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Home >> Subaru >> 2019 >> Crosstrek Base, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Transaxle (Diagnostics)) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC U0424: Invalid Data Received From Hvac Control Module >> Diagnostic Method

Diagnostic Method

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If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
CAN data from A/C control panel Freeze

Time needed for diagnosis:  2.5 s

Malfunction indicator light illumination:  Does not illuminate.

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