Inspection steps
- DTC check
- Check the displayed DTC.
Criteria: DTCs other than U**** are not output
NO: Perform the diagnosis according to the DTC.
YES: Go to next step
- Check the displayed DTC.
- DTC check
- Check the displayed DTC.
Criteria: U0327 is output
NO: Go to "How to simulate trouble phenomenon" (Refer to PROCEDURES FOR MALFUNCTION PHENOMENON SIMULATION )
YES: Go to next step
- Check the displayed DTC.
- Checking CAN communication circuit
- Check CAN communication circuit. (Refer to CHECKING CAN COMMUNICATION CIRCUIT
)
Criteria: No fault is found.
NO: Follow the repair procedure described in "CAN communication circuit check".
YES: Go to next step
- Check CAN communication circuit. (Refer to CHECKING CAN COMMUNICATION CIRCUIT
)
- DTC check
- Use SSM3 to read DTC.
Criteria: U0327 is output
NO: Go to "How to simulate trouble phenomenon" (Refer to PROCEDURES FOR MALFUNCTION PHENOMENON SIMULATION )
YES: Go to next step
- Use SSM3 to read DTC.
- DTC check
- Use SSM3 to read DTCs of all the systems.
Criteria: U0327 is not detected from more than one module
NO: Replace the collation ECM (Smart key computer assembly).
YES: Go to next step
- Use SSM3 to read DTCs of all the systems.
- Replacement of the module
- Replace the collation ECM (Smart key computer assembly).NOTE: Do not register the key.
- Use SSM3 to read DTC.
Criteria: U0327 is output
NO: System is normal.
YES: Go to next step
- Replace the collation ECM (Smart key computer assembly).
- Replacement of the module
- Reinstall the collation ECM (Smart key computer assembly).
- Replace the module that DTC has been detected.
- Use SSM3 to read DTC.
Criteria: U0327 is output
NO: System is normal.
YES: Replace the collation ECM (Smart key computer assembly).