (GTE)","page":106,"pages_in_section":118,"title":"Inspection Procedure","section_header":"A340E (2JZ—GTE) Automatic Transmission — Troubleshooting","ocr_text":"AT2–106\nA340E (2JZ—GTE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING\n\nINSPECTION PROCEDURE\n\n1   Check A/T fluid temp. sensor (See page AT2–70).\n\nOK\nNG   Replaces A/T fluid temp. sensor.\n\n2   Check if A/T fluid temp. is too hot.\n\nON\n\nPattern     \"MANU\" Mode  O/D Main\nSelect Switch  Indicator Light   Switch Point\n\nMANU\n\nMANU\n\nBE6653\nGO4452\n\nP   1.  Turn ignition switch ON.\n    2.  Check \"MANU\" mode indicator light when pattern select switch is pushed in to ON.\n\nOK  \"MANU\" mode indicator light comes on and stays on.\n\nHint  If the A/T fluid temp. becomes too hot, the \"MANU\" mode indicator light flashes for several seconds and goes off. The driving mode then automatically changes from Manual mode to the Normal mode.\n\nOK\nNG   Wait until the A/T fluid temp. is reduced.\n\n3   Check voltage between terminal M of ECM connector and body ground.\n\nON\nCheck Harness A\nECM\n\nM\nA 18\n\nBE6653\nAT8772\n\nP   1.  Connect the Check Harness A to the ECM (See page EG–510).\n    2.  Turn ignition switch ON.\n\nC   Measure voltage between the terminal M of the ECM connector and body ground when the pattern select switch is set to the MANU (MANUAL) position and NORM (NORMAL) position.\n\nOK\nPattern select switch        Voltage\nMANU                    10 — 14 V\nNORM                   Below 1 V\n\nHint  The ECM uses the Normal pattern signal if the Manual signal is not input.\n\nNG\nOK   Proceed to next circuit inspection shown on matrix chart (See page AT2–64).\n\nGo to step. 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