DTC P0101: Mass Air Flow Circuit Range / Performance Problem [08/2015 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Engine and ECT / Trouble Code.
5. Read DTCs.
   RESULT
   
   

   Display (DTC Output)	Proceed to
   P0101	A
   P0101 and other DTCs	B

   HINT: 

   If any DTCs other than P0101 are output, troubleshoot those DTCs first.

Result: 

B 

GO TO DTC CHART 

(Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2015 - 08/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2019 - ] )

Result: 

A 

See step  2

1. Check the air induction system for vacuum leakage.

   OK

   No leakage from air induction system.

Result: 

NG 

REPAIR OR REPLACE AIR INDUCTION SYSTEM 

(Refer to REMOVAL [08/2015 - ] )

Result: 

OK 

See step  3

1. Check the PCV hose connections.

   OK

   PCV hose is connected correctly and is not damaged.

Result: 

OK 

REPLACE MASS AIR FLOW METER 

(Refer to REMOVAL [08/2015 - ] )

Result: 

NG 

REPAIR OR REPLACE PCV HOSE 

(Refer to REMOVAL [08/2015 - ] )