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HA -170 HEATING, VENTILATION AND AIR CONDITIONING DTC B1250 DIRECTION POTENTIOMETER SHORT (HIGH) - DRIVER COMPONENT LOCATION EAAF06F7 Mode Control Actuator SCMHA6706L GENERAL DESCRIPTION E42DB595 The mode control actuator mounted on heater unit, adjusts position of mode door by operating Direction Motor based on DTC DESCRIPTION E506ACD5 The A/C controller sets DTC B1250 if there is a short to power in the Direction potentiometer. DTC DETECTING CONDITION E6521921 Item Detecting Condition Possible cause DTC Strategy • Voltage check Threshold value • > 4.9V Detecting time • 0.3 sec FAIL SAFE • Fix vent position • Short circuit in harness potentiometer • Open circuit in harness SPECIFICATION E80F0A06 Refer to DTC B1249. MONITOR SCANTOOL DATA E6C26D12 1. Connect scantool to Data Link Connector(DLC). 2. Engine "ON" 3. Monitor the "DR. DIRECTION POTENTIO." parameter on the scantool while operating mode switch. |