E11 Cab Air Temperature Sensor Open Circuit Cab air temperature sensor open circuit. AH91621,0000167 –19–15MAR06–1/1 Harness Diagnostics –1/1 TM2361 (24JUN08) 9001-40-1 450DLC Excavator Operation and Tests 062608 PN=189 Group 40 Air Conditioner Controller (ACF) Diagnostic Trouble Codes Air Conditioner Controller (ACF) Diagnostic Trouble Codes Air conditioner controller (ACF) diagnostic trouble codes are read by accessing the diagnostic menu in the controller. See Air Conditioning Diagnostic Trouble Code Check to access diagnostic trouble codes.
(Group 9031-15.) AH91621,0000166 –19–21FEB06–1/1 9001 40 1 1 Connector Check Check harness connection to cab air temperature sensor and air conditioner and heater controller. Are connectors clean and free from debris? Are pins straight and do they make a good connection? YES: Go to Open Circuit Check. NO: Repair or replace connector or pins. – – –1/1 2 Open Circuit Check Disconnect harness from cab air temperature sensor and air conditioner and heater controller. Check continuity between pins on controller and cab air temperature sensor connector. Is there continuity on the appropriate pins? YES: Cab air temperature sensor malfunction. NO: Repair or replace harness.
See Air Conditioner Harness (W6) Wiring Diagram. (Group 9015-10.) – – –1/1