1. INSPECT FINS BLOCKAGE

(a) If the fins are clogged, wash them with water or a steam cleaner. Dry with compressed air.
NOTICE: If the distance between the steam cleaner and the core is too close, the fins may become damaged.
Keep the following injection distance.
Standard:

ComponentsInitialization
The following items must be initialized for normal system operation
after such cases as the battery being reconnected, or maintenance
being performed on the vehicle:
Item
When to initialize
Power back door*
After reconnecting or changing
the battery
...