Engine General Information and Diagnosis: 1A-52
2 1) Turn the ignition switch OFF.
2) Disconnect the ECT sensor coupler.
3) Measure the ECT sensor resistance.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Resistance (Ω)
ECT sensor resistance
Approx. 2.45 kΩ at 20 °C (68 °F)
(Terminal – Terminal)
NOTE
Refer to “ECT Sensor Inspection in Section 1C
(Page 1C-4)” for details.
Is the resistance OK?
Replace the ECM with a
new one. Refer to “ECM
Removal and
Installation in Section
1C (Page 1C-1)”.
Replace the ECT
sensor with a new one.
Refer to “ECT Sensor
Inspection in Section 1C
(Page 1C-4)”.
Step Action Yes No
(A)
I944H1110036-01
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