DTC P059F: Active Grille Air Shutter "A" Performance/Stuck Off: Notes

1. - 

DTC detecting condition: 

Detected when two consecutive driving cycles with fault occur.

1. CHECK DTC  .
   1. Turn the ignition switch to ON.
   2. Using the Subaru Select Monitor or a general scan tool, read the DTC of [Engine].

      Ref. to COMMON (DIAG)>DIAGNOSTIC TROUBLE CODE (DTC) .

   Is DTC P059F displayed? (Current malfunction)

   Yes  : Go to  2 .

   No  : Even if DTC is detected, it has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.

   NOTE: In this case, it is assumed that the active grille shutter may have temporarily had a foreign matter adhered/pinched or a frost.
2. CHECK ACTIVE GRILLE SHUTTER  .
   1. Turn the ignition switch to OFF.
   2. Check the area around the active grille shutter louver, louver link and actuator.

   Is there any abnormality such as a foreign matter adhered or pinched and a frost?

   Yes  : Remove the foreign matter from the active grille shutter and go to the next step. Go to  3 .

   No  : Go to  3 .

3. CHECK ACTIVE GRILLE SHUTTER  .
   1. Disconnect the ground terminal from battery sensor.

      Ref. to GROUND TERMINAL REMOVAL OR INSTALLATION .

   2. Remove the front bumper.

      Ref. to EXTERIOR/INTERIOR TRIM>FRONT BUMPER>REMOVAL .

   3. Check the area around the active grille shutter louver, louver link and actuator.

   Is there any damage in each part of the active grille shutter?

   Yes  : Replace the active grille shutter. Ref. to COOLING (H4DO)>ACTIVE GRILLE SHUTTER .

   No  : Go to  4 .

4. CHECK ACTIVE GRILLE SHUTTER  .
   1. Connect the ground terminal to battery sensor.

      Ref. to GROUND TERMINAL REMOVAL OR INSTALLATION .

   2. Turn the ignition switch to ON. (Engine OFF)
   3. Using the Subaru Select Monitor, perform the operation check of the active grille shutter to measure time needed for open or close operation.
      NOTE: For detailed operation procedures, refer to the "Active Test". Ref. to ENGINE (DIAGNOSTICS) (H4DO)>ACTIVE TEST .

   Is the time less than 15 seconds?

   Yes  : Even if DTC is detected, it has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.

   No  : Go to  5 .

5. CHECK DATA MONITOR  .

   Using the Subaru Select Monitor, read the value in [Active Grille Shutter Voltage Error Status].

   NOTE: For detailed operation procedures, refer to "Common (Diagnostics)". Ref. to COMMON (DIAG)>DATA MONITOR .

   Is [Normal] displayed?

   Yes  : Go to  6 .

   No  : Check the power supply circuit. If the power supply circuit is normal, replace the active grille shutter. Ref. to COOLING (H4DO)>ACTIVE GRILLE SHUTTER .

6. CHECK DATA MONITOR  .
   1. Turn the ignition switch to OFF, and cool down the engine enough.
      NOTE: Cool down the engine unit until it can be easily touched by hand.
   2. Turn the ignition switch to ON.
   3. Using the Subaru Select Monitor, read the value in [Active Grille Shutter Temperature Error Status].
      NOTE: For detailed operation procedures, refer to "Common (Diagnostics)". Ref. to COMMON (DIAG)>DATA MONITOR .

   Is [Normal] displayed?

   Yes  : Even if DTC is detected, it has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.

   No  : Replace the active grille shutter. Ref. to COOLING (H4DO)>ACTIVE GRILLE SHUTTER .