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 These DTCs are stored when there is a CAN communication malfunction between the certification ECU (smart key ECU assembly), skid control ECU (brake actuator assembly), ECM, main body ECU (multiplex network body ECU) or combination meter assembly, and data from the option connector (bus b
DESCRIPTION The combination meter assembly communicates with each ECU via CAN communication.
DTC No. Detection Item
DTC Detection Condition Trouble Area
U010087 Lost Communication With ECM/PCM "A" Missing Message
Diagnosis Condition:
The ignition switch is ON
Work Procedure
Lost Communication with Brake System Control Module Missing Message (U012987,U014087,U015587,U111787)
