Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.


Stop the vehicle immediately.
Follow the correction procedures.Precaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following system after the terminal is reconnected:
System Name
...
Power Management Control ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Power Management Control ECU Communication Stop Mode
"Electric Power Control" is not displayed on the CAN Bus Check
screen ...
Operation Check
OPERATION CHECK
1. CHECK FUNCTION
(a) Check that the key reminder warning buzzer sounds.
(1) With the driver side door closed, insert the key into the ignition key cylinder
and then make sure that the key is in LOCK or ACC.
(2) Check that the buzzer soun ...