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Can't help you with the base boost (other than to make sure you're running higher octane gas), but here's the OM instruction for the TCS:
Traction Control System
How the system works
The traction control system (TCS) is
designed to prevent wheelspin. This
enables the car to achieve the best possible
grip and, hence, maximum tractive effort,
together with greater stability.
The TCS system uses information from the
ABS systems wheel sensors to detect
when the front (driving) wheels are rotating
faster then the rear wheels. It then monitors
whether one driving wheel is rotating faster
than the other. If so, the faster wheel is
retarded until both wheels are rotating at the
same speed.
If the two front wheels are rotating at the
same speed but are turning faster than the
rear wheels, the torque from the engine is
reduced to eliminate the difference.
The process continues until all the wheels
are rotating at the same speed.
The advantages of the TCS system become
most apparent when the cohesion between
the front wheels and the road surface is so
low that one or both of the wheels would
lose their grip were the car not equipped
with the TCS, e.g.:
When the car is pulling away or accelerating
with the front wheels on different surfaces
(e.g. one slippery and one dry). The
TCS then functions like an electronic differential
lock.
When the car is pulling away or accelerating
on a slippery road, in which case the
TCS eliminates wheelspin. The same
applies when the car is reversing.
On cornering, if there is a tendency for the
inner front wheel to rotate faster than the
other wheels.
On overtaking.
TCS OFF
The TCS OFF indicator on the main instrument
panel will come on:
If a fault has been detected and the
system has therefore been switched off.
If there is a fault in the ABS system.
If the system has been switched off manually.
The indicator light will also come on for
4 seconds when the ignition key is turned to
ON, while an internal system check is performed.
TCS indicator
The indicator light will come on for
4 seconds when the ignition key is turned to
ON, while an internal system check is performed.
The TCS light in the tachometer comes on
when the system is operative, i.e. when the
wheels are not rotating at the same speed.
The fact that the TCS system is operative
indicates that the limit for grip has been
exceeded and that the driver must exert
greater care.
Turning the TCS off
The TCS is switched on automatically when
the engine is started.
The system can be switched off manually by
the TCS button, whereupon TCS OFF on
the main instrument panel will come on. The
TCS system cannot be switched off if the car
is travelling faster than 35 mph (60 km/h).
It may be necessary to switch off the system
if the car has become bogged down, for
instance. Press TCS to switch it on again.
If a fault is detected in the ABS system, the
TCS will be switched off automatically.
The cruise-control system will automatically
be disengaged after one second if it is active
when the TCS starts to operate.
Note that you can't turn it off above 35 MPH, so if that's when you're trying to switch it off, that's the reason it won't. If the light doesn't come on when you start the car, then perhaps the bulb in the MIU is burned out.
Hope this helps.
_______________________________________
Current:
2002 9-5 Aero Kombi Cosmic Blue
2000 9-5 SE sedan, Imola Red
1990 900S Rose Quartz, Auto
Past:
1999 9-5 LPT Combi
1999 9-5 LPT sedan
2002 9-5 Arc
1990 900 5-speed
1986 900 turbo Convertible
1991 9000 turbo
1980 99 GLi
1986 900 turbo
1986 900 S
1991 900 turbo
1984 900 turbo
1976 99 GL
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