| Last Modified: 4-30-2014 | 6.6 T | Doc ID: RM0000018A6002X |
| Model Year: 2006 | Model: LX470 | Prod Date Range: [05/2005 - ] |
| Title: STEERING COLUMN: POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM: PROBLEM SYMPTOMS TABLE; 2006 MY LX470 [05/2005 - ] | ||
PROBLEM SYMPTOMS TABLE
This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting.
The table below will be useful for you in troubleshooting these electrical systems. The most likely causes of the malfunction are shown in the order of their probability. Inspect each part in the order shown, and replace the part when it is found to be faulty.
If the instruction "Proceed to next circuit inspection shown on the chart" is given in the flow chart for each circuit, proceed to the circuit with the next highest number in the table to continue the check.
If the problem still occurs even though there are no abnormalities in any of the other circuits, then check and replace the tilt and telescopic ECU.
|
Symptom |
Suspected area |
See page |
|---|---|---|
|
Both tilt and telescopic: Manual, auto away / return and memory functions |
1. Multiplex communication system |
- |
|
2. Key unlock warning switch |
|
|
|
3. Body ECU |
- |
|
|
4. Actuator power source circuit |
|
|
|
5. Position sensor power source circuit |
|
|
|
6. Tilt motor circuit |
|
|
|
7. Telescopic motor circuit |
|
|
|
8. Tilt and telescopic ECU |
|
|
|
Tilt only: Manual, auto away / return and memory functions do not operate, |
1. Multiplex communication system |
- |
|
2. Position sensor power source circuit |
|
|
|
3. Tilt motor circuit |
|
|
|
4. Tilt and telescopic ECU |
|
|
|
Telescopic only: Manual, auto away / return and memory functions do |
1. Multiplex communication system |
- |
|
2. Position sensor power source circuit |
|
|
|
3. Telescopic motor circuit |
|
|
|
4. Tilt and telescopic ECU |
|
|
|
Both tilt and telescopic: Only tilt and telescopic manual switch function |
1. Multiplex communication system |
- |
|
2. Tilt motor circuit |
|
|
|
3. Telescopic motor circuit |
|
|
|
4. Tilt and telescopic ECU |
|
|
|
Tilt only: Only tilt and telescopic manual switch function does not |
1. Multiplex communication system |
- |
|
2. Tilt motor circuit |
|
|
|
3. Tilt and telescopic ECU |
|
|
|
Telescopic only: Only tilt and telescopic manual switch function does |
1. Multiplex communication system |
- |
|
2. Telescopic motor circuit |
|
|
|
3. Tilt and telescopic ECU |
|
|
|
Both away and return: Only auto away / return function does not operate |
1. Check status of auto away function using intelligent tester |
- |
|
2. Multiplex communication system |
- |
|
|
3. Ignition switch |
|
|
|
4. Key unlock warning switch |
|
|
|
5. Tilt motor circuit |
|
|
|
6. Telescopic motor circuit |
|
|
|
7. Tilt and telescopic ECU |
|
|
|
Only away: Only Auto away / return function does not operate |
1. Multiplex communication system |
- |
|
2. Key unlock warning switch |
|
|
|
3. Ignition switch |
|
|
|
4. Tilt motor circuit |
|
|
|
5. Telescopic motor circuit |
|
|
|
6. Tilt and telescopic ECU |
|
|
|
Only return: Only auto away / return function does not operate |
1. Multiplex communication system |
- |
|
2. Key unlock warning switch |
|
|
|
3. Ignition switch |
|
|
|
4. Tilt motor circuit |
|
|
|
5. Telescopic motor circuit |
|
|
|
6. Tilt and telescopic ECU |
|
![2006 MY LX470 [05/2005 - ]; ENGINE IMMOBILISER: UNLOCK WARNING SWITCH: INSPECTION](../../../../stylegraphics/info.gif "2006 MY LX470 [05/2005 - ]; ENGINE IMMOBILISER: UNLOCK WARNING SWITCH: INSPECTION")
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