Inspection steps

CAUTION:

The entry & start system has functions that use the CAN communication. Before performing troubleshooting, perform the inspection in "How to troubleshoot", and check that there are no communication problems. (Refer to HOW TO PROCEED WITH TROUBLESHOOTING )
Before replacing the collation ECM (smart key ECM ASSY), refer to "entry & start system (entry function)". (Refer to ENTRY & START SYSTEM (ENTRY FUNCTION) )
After repair, perform the [DTC output confirmation operation], and check that the DTC is not output again.

NOTE: Before performing troubleshooting, check the collation ECM (smart key ECM ASSY) for any damage due to water. If symptoms of damage from water are found, replace the collation ECM (smart key ECM ASSY), and take countermeasures against the cause of the damage from water.

Checking for damage from water

Check for any evidence of water on the collation ECM (smart key ECM ASSY), surrounding parts, and wiring harnesses.

RESULT DESCRIPTION

Result	Go to
There is evidence of water.	A
There is no evidence of water.	B

Go to next step
Replacement of the collation ECM (smart key ECM ASSY)

Taking the appropriate countermeasures against damage from water, and replacement the collation ECM (smart key ECM ASSY).