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Home >> Subaru >> 2017 >> Legacy 2.5i Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Control System (Diagnostics) (P000A To P015D) (H6DO)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0072: Ambient Air Temperature Sensor Circuit "A" Low >> Notes

DTC P0072: Ambient Air Temperature Sensor Circuit "A" Low: Notes

WARNING: This page is about a different variant/trim than selected.

DTC detecting condition: 

Immediately at fault recognition

Step Check Yes No
1 CHECK DTC. 
Check for DTC. Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC)
Is P0072 or P0073 displayed in current malfunction? Go to step Even if DTC is detected, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis.
NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.
2 CHECK COMBINATION METER. 
Check the combination meter system. Ref. to SYSTEM OPERATION CHECK MODE
Is the check result OK? Repair the poor contact of ECM connector. Repair or replace the combination meter system. Ref. to COMBINATION METER