Toyota Corolla Cross: When Replacing Or Removing/installing Parts
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WORK PROCEDURE
PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED (for HEV Model)
Replacement Part
Necessary Procedure
Effect/Inoperative Function when Necess
ECU CONFIGURATION
STABILIZE A POWER SOURCE ON THE VEHICLE SIDE
Shut off as many following systems and parts as possible since they would generate
an electrical load.
CAUTION:
If vehicle systems
UPDATE ECU SECURITY KEY
NOTICE:
It is necessary to log in to the Toyota server to perform an ECU security
key update.
Users other than Toyota dealers can log in with a guest account issued
SEE MORE:
DESCRIPTION
Symptom
Trouble Area
Check CAN Communication Connection
CAN main bus line, CAN branch line or connector
Power source circuit of central gateway ECU (network gateway ECU)
Central gateway ECU (network gateway ECU) ground
OPERATION CHECK ACOUSTIC VEHICLE ALERTING SYSTEM OPERATION CHECK
(a) System operation check (vehicle being driven) (1) Turn the ignition switch to ON (READY).
(2) Operate the EV drive mode switch and drive the vehicle using EV drive mode.
(3) Change the shift state from park (P) to drive (D) and
Work Procedure
Check CAN Communication Connection
