| Confirmation Procedure |
Basic Condition:
- No other DTCs detected
- ABS/VSA function not in operation
Operating Condition:
- 1.
Start the engine.
- 2.
Test-drive the vehicle under these conditions:
(Drive the vehicle on the road, not on a lift. Be careful of the surrounding traffic conditions.)
-
- Vehicle speed at 32 mph (50 km/h) or more
- Do not press the brake pedal for 20 seconds or more
- Change lanes for a few times
|
| Execution |
Regular Diagnosis |
| Duration |
About 5 seconds |
| DTC Type |
- 1 drive cycle
- VSA indicator on
|
| Fail Safe Action |
- Degrade ABS performance
- Stop engine drag torque control function
- Stop TCS function (Fade out)
- Stop VSA function
- Stop hill start assist function
|
| Possible Cause |
- VSA modulator-control unit program not the latest
- VSA modulator-control unit internal failure
|