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 The ECM uses the engine coolant temperature sensor, installed to the water outlet, to monitor the operation of the thermostat.
DTC No. Detection Item
DTC Detection Condition Trouble Area
MIL Note
P012800 Coolant Thermostat (Coolant Temperature Below Thermo
DESCRIPTION Refer to the description for DTC P0ABF11.
Click here
DTC No. Detection Item
DTC Detection Condition
Trouble Area MIL
Warning Indicate Note
P0ABF28 Hybrid/EV Battery Current Sensor "A" Signal Bias Level Out of Range / Zero Adjustment Failure
Work Procedure
Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) (P012800,P012807)
