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:
You must only use unleaded
gasoline.
Select octane rating of 87
(Research Octane Number
91) or higher. Use of
unleaded gasoline with an
octane rating lower than 87
may result in engine knocking.
Persistent knocking
can lead to engine damage.
At minimum, the gasoline you
use should meet the specifi
DESCRIPTION The starter inrush current reduction relay prevents the auxiliary battery voltage from becoming dropping excessively while the starter assembly is operating. If the auxiliary battery voltage drops below the threshold, stop and start control will be prohibited. In order to prevent this, t
Work Procedure
Fuel information
