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Air Conditioning - Climate Control Self Diagnosis Guide
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Climate Control Self Diagnosis Guide - Mondeo Mk3
Activation of self-diagnosis
With the ignition switched on to position 2, on the E(A)TC module, PRESS the "OFF" and "FOOTWELL" buttons simultaneously very briefly, then PRESS "AUTO" within 1.5 seconds.
The self-diagnosis which then starts lasts a few seconds. An animated display appears in the E(A)TC display during this time. Any faults found are displayed in the form of trouble codes. Example: First of all, "93" flashes for 2 seconds, then "42" flashes for 2 seconds - DTC 9342. If no faults are stored, then all of the segments in the display are actuated.
Diagnosis mode can be stopped at any time by PRESSING any button on the E(A)TC module.
Note: If the "DEFROST" button is pressed to end the diagnosis mode, all DTCs in the fault memory will be deleted!
B1200 Any button of the air conditioning system Button jammed/stuck
B1242* Air recirculation flap: fault in the circuit Open circuit/short circuit
B1251 Interior temperature sensor: open circuit Check the wire and the sensor
B1253 Interior temperature sensor: short to earth Check the wire and the sensor
B1261 Sun load sensor short to earth Check the wire and the sensor
B1262 Air distribution flap - defrost fault in the Check the wiring; defrost flap circuit positioning motor
B1263 Air distribution flap - centre vents: fault Check the wiring; centre vents in the circuit positioning motor
B1342 Automatic climate control module inoperative The trouble code is set in the event of failure.
B1676 Insufficient battery voltage Battery voltage not in the range 9 - 16V
B2266 Temperature flap: fault in the circuit Check the wiring and the temperature flap positioning motor
B2297 Heater housing outlet sensor: open circuit Check the wiring and the sensor
B2298 Heater housing outlet sensor: short to earth Check the wiring and the sensor
B2308 Interior temperature sensor for the fan Damaged motor or open circuit motor inoperative
B2516 Blower: fault in the circuit Damaged motor or open circuit