Other Features
96
DEF QUALITY
DRIVER WARNING AND INDUCEMENT
CONDITION
TELLTALE LIGHT AND MESSAGE IN
THE DRIVER INFORMATION DISPLAY
INDUCEMENT
Poor DEF quality detected (dilution)
Emission of initial diagnostic
troubleshooting code (DTC).
lighted
solid
message:
SCR PERFORMANCE
LOW
ENGINE WILL DERATE
SOON
None
1 hour after poor DEF quality detection
(chronological time after the initial
tampering DTC emission).
lighted
solid
message:
SCR
MALFUNCTION
ENGINE IN DERATE
CHECK SCR TO AVOID
5 mph (8km/h) LIMIT
Gradual engine
torque reduction of
25%.
3 hours after poor DEF quality detection
(chronological time after the initial
tampering DTC emission)
moreover
a diesel fuel refueling is done and the
diesel fuel level gauge increases more
than 15% (approx. 34 gallons/130 liters)
or
the vehicle remains stationary (speed=0)
for 20 min. with engine OFF or at idle.
lighted
solid
message:
SERVICE
SCR
SYSTEM
5 mph (8km/h) LIMIT
Vehicle road speed
limited (RSL) to 5
mph (8 km/h)
The vehicle has to
remain stationary
before 5 mph (8
km/h) road speed
limit becomes
active.
Conditions to temporarily exit the 5 mph (8 km/h) road speed limit inducement
First engine restart
: At the first engine restart, the engine returns to the 25% torque reduction until
proper DEF quality evaluation occurs. If poor DEF quality is detected during the next monitoring cycle
then the 8 km/h (5 mph) speed limitation will resume after vehicle is stationary for 20 minutes.
After the second engine restart, Premium Tech Tool is required to exit the 5 mph (8 km/h) RSL.
With Premium Tech Tool:
Invoke 25% torque reduction until proper DEF quality evaluation occurs. If
poor DEF quality is detected during the next monitoring cycle then the 8 km/h (5 mph) speed limitation
will resume after vehicle is stationary for 20 minutes.
Repeating poor DEF quality within 40 hours since correction will resume the inducement stage.
If correction occurs during road speed limitation, repeating poor DEF quality will invoke immediate 25%
engine torque reduction, then 5 mph (8 km/h) road speed limitation upon vehicle stationary state of 20
minutes.
Summary of Contents for X3-45 2011
Page 1: ...COACH MANUFACTURER OPERATOR S MANUAL X3 45 COACH PA1581...
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Page 171: ...Technical Information 165 X3 45 OVERALL DIMENSIONS SIDE ELEVATION 18673...
Page 172: ...Technical Information 166 X3 45 OVERALL DIMENSIONS TOP FRONT AND REAR VIEWS 18674...
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