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Steering Lock Function

PROBLEM SYMPTOMS - STEERING LOCK FUNCTION

Symptom Suspected Area See
Steering wheel cannot be unlocked (the engine cannot be started). Check for DTCs in the push button start. DTC CHECK / CLEAR
Check for DTCs in the smart key system. DTC CHECK / CLEAR
Check the output from the IGE terminal of the steering lock ECU. TERMINALS OF ECU 
Steering lock ECU power source circuit POWER SOURCE CIRCUIT 
Steering lock ECU. TERMINALS OF ECU 
Steering wheel cannot be unlocked (no steering unlock command). Replace the certification ECU. -
Steering wheel cannot be locked. Check for DTCs in the push button start. DTC CHECK / CLEAR
Check for DTCs in the smart key system. DTC CHECK / CLEAR
Check the output from the IGE terminal of the steering lock ECU. TERMINALS OF ECU 
Steering lock ECU power source circuit POWER SOURCE CIRCUIT 
Steering lock ECU. TERMINALS OF ECU 
Steering wheel cannot be locked (no steering lock command). Courtesy light switch circuit DOOR COURTESY SWITCH CIRCUIT
Replace the certification ECU. -