{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"BAT","section_name":"Brakes, ABS & TRAC Systems","page":64,"pages_in_section":167,"title":"Problem Symptoms Chart","section_header":"Brake System — Anti-Lock Brake System (ABS)","ocr_text":"BR–64\nBRAKE SYSTEM – ANTI–LOCK BRAKE SYSTEM (ABS)\n\nPROBLEM SYMPTOMS CHART\n\nIf a normal code is displayed during the diagnostic trouble code check but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page.\n\nSymptoms | Inspection Circuit | See page\n\nABS does not operate.\nOnly when 1. ~ 4. are all normal and the problem is still occurring, replace the ABS (& TRAC) ECU.\n1. Check the diagnostic trouble code, reconfirming that the normal code is output.\n2. IG power source circuit.\n3. Speed sensor circuit.\n4. Check the ABS actuator with a checker.\n   If abnormal, check the hydraulic circuit for leakage (See page BR–115).\nBR–54\nBR–92\nBR–88\nBR–44\n\nABS does not operate efficiently\nOnly when 1. ~ 4. Are all normal and the problem is still occurring, replace the ABS (& TRAC) ECU.\n1. Check the diagnostic trouble code, reconfirming that the normal code is output.\n2. Speed sensor circuit.\n3. Stop light switch circuit.\n4. Check the ABS actuator with a checker.\n   If abnormal, check the hydraulic circuit for leakage (See page BR–115).\nBR–54\nBR–88\nBR–105\nBR–44\n\nABS warning light abnormal\n1. ABS warning light circuit.\n2. ABS (& TRAC) ECU.\nBR–107\n\nDiagnostic trouble code check cannot be performed\nOnly when 1 and 2 are all normal and the problem is still occurring, replace the ABS (& TRAC) ECU.\n1. ABS warning light circuit.\n2. Tc terminal circuit.\nBR–107\nBR–112\n\nSpeed sensor signal check cannot be performed\n1. Ts terminal circuit.\n2. ABS (& TRAC) ECU.\nBR–114","image":"https://tsrm.sasquatchvc.com/images/mk4/BAT/BAT_064.png","url":"https://tsrm.sasquatchvc.com/mk4/tsrm/BAT/64","prev":{"page":63,"url":"https://tsrm.sasquatchvc.com/mk4/tsrm/BAT/63","api":"https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/63"},"next":{"page":65,"url":"https://tsrm.sasquatchvc.com/mk4/tsrm/BAT/65","api":"https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/65"},"section_url":"https://tsrm.sasquatchvc.com/mk4/tsrm/BAT","section_api_pages":["https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/1","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/2","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/3","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/4","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/5","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/6","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/7","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/8","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/9","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/10","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/11","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/12","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/13","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/14","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/15","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/16","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/17","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/18","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/19","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/20","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/21","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/22","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/23","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/24","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/25","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/26","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/27","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/28","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/29","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/30","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/31","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/32","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/33","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/34","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/35","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/36","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/37","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/38","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/39","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/40","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/41","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/42","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/43","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/44","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/45","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/46","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/47","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/48","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/49","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/50","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/51","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/52","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/53","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/54","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/55","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/56","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/57","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/58","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/59","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/60","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/61","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/62","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/63","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/64","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/65","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/66","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/67","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/68","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/69","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/70","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/71","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/72","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/73","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/74","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/75","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/76","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/77","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/78","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/79","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/80","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/81","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/82","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/83","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/84","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/85","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/86","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/87","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/88","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/89","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/90","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/91","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/92","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/93","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/94","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/95","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/96","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/97","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/98","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/99","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/100","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/101","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/102","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/103","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/104","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/105","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/106","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/107","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/108","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/109","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/110","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/111","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/112","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/113","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/114","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/115","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/116","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/117","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/118","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/119","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/120","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/121","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/122","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/123","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/124","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/125","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/126","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/127","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/128","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/129","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/130","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/131","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/132","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/133","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/134","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/135","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/136","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/137","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/138","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/139","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/140","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/141","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/142","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/143","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/144","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/145","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/146","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/147","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/148","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/149","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/150","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/151","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/152","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/153","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/154","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/155","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/156","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/157","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/158","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/159","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/160","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/161","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/162","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/163","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/164","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/165","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/166","https://tsrm.sasquatchvc.com/api/pages/mk4/tsrm/BAT/167"],"note":"OCR transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}