DTC Troubleshooting: P05AE, P05B2, P05B7, P05C1
DTC P05AE: Shutter Grille Assembly (Lower) Malfunction
DTC P05B2: Shutter Grille Actuator (Lower) Malfunction
DTC P05B7: Shutter Grille Actuator (Lower) Malfunction
DTC P05C1: Shutter Grille Actuator (Lower) Temperature Malfunction
NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description
Confirmed DTC
Pending DTC
P05AE Shutter Grille Assembly (Lower) Malfunction
    
P05B2 Shutter Grille Actuator (Lower) Malfunction
    
P05B7 Shutter Grille Actuator (Lower) Malfunction
    
P05C1 Shutter Grille Actuator (Lower) Temperature Malfunction
    

1.
Problem verification:

Problem verification
?1.
Turn the vehicle to the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Turn the vehicle to the OFF (LOCK) mode.

?4.
Start the engine, then let it idle.

?5.
Check for Pending or Confirmed DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
P05AE Shutter Grille Assembly (Lower) Malfunction
    
P05B2 Shutter Grille Actuator (Lower) Malfunction
    
P05B7 Shutter Grille Actuator (Lower) Malfunction
    
P05C1 Shutter Grille Actuator (Lower) Temperature Malfunction
    

Is DTC P05AE, P05B2, P05B7, or P05C1 is indicated?

     
YES
     
     
     
Go to step 2.
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the shutter grille (lower) and the PCM. If the on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the on-board snapshot.?
2.
Shutter grille condition check:

Shutter grille condition check
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Check for condition (damage, fixation, foreign material, etc.) at shutter grille.

Is the shutter grille OK?

     
YES
     
     
     
Go to step 3.
     
NO
     
     
     
Reassembly or repair the shutter grille, if needed.?
3.
Shorted wire check (+B FR FOG line):

Shorted wire check (+B FR FOG line)
?1.
Check the following fuse.
Fuse
No. A22 (15 A)
Location
Under-hood fuse/relay box

Is the fuse OK?

     
YES
     
     
     
Go to step 4.
     
NO
     
     
     
Repair a short in the +B FR FOG wire between shutter grille (lower) and the No. A22 (15 A) fuse. Also replace the No. A22 (15 A) fuse.?
4.
Open wire check (+B FR FOG line):

Open wire check (+B FR FOG line)
?1.
Disconnect the following connector.
Shutter grille (lower) 4P connector

?2.
Measure the voltage between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Shutter grille (lower) 4P connector: disconnected
Test point 1
Shutter grille (lower) 4P connector (female terminals) No. 3:
Test point 2
Body ground


Is there battery voltage?

     
YES
     
     
     
Go to step 5.
     
NO
     
     
     
Repair an open in the +B FR FOG wire between the shutter grille (lower) and the No. A22 (15 A) fuse in the under-hood fuse/relay box.?
5.
Open wire check (GND line):

Open wire check (GND line)
?1.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Shutter grille (lower) 4P connector: disconnected
Test point 1
Shutter grille (lower) 4P connector (female terminals) No. 2:
Test point 2
Body ground


Is there continuity?

     
YES
     
     
     
     
NO
     
     
     
Repair an open in the GND wire between the shutter grille (lower) and G251.?