DTC P0071: Ambient Air Temperature Sensor Range / Performance [06/2016 - 07/2018]: 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 / Trouble Codes.
5. Read DTCs.
   RESULT
   
   

   Result	Proceed to
   DTC P0071 is output	A
   DTC P0071 and other DTCs are output	B

   HINT: 

   If any DTCs other than P0071 are output, troubleshoot those DTCs first.

Result: 

B 

GO TO DTC CHART 

(Refer to DIAGNOSTIC TROUBLE CODE CHART [06/2016 - 03/2017] , or refer to DIAGNOSTIC TROUBLE CODE CHART [03/2017 - 07/2018] )

Result: 

A 

See step  2

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 / Data List / Ambient Temp for A/C Sensor.
5. Read the value displayed on the Techstream.
6. While heating up or cooling down the ambient air temperature sensor using a hair dryer, read the variation of displayed value.
   RESULT
   
   

   Result	Proceed to
   Value changes during heating-up or cooling-down	A
   Value does not change during heating-up or cooling-down	B

Result: 

A 

CHECK FOR INTERMITTENT PROBLEMS 

(Refer to CHECK FOR INTERMITTENT PROBLEMS [06/2016 - ] )

Result: 

B 

REPLACE AMBIENT AIR TEMPERATURE SENSOR 

(Refer to REMOVAL [06/2016 - ] )