TSRM/MK2 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical System37 / 121
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BODY ELECTRICAL SYSTEM — Instruments and Sender Gauges — MK2 Supra Body Electrical System, page 37
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BODY ELECTRICAL SYSTEM — Instruments and Sender Gauges BE-37 Trouble Refer to Speedometer No display at all A Speedometer displays [0] while driving. B Flickers or fluctuates Check cable Abnormal display Difficult to comprehend Replace speedometer Lights do not dim when light and rheostat S/W turned ON. C Display disappears when rheostat is turned with light S/W ON. D Brightness does not change even when rheostat is turned. E Abnormal speedometer signal F No speed unit conversion G No display at all H Zero indication even with engine running. I Tachometer Abnormal display Wrong display, no display change or constant display change from correct to "0" or no Replace tachometer display at all. Lights do not dim when light and rheostat S/W turned ON. J No display at all K Fuel scale change display (magnifier) does not illuminate. L Fuel Gauge Fuel warning light does not light. M Fuel warning light always lit. N Abnormal display No display segment or intermediate segment illumination. No figure or symbol indication. Replace fuel and temp. gauges Defective display O Lights do not dim when light and rheostat S/W turned ON. P No display at all K Top segment does not flash. M Water Temp. Gauge Abnormal display Both indicator segments lit. No figure or symbol indication, etc. Replace fuel and temp. gauges Wrong display Display segment does not rise. Top segment flashes always. Unstable Q display, etc. Lights do not dim when light and rheostat S/W turned ON. P NOTE: The "sub-harness (SST)" appearing in the following pages of the Troubleshooting Section refer to SST 09082-00100, Digital Meter Check Sub-Harness.