Kenworth T410, Driver'S Handbook Manual

Page: 134 / 418

Page 108 CAT: 8612 November 2019
OPERATING INSTRUCTIONS
If the AdBlue indicator light turns on, check the AdBlue level and refill if
necessary. Failure to refill may cause the engine to derate and limit vehicle
speed.
EAS SYSTEM TAMPERING
If the engine system detects failures that may be the result of tampering
with the EAS system, the Check Engine light will come on, the engine will
derate, and if fitted the warning lamp will be on.
DIESEL EXHAUST FLUID - AdBlue LEVEL
If the engine detects that AdBlue level is below acceptable levels the
AdBlue warning light will flash, the Check Engine light will come on and
the engine will be derated.
Levels given are for example only. Actual levels depend on specific vehicle
configuration. SCR System Tampering: If the engine system detects
failures that may be the result of tampering with the SCR system, the
Check Engine light will come on, the engine will derate, and if equipped the
Malfunction Indicator Lamp (MIL) will be on. AdBlue Level: If the engine
detects that AdBlue level is below acceptable levels (12%) the AdBlue
warning light will flash, when the level is below 6% the Check Engine light
will come on, and the engine will be derated.
Stop Engine Check Engine After Treatment
Warning Light Warning Lamp Warning Light
STOP
AdBlue Warning Lights in Main Instruments Panel
‘ENGINE DERATE’ MEANS; ENGINE POWER LIMITING
Derate will only be activated at vehicle standstill or at engine idle if the
vehicle speed sensor has failed.
When the above conditions to activate derate are no longer applicable,
the derate is de-activated immediately.
Derate will be de-activated as soon as the On Board Diagnostics (OBD)
monitoring of the specific fault has completed and passed.