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
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ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT
CAUTION:
When working near the engine room while the engine has started or the power source mode is ignition switch to ON, do not touch the rotating components such as the fan, etc.
Touching rotating components such as the fan, etc. could re
DIAGNOSIS SYSTEM DESCRIPTION When troubleshooting a vehicle with a diagnosis system, the only difference from the usual troubleshooting procedure is connecting the GTS to the vehicle and reading various data output from the engine stop and start ECU.
The engine stop and start ECU records DTCs when