Symptom
| Suspected Area
| See page
|
Steering wheel cannot be unlocked (the engine cannot be started).
| Initialization
| COROLLA_ZRE142 RM000001PWX02WX.html
|
Check for DTCs in the smart key system. (for Start Function)
| COROLLA_ZRE142 RM000000XIZ0EQX.html
|
Check for DTCs in the engine immobiliser system. (for w/ smart key system)
| COROLLA_ZRE142 RM000000QY6060X.html
|
Check that the Lck/Unlck Rec 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.)
| COROLLA_ZRE142 RM000000XWV044X.html
|
Steering lock ECU power source circuit
| COROLLA_ZRE142 RM000000XWQ04HX.html
|
Check the input signal from the IGE terminal of the steering lock ECU.
| COROLLA_ZRE142 RM000000XWX04WX.html
|
Replace the steering lock ECU.
| COROLLA_ZRE142 RM0000029SZ02TX.html
|
Steering wheel cannot be unlocked (no steering unlock command).
| Check that the S Code Chk item in the Data List of the certification ECU displays OK. (If it displays NG, replace the ID code box.)
| -
|
Check that the L Code Chk item in the Data List of the certification ECU displays OK. (If it displays NG, replace the ID code box.)
| -
|
Replace the certification ECU.
| -
|
Check for DTCs in the smart key system. (for Start Function)
| COROLLA_ZRE142 RM000000XIZ0EQX.html
|
Check for DTCs in the engine immobiliser system. (for w/ smart key system)
| COROLLA_ZRE142 RM000000QY6060X.html
|
With the engine switch off and the shift in the P position, open and close the drivers door. After that, check that the Lck/Unlck Rec 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.)
| COROLLA_ZRE142 RM000000XWV044X.html
|
Steering lock ECU power source circuit
| COROLLA_ZRE142 RM000000XWQ04HX.html
|
Check the input signal from the IGE terminal of the steering lock ECU.
| COROLLA_ZRE142 RM000000XWX04WX.html
|
Replace the steering lock ECU.
| COROLLA_ZRE142 RM0000029SZ02TX.html
|
Steering wheel cannot be locked (no steering lock command).
| Courtesy light switch circuit
| COROLLA_ZRE142 RM0000011T3080X.html
|
Check that the S Code Chk item in the Data List of the certification ECU displays OK. (If it displays NG, replace the ID code box.)
| -
|
Check that the L Code Chk item in the Data List of the certification ECU displays OK. (If it displays NG, replace the ID code box.)
| -
|
Replace the certification ECU.
| -
|