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Fig. 69: Identifying D28 Engine Coolant Temperature Sensor Connector Terminals OK : CONFIRM GOOD CONNECTION TO SENSOR. IF OK, REPLACE ENGINE COOLANT 4. CHECK HARNESS AND CONNECTOR (ENGINE COOLANT TEMPERATURE SENSOR - ECM) a. Disconnect the D28 ECT sensor connector. b. Disconnect the D74 ECM connector. c. Measure the resistance according to the value(s) in the table below. Standard resistance TESTER CONNECTION SPECIFIED CONDITION NG : REPAIR OR REPLACE HARNESS OR CONNECTOR Tester Connection Condition Specified Condition D28-2 - D74-76 (THW) Always Below 1 ohms D28-1 - D74-97 (ETHW) Always Below 1 ohms
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
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