The following items must be initialized for normal system operation in cases such as after the battery is reconnected, or maintenance is performed on the vehicle.

Initialization
For ownersPrecaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING THE BATTERY CABLE
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnected:
System
See Procedure
...
Open in CAN Main Bus Line
DESCRIPTION
There may be an open circuit in the CAN bus main wire and/or the DLC3 branch
wire when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is
70 Ω or higher.
Symptom
Trouble Area
Resista ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT GARAGE DOOR OPENER
(a) To inspect the garage door opener system, press each switch and check
that the LED in the "HomeLink" logo illuminates as illustrated. If one or
more of the switch ...