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=== Troubleshooting === https://dev.z31library.com/xenonzcar_archive/z31/SENSORS/CHTS/CHTStroubleshooting1full.png To test, measure the Ohms across the 16 pin ECU connector on terminals 23 and 26. The chart will provide the correct readouts: | Cylinder Head Temperature | Resistance in Ohms | |---|---| | Above 20°C (68°F) | Below 2.9kΩ | | Below 20°C (68°F) | Above 2.1kΩ | If the readings are OK here, then replace the ECU. If the readings are out of spec, first check the harness for damage including corrosion and broken wires. If the harness looks OK, then you can test the sensor using the chart below. https://dev.z31library.com/xenonzcar_archive/z31/SENSORS/CHTS/CHTStroubleshooting2chart.jpg [[Category:Imported from Xenonzcar]]
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