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:
DTC CHECK / CLEAR NOTICE: When the diagnosis system is changed from normal mode to check mode or vice versa, all DTCs and Freeze Frame Data recorded in normal mode are cleared. Before changing modes, always check and make a note of DTCs and Freeze Frame Data.
HINT:
DTCs which are stored in the
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE
1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)
(a) Check the PCV valve (ventilation valve sub-assembly) operation.
(1) Start the engine. (2) Slide the clip and disconnect the No. 2 ventilation hose from the cylinder head cover su
Work Procedure
Dtc Check / Clear
