Problem Symptoms Table

Inspect the suspected areas in numerical order by referring to the corresponding pages when any of the following symptoms occurs:

ELECTRIC STEERING LOCK FUNCTION:

Symptom	Suspected Area	See page
Steering wheel cannot be unlocked (the engine cannot be started).	1. Initialization	Refer to INITIALIZATION
	2. Check for DTCs in the smart access system with push-button start.	Refer to DIAGNOSTIC TROUBLE CODE CHART
	3. Check for DTCs in the engine immobilizer system.	Refer to DTC CHECK / CLEAR
	4. Check that the Lock/Unlock Receive item in the DATA LIST of the certification ECU displays YES within 10 seconds after starting the engine. (If it displays NO, see "No steering unlock command" in this table.)	Refer to DATA LIST / ACTIVE TEST
	5. Check the input signal from the IGE terminal of the steering lock ECU.	Refer to Steering Lock Motor Drive Power Circuit
	6. Steering lock ECU power source circuit.	Refer to Power Source Circuit
	7. Replace the steering lock ECU.	See step />
Steering wheel cannot be unlocked (no steering unlock command).	1. Check that the S Code Check item in the DATA LIST of the certification ECU displays OK. (If it displays NG, replace the ID code box.)	-
	2. Check that the L Code Check item in the DATA LIST of the certification ECU displays OK. (If it displays NG, replace the ID code box.)	-
	3. Replace the certification ECU.	-
Steering wheel cannot be locked.	1. Check for DTCs in the smart access system with push-button start.	Refer to DIAGNOSTIC TROUBLE CODE CHART
	2. Check for DTCs in the engine immobilizer system.	Refer to DTC CHECK / CLEAR
	3. With the engine switch off and the shift lever in the P position, open and close the drivers door. After that, check that the Lock/Unlock Receive item in the DATA LIST of the certification ECU displays YES within 10 seconds. (If it displays NO, see "No steering lock command" in this table.)	Refer to DATA LIST / ACTIVE TEST
	4. Check the input signal from the IGE terminal of the steering lock ECU.	Refer to Steering Lock Motor Drive Power Circuit
	5. Steering lock ECU power source circuit.	Refer to Power Source Circuit
	6. Replace the steering lock ECU.	See step />
Steering wheel cannot be locked (no steering lock command).	1. Courtesy light switch circuit	Refer to Door Courtesy Switch Circuit
	2. Check that the S Code Check item in the DATA LIST of the certification ECU displays OK. (If it displays NG, replace the ID code box.)	-
	3. Check that the L Code Check item in the DATA LIST of the certification ECU displays OK. (If it displays NG, replace the ID code box.)	-
	4. Replace the certification ECU.	-

SMART ACCESS SYSTEM WITH PUSH-BUTTON START FUNCTION:

Symptom	Suspected Area	See page
Engine does not start.	1. Initialization	Refer to INITIALIZATION
	2. Check for DTCs in the smart access system with push-button start.	Refer to DIAGNOSTIC TROUBLE CODE CHART
	3. Check for DTCs in the engine immobilizer system.	Refer to DTC CHECK / CLEAR
	4. Check that the engine switch is turned on (IG).	-
	5. Check cranking operation. (If cranking operation is possible, see "Engine does not start due to the engine immobilizer" in this table.)	-
	6. Check Shift P Signal in the DATA LIST of the main body ECU and confirm that the shift signal is normal.	-
	7. Check whether the steering wheel is locked or unlocked. (If it is locked, see "Steering wheel cannot be unlocked" in the steering lock function table.)	-
	8. Check the output from the SLP terminal of the steering lock ECU.	Refer to Unlock Position Sensor Signal Circuit
	9. Check the output signal from the ST SW of the certification ECU (DTC B2275).	Refer to DTC B2275: STSW Monitor Malfunction
	10. Replace the main body ECU.	-
Engine does not start due to the engine immobilizer.	1. Check that the L Code Check item in the DATA LIST of the certification ECU displays OK. (If it displays NG, replace the ID code box.)	-
	2. Check that the Engine Start Request item in the DATA LIST of the certification ECU displays YES. (If it displays NO, replace the certification ECU.)	-
	3. Check that the S Code Check item in the DATA LIST of the certification ECU displays OK. (If it displays NG, replace the ID code box.)	-
	4. Replace the ID code box.	-