Summary of Contents for Honda Accord 1996 62SN725 Service Manual - Page 25

  • Honda Accord 1996 62SN725 Service Manual - Page 25

    System Description Troubleshooting Flowchart — Engine Coolant Temperature (ECT) Sensor — The Maitunclion Indicator Lamp (MIL) indicates Diagnostic Trouble Code (DTCt 14: A problem in the I Engine Coolant Temperature (ECT) Sensor clrcult (signal below setpoint). The ECT sensor is a temperature dependant {eSISIOr (thermistor) The resistance of the thermistor decreases as the engine coolant temperature increases as shown below, RESISTANCE (m) 2t) 10 5 THERMISTOR 0,! ~70 a mu continuum 4 :2 wwuorrezrzzatrt ENGINE COOLANT TEMPERATURE With the Dala Link Connector‘s diag- . nostic L—Une (WHT/PNK wire) con- nected to ground (see page 1t-r2) orthe PG M — Tesler connected tn the Data Link Connector. code 14 is Indir sated. Do the ECM Reset Procedure (see ‘ page 11-13) Turn the ignition switch ON ‘ intermittent raiiure, system Is OK Does the MIL indicate code N0 at this time (test drve may be 147 necessary), check for poor connections or YES rooss wires between me ecr sensor Ind ECMr Warm up engine to normal operating . teTperalure (the radiator tan comes on . Tum (he ignition switch OFF. Disconnect the 2P connector train the ECT sensor. Measure resistance bemen ihe 2 terminals on the ECT sensor. < is there 450-5509? No } Replace the ECT sensor: I YES (To page 11-27) 11-26