{"model":"mk2","model_name":"MK2 Supra","vehicle":"Toyota Supra A60 (1982–1986, 5M-GE)","document":"Repair Manual","section":"BE","section_name":"Body Electrical System","page":29,"pages_in_section":121,"title":"Speedometer","section_header":"Body Electrical System — Instruments and Sender Gauges","ocr_text":"Speedometer\n\nON-VEHICLE INSPECTION OF SPEEDOMETER\n(a) Using a speedometer tester, inspect the speedometer for allowable indicating error and check the operation of the odometer.\nNOTE: Tire wear and tire over or under inflation will increase the indicating error.\n(b) Check the speedometer for pointer vibration and abnormal noises.\nNOTE: Pointer vibration can be caused by a loose speedometer cable.\n\nStandard indication\n(km/h)\nAllowable range\n(km/h)\n20\n18 - 23\n40\n20 - 44\n60\n60 - 64.5\n80\n80 - 85\n100\n100 - 105\n120\n120 - 125.5\n140\n140 - 146\n160\n160 - 167\n\nStandard indication\n(mph)\nAllowable range\n(mph)\n20\n20 - 23\n40\n40 - 43.5\n60\n60 - 64\n80\n80 - 84.5\n100\n100 - 105\n120\n120 - 125.5\n\nTachometer\n\nON-VEHICLE INSPECTION OF TACHOMETER\n(a) Connect a tune-up test tachometer and start the engine.\n(b) Compare the tester and tachometer indications.\nIf the error is excessive, replace the tachometer.\n\nCAUTION:\n• Reversing the connection of the tachometer will damage the transistors and diodes inside.\n• When removing or installing the tachometer, be careful not to drop or subject it to severe shock.\n\nTemp.\nrpm\n1000\n3000\n5000\n7000\n25°C DC13V\n±100\n±200\n±200\n±300\n\nVoltmeter\n\nINSPECTION OF VOLTMETER\n\nCompare the tester and voltmeter indications.\nIf the error is excessive, replace the 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