DTC P05A0-74: Active Grille Air Shutter "A" Actuator Slipping [12/2019 - 10/2021]: Procedure

1. According to the display on the GTS, change the grille shutter control mode from normal mode to maintenance mode.

   Body Electrical > Grill Shutter > Utility 

   Tester Display
   Grill Shutter Control Mode Switching

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. According to the display on the GTS, perform the Active Test and read the Data List.

   Body Electrical > Grill Shutter > Active Test 

   Active Test Display
   Shutter Closing Operation Lock Detection

   Data List Display
   Close Motor Lock
   End Shaft SW

   Standard

   Active Test Item	Data List Item
   	Close Motor Lock	End Shaft SW
   Shutter Closing Operation Lock Detection	Detected	Fully Closed Position

2. According to the display on the GTS, perform the Active Test and read the Data List.

   Body Electrical > Grill Shutter > Active Test 

   Active Test Display
   Shutter Opening Operation Lock Detection

   Data List Display
   Open Motor Lock
   End Shaft SW

   Standard

   Active Test Item	Data List Item
   	Open Motor Lock	End Shaft SW
   Shutter Opening Operation Lock Detection	Detected	Fully Open Position

   HINT: 

   Perform "Grill Shutter Control Mode Switching and Grill Shutter Initialization" after replacing the swing grille actuator assembly.

   Refer to INITIALIZATION [12/2019 - 10/2021]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE SWING GRILLE ACTUATOR ASSEMBLY 

Refer to PROCEDURE - Step 2

Result: 

NG 

See step  3

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the radiator shutter sub-assembly.

   Refer to PROCEDURE - Step 5 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 5 [09/2020 - 10/2021]

2. Remove the swing grille actuator assembly.

   Refer to PROCEDURE - Step 2

3. Check the connecting parts of the swing grille actuator assembly and radiator shutter sub-assembly shown in the illustration for wear and damage.

   Result

   Result	Proceed to
   Swing grille actuator assembly is worn or damaged	A
   Radiator shutter sub-assembly is worn or damaged	B
   Normal	C

   HINT: 

   Perform "Grill Shutter Control Mode Switching and Grill Shutter Initialization" after replacing the swing grille actuator assembly or radiator shutter sub-assembly.

   Refer to INITIALIZATION [12/2019 - 10/2021]

Result: 

A 

REPLACE SWING GRILLE ACTUATOR ASSEMBLY 

Refer to PROCEDURE - Step 2

Result: 

B 

REPLACE RADIATOR SHUTTER SUB-ASSEMBLY 

Refer to PROCEDURE - Step 5 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 5 [09/2020 - 10/2021]

Result: 

C 

See step  4

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the radiator shutter sub-assembly.

   Refer to PROCEDURE - Step 5 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 5 [09/2020 - 10/2021]

2. Remove the swing grille actuator assembly.

   Refer to PROCEDURE - Step 2

3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   z20-2 (SEN-1) - A53-1 (GND)	Grille shutter fully closed	Below 1 Ω
   	Grille shutter in any position other than fully closed	10 kΩ or higher
   z20-4 (SEN-2) - A53-1 (GND)	Grille shutter fully open	Below 1 Ω
   	Grille shutter in any position other than fully open	10 kΩ or higher

   HINT: 

   Perform "Grill Shutter Control Mode Switching and Grill Shutter Initialization" after replacing the swing grille actuator assembly or radiator shutter sub-assembly.

   Refer to INITIALIZATION [12/2019 - 10/2021]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE SWING GRILLE ACTUATOR ASSEMBLY 

Refer to PROCEDURE - Step 2

Result: 

NG 

REPLACE RADIATOR SHUTTER SUB-ASSEMBLY 

Refer to PROCEDURE - Step 5 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 5 [09/2020 - 10/2021]