| Last Modified: 7-3-2017 | 6.8:8.0.40 | Doc ID: RM000001BBT001X |
| Model Year Start: 2007 | Model: LX470 | Prod Date Range: [08/2006 - ] |
| Title: STEERING COLUMN: VARIABLE GEAR RATIO STEERING SYSTEM: VGRS System Stops or does not Operate; 2007 MY LX470 [08/2006 - ] | ||
|
VGRS System Stops or does not Operate |
INSPECTION PROCEDURE
After checking that the DTC of VGRS is normal, perform the following procedure.
PROCEDURE
|
1. |
CHECK MTR OVERHEAT ON VGRS DATA LIST*1 |
Result
|
Result |
Proceed to |
|---|---|
|
Rec (Record of motor overheating available) |
A |
|
Unrec (No record of motor overheating available) |
B |
HINT:
Clear MTR overheat. Refer to DATA LIST
![2007 MY LX470 [08/2006 - ]; STEERING COLUMN: VARIABLE GEAR RATIO STEERING SYSTEM: DATA LIST / ACTIVE TEST](../../../../stylegraphics/info.gif "2007 MY LX470 [08/2006 - ]; STEERING COLUMN: VARIABLE GEAR RATIO STEERING SYSTEM: DATA LIST / ACTIVE TEST")
.
| B |
|
|
|
2. |
CHECK HEAT PROTECTION OF ACTUATOR |
(a) Turn the ignition switch ON for 15 minutes.
(b) After 15 minutes, start the engine and perform lock to lock steering slowly (Approximately 90°/sec.) 3 times.
(c) Check number of turns from lock to lock.
Result
|
Result |
Proceed to |
|---|---|
|
2.4 turns |
A |
|
3.3 turns |
B |
| A |
|
|
|
3. |
CHECK STEERING EFFORT |
(a) Turn the ignition switch ON and start the engine.
(b) Perform steering.
(c)
Check the steering effort
.
OK:
Below 4.9 N*m (50 kgf*cm, 43 ft.*lbf)
HINT:
After completing the inspection or repair, attempt to simulate the problem, and then perform *1 again to reconfirm that the problem does not occur.
| NG |
|
|
|
4. |
CHECK FOR ANY ABNORMAL NOISE AND VIBRATION IN VGRS ACTUATOR |
| NG |
|
|
|
5. |
CHECK POWER AND GROUND CIRCUITS TO VGRS ECU |
| NG |
|
| OK |
|
|
|