{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Electrical Wiring Diagram","section":"INTRO","section_name":"Introduction & How To Use","page":6,"pages_in_section":9,"title":"How to Use This Manual","section_header":"How to Use This Manual","ocr_text":"HOW TO USE THIS MANUAL\n\nSYSTEM OUTLINE\n\nWITH THE IGNITION SW TURNED ON, THE CURRENT FLOWS TO TERMINAL 3 OF THE POWER WINDOW MASTER SW, TERMINAL 2 OF THE POWER WINDOW CONTROL RELAY AND TERMINAL 8 OF THE POWER WINDOW MOTOR - TERMINALS 2 OF THE RELAYS → THROUGH THE DOOR FUSE.\n\n1. DRIVER'S WINDOW \"MANUAL UP\" OPERATION BY MASTER SW\n\nHOLDING MANUAL SW (DRIVER'S) ON \"UP\" POSITION LOCATED IN POWER WINDOW MASTER SW, THE CURRENT FLOWS TO TERMINAL 5 OF THE POWER WINDOW CONTROL RELAY THROUGH TERMINAL 3 OF THE MASTER SW → TERMINAL 2 TO OPERATE A POWER WINDOW CONTROL RELAY. THUS THE CURRENT INSIDE THE RELAY FLOWS FROM TERMINAL 2 OF THE RELAY → TERMINAL 1→. TERMINAL 2 OF THE POWER WINDOW MOTOR → TERMINAL 3 → TERMINAL 1 OF THE RELAY → TERMINAL → TO GROUND.\nTHE WINDOW MOTOR START TO RUN IN REVERSE, AND THE WINDOW ASCENDS. STOPPING THE MANUAL SW, THE CURRENT WILL BE CUT OFF AND WINDOW STOPS AT WILL POINT.\n(FOR THE \"MANUAL DOWN\" OPERATION, CURRENT FLOWS IN THE REVERSE DIRECTION BECAUSE THE TERMINALS WHERE IT FLOWS ARE CHANGED).\n\n2. DRIVER'S WINDOW \"AUTO DOWN\" OPERATION BY MASTER SW\n\nONCE THE \"AUTO DOWN\" BUTTON OF THE MASTER SW IS PUSHED, THE CURRENT FLOWS TERMINAL 9 OF THE POWER WINDOW CONTROL RELAY THROUGH TERMINAL 3 OF THE MASTER SW → TERMINALS 8 AND 9 TO OPERATE THE RELAY. THUS THE CURRENT INSIDE THE POWER WINDOW CONTROL RELAY FLOWS FROM TERMINAL 5 OF THE RELAY → TERMINAL 4 → TERMINAL 1 OF THE POWER WINDOW MOTOR → TERMINAL 2 → TERMINAL 1 OF THE RELAY → TERMINAL 5 → TO GROUND.\nTHE POWER WINDOW MOTOR START TO RUN IN FORWARD, AND DESCENDING UNTIL IT REACHES THE BOTTOM (AT THE END OF WINDOW DESCENDING TRACK), THE WINDOW DESCENDS TO THE END POSITION. THE CURRENT WILL BE CUT OFF TO RELEASE THE AUTO DOWN FUNCTION BASED ON THE INCREASING CURRENT BETWEEN THE TERMINAL 4 OF THE RELAY AND TERMINAL 1 IN RELAY.\n\n3. DRIVER'S WINDOW AUTO DOWN RELEASE OPERATION BY MASTER SW\n\nHOLDING THE MANUAL SW (DRIVER'S) ON \"UP\" POSITION IN OPERATING AUTO DOWN, THE CURRENT FROM TERMINAL 3 OF THE MASTER SW PASSING TERMINAL 2 FLOWS TERMINAL 5 OF THE RELAY AND RELEASES THE AUTO DOWN FUNCTION IN THE POWER WINDOW CONTROL RELAY. RELEASING THE HAND FROM SW, WINDOW STOPS AND CONTINUING ON TOUCHING SW. THE FUNCTION SWITCHES TO MANUAL UP OPERATION.\n\n4. PASSENGER'S WINDOW UP OPERATION (MASTER SW) AND WINDOW LOCK SW OPERATION\n\nHOLDING PASSENGER'S WINDOW SW (MASTER SW) ON \"UP\", THE CURRENT FLOWS FROM TERMINAL 3 OF THE MASTER SW PASSING TERMINAL 6 TO TERMINAL 3 OF PASSENGER'S SW → TERMINAL 2 OF THE PASSENGER'S SW → TERMINAL 4 OF THE POWER WINDOW CONTROL RELAY → TERMINAL 1 → TERMINAL 3 OF THE POWER WINDOW SW → TERMINAL 2 OF PASSENGER'S SW → TERMINAL 1 OF THE MASTER SW → TERMINAL 4 TO GROUND. THE MOTOR RUNS TO ASCENT THE WINDOW. RELEASING THIS SW, THE ROTATION OF MOTOR IS STOPPED AND WINDOW CAN STOP AT WILL PLACE.\n\nSWITCHING THE WINDOW LOCK SW IN \"LOCK\" POSITION, THE CIRCUIT IS OPENED AND STOPPED THE MOTOR ROTATION.\n(FOR THE DOWN OPERATION, CURRENT FLOWS IN THE REVERSE DIRECTION BECAUSE THE TERMINALS WHERE IT FLOWS ARE CHANGED).\n\nSERVICE HINTS\n\nP 2 POWER WINDOW CONTROL RELAY\n3–GROUND: ALWAYS CONTINUITY\n2–GROUND: APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION\n5–GROUND: APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION AND MASTER SW AT UP POSITION\n8–GROUND: APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION AND MASTER SW AT AUTO DOWN POSITION\n9–GROUND: APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION AND MASTER SW AT DOWN OR AUTO DOWN POSITION\nP 4 POWER WINDOW MASTER SW\n4–GROUND: ALWAYS CONTINUITY\n3–GROUND: APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION\nWINDOW LOCK SW\nOPEN WITH THE WINDOW LOCK SW AT LOCK POSITION\n\n: PARTS LOCATION\n\nCODE    SEE PAGE                CODE    SEE PAGE                CODE    SEE PAGE\nP 2     21                      P 4     21                      P 6     21\nP 3     21                      P 5     21\n\n: RELAY BLOCKS\n\nCODE    SEE PAGE    RELAY BLOCK (RELAY BLOCK LOCATION)\n1       16          R/B NO. 1 (INSTRUMENT PANEL LEFT SIDE)\n\n: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR\n\nCODE    SEE PAGE    JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)\n3B      14          J/B NO. 3 AND COWL WIRE (INSTRUMENT PANEL LEFT SIDE)\n\n: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS\n\nCODE    SEE PAGE    JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)\nID1     26          FRONT DOOR RH WIRE AND COWL WIRE (RIGHT KICK PANEL)\nIH1     26          FRONT DOOR LH WIRE AND COWL WIRE (LEFT KICK PANEL)\n\n: GROUND POINTS\n\nCODE    SEE PAGE    GROUND POINT LOCATION\nIC      24          COWL LEFT\n\n: SPLICE POINTS\n\nCODE    SEE PAGE    WIRE HARNESSES WITH SPLICE POINTS\nI 5     24          COWL WIRE\n\n6","image":"https://tsrm.sasquatchvc.com/images/mk4-ewd/INTRO/INTRO_006.png","url":"https://tsrm.sasquatchvc.com/mk4/ewd/INTRO/6","prev":{"page":5,"url":"https://tsrm.sasquatchvc.com/mk4/ewd/INTRO/5","api":"https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/INTRO/5"},"next":{"page":7,"url":"https://tsrm.sasquatchvc.com/mk4/ewd/INTRO/7","api":"https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/INTRO/7"},"section_url":"https://tsrm.sasquatchvc.com/mk4/ewd/INTRO","section_api_pages":["https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/INTRO/1","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/INTRO/2","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/INTRO/3","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/INTRO/4","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/INTRO/5","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/INTRO/6","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/INTRO/7","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/INTRO/8","https://tsrm.sasquatchvc.com/api/pages/mk4/ewd/INTRO/9"],"note":"OCR transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}