| Last Modified: 11-27-2007 | 1.6 T | |
| Service Category: Steering | Section: Steering Column | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM00000287I00CX |
| Title: STEERING COLUMN: STEERING LOCK SYSTEM: PROBLEM SYMPTOMS TABLE (2008 LX570) | ||
PROBLEM SYMPTOMS TABLE
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Steering Lock System
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Steering wheel cannot unlock (engine cannot start). |
Steering lock actuator assembly (Steering lock ECU) |
|
|
Main body ECU |
|
|
|
Certification ECU (Smart key ECU assembly) |
|
|
|
Smart access system with push-button start (for start function) |
|
|
|
Steering lock motor drive power circuit |
|
|
|
Unlock position sensor signal circuit |
|
|
|
Steering wheel cannot unlock (after connecting the Techstream to DLC3, starting engine, Data List steering lock system item Lock/Unlock Receive data is read, and steering lock command reception records display is NO). |
Main body ECU |
|
|
Certification ECU (Smart key ECU assembly) |
|
|
|
ID code box (Immobiliser code ECU) |
|
|
|
LIN communication line |
|
|
|
Smart access system with push-button start (for start function) |
|
|
|
Steering wheel cannot lock. |
Steering lock actuator assembly (Steering lock ECU) |
|
|
Main body ECU |
|
|
|
Certification ECU (Smart key ECU assembly) |
|
|
|
Smart access system with push-button start (for start function) |
|
|
|
Steering lock motor drive power circuit |
|
|
|
Power source circuit |
|
|
|
Steering wheel cannot lock (after connecting the Techstream to DLC3, starting engine, Data List steering lock system item Lock/Unlock Receive data is read, and steering lock command reception records display is NO). |
Main body ECU |
|
|
Certification ECU (Smart key ECU assembly) |
|
|
|
ID code box (Immobiliser code ECU) |
|
|
|
LIN communication line |
|
|
|
Smart access system with push-button start (for start function) |
|
|
|