DTC 21 [IMMOBILIZER SYSTEM]
id0902e4904600
WE-C, WL-3, WL-C
|
DTC 21 |
Code word/ID number stored in immobilizer unit EEPROM cannot be read. |
|---|---|
|
POSSIBLE CAUSE
|
• Defective immobilizer unit
|
Diagnostic procedure
|
STEP |
INSPECTION |
ACTION |
|
|---|---|---|---|
|
—
|
INSPECT IMMOBILIZER UNIT
• Turn engine switch from LOCK position to START position for 2 seconds.
• Does security light indicate DTC 21 again?
|
Yes
|
Replace immobilizer unit and reprogram immobilizer system.
|
|
No
|
Immobilizer system is okay.
|
||
WLT-2
|
DTC 21 |
Code word/ID number memorized in immobilizer unit EEPROM cannot be read. |
|---|---|
|
POSSIBLE CAUSE
|
• Defective immobilizer unit
|
Diagnostic procedure
|
STEP |
INSPECTION |
ACTION |
|
|---|---|---|---|
|
—
|
INSPECT IMMOBILIZER UNIT
• Turn engine switch from LOCK position to ON position.
• Does security light indicate DTC 21 again?
|
Yes
|
Replace immobilizer unit and reprogram immobilizer system.
|
|
No
|
Immobilizer system is okay.
|
||