The radiator shutter assembly may be half open (half closed) due to foreign matter, such as snow or dirt.
Before performing troubleshooting, change the grille shutter control mode to maintenance mode.
for A25B-FXS:
for A25D-FXS:
for A25F-FXS:
If the radiator shutter assembly has been replaced with a new one, perform initialization and change the grille shutter control mode.
for A25B-FXS:
for A25D-FXS:
for A25F-FXS:
According to the display on the GTS, change the grille shutter control mode from normal mode to maintenance mode.
for A25B-FXS:
for A25D-FXS:
for A25F-FXS:
| Tester Display |
|---|
| Switch Grille Shutter Control Mode |
Read the Data List according to the display on the GTS.
for A25B-FXS:
for A25D-FXS:
for A25F-FXS:
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Grille Shutter Control Mode | Grille shutter control mode status | Normal or Maintenance | ·
Normal: Normal mode ·
Maintenance: Maintenance mode |
- |
| Tester Display |
|---|
| Grille Shutter Control Mode |
Check that "Maintenance" is displayed for Data List item "Grille Shutter Control Mode".
| Proceed to |
|---|
| NEXT |
NEXT
Check that the radiator shutter assembly is free of foreign matter and ice.
The radiator shutter assembly is free of foreign matter and ice.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
When changing the grille shutter control mode and/or performing initialization by driving the vehicle, the grille shutter control mode can only be changed and initialization can only be performed if the grille shutter system is in maintenance mode.
for A25B-FXS:
for A25D-FXS:
for A25F-FXS:
According to the display on the GTS, perform Grille Shutter Initialization.
| Tester Display |
|---|
| Grille Shutter Initialization |
| Proceed to |
|---|
| NEXT |
NEXT
Use the GTS to perform Active Test to operate the grille shutter and remove any foreign matter.
for A25B-FXS:
for A25D-FXS:
for A25F-FXS:
If foreign matter is trapped on the opening side, move the grille shutter in the closing direction. If foreign matter is trapped on the closing side, move the grille shutter in the opening direction.
| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Control the Grille Shutter | Control the radiator shutter assembly | 0% (open) to 100% (close) | Perform this test when the following conditions are met:
·
Power switch on (IG) ·
Auxiliary battery voltage 10.5 to 16 V |
| Proceed to |
|---|
| NEXT |
NEXT
According to the display on the GTS, change the grille shutter control mode from maintenance mode to normal mode.
for A25B-FXS:
for A25D-FXS:
for A25F-FXS:
| Tester Display |
|---|
| Switch Grille Shutter Control Mode |
Read the Data List according to the display on the GTS.
for A25B-FXS:
for A25D-FXS:
for A25F-FXS:
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Grille Shutter Control Mode | Grille shutter control mode | Normal or Maintenance | Normal: Normal mode
Maintenance: Maintenance mode |
- |
| Tester Display |
|---|
| Grille Shutter Control Mode |
Check that "Normal" is displayed for Data List item "Grille Shutter Control Mode".
| Proceed to |
|---|
| NEXT |
NEXT