IG KEY : OFF , Engine : OFF
Disconnet ECT sensor connector(C03).
Measure resistance between terminals 1 and 3 of the ECT sensor harness connectorC03.
Specification :
Temperature(℃(°F)) | -20(-4°F) | 20(68°F) | 60(140°F) | 110(230°F) |
Resistence(kΩ) | 10.7 | 2.5 | 0.6 | 0.2 |
Voltage(V) | 4.2 | 2.6 | 1.1 | 0.5 |
Is ECT sensor normal?
YES
ECT sensor is OK.
Possibility of defective ECM.Temporarily test with a new ECM and check for proper operation.
If problem is corrected, replace ECM and go to "Verification of Vehicle Repair" procedure.
NO
Test with a new ECT sensor and check for proper operation.If problem is corrected, replace it.
And go to "Verification of Vehicle Repair" procedure.