MDX V6-3.7L (2007)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
ECT Sensor 1
ECT Sensor 1 Replacement
1. Drain the engine coolant.
2. Remove the engine cover.
3. Remove the main under-hood fuse/relay box.
4. Disconnect the ECT sensor 1 2P connector (A).
5. Remove ECT sensor 1 (B).
6. Install the parts in the reverse order of removal with a new O-ring (C), then refill the radiator with engine coolant.