Diesel Data: Automotive Repair

DR-7B Coolant Sensor Circuit to Computer


1. Disconnect coolant sensor and computer 14-way connector.
2. Connect an ohmmeter between terminal No. 9 of the connector and terminal 3 of coolant sensor.
3. If ohmmeter indicates continuity, proceed to Step C.
4. If ohmmeter indicates no continuity, repair wire for open circuit.