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OPERATION
DEF LEVEL GAUGE
DEF level gauge indicates the remaining level of DEF.
If the indicator is in green range during operations, it is normal.
If the indicator comes close to (A) of red range during opera-
tion, check and add DEF.
(A) to (B): Red range
(A) to (C): Green range
When the indicator is in red range from (A) to (B), DEF level
caution lamp (1) lights up in red.
If DEF level further decreases after the monitor lights up in red,
the engine power is derated. For detail, see "HANDLE UREA
SCR SYSTEM WARNING (3-123)".
When remaining level of DEF cannot be detected, DEF level caution lamp (1) lights up in white.
REMARK
•
Immediately after turning the starting switch to ON position and during the engine is running, DEF level cau-
tion lamp (1) lights up in white. However, this does not indicate abnormality.
•
In cold weather, DEF level cannot be detected and DEF level caution lamp (1) lights up in white for approxi-
mately 1 hour. However, this does not indicate abnormality.
•
Even if DEF level caution lamp (1) does not light up in white, it may take a long time for DEF level gauge to
display the correct position.
Note that the following cases are not abnormal:
•
When DEF is added while the starting switch is kept at ON position.
•
When the starting switch is turned to ON position immediately after adding DEF (within approximately
30 seconds).
Before adding DEF, turn the starting switch to OFF position. Wait for a while after adding, then turn the
starting switch to ON position.
MONITOR SWITCHES
(1) Function switch
(2) Working mode selector switch
(3) Auto-deceleration switch
(4) Travel speed selector switch
EXPLANATION OF COMPONENTS
(5) Wiper switch
(6) Window washer switch
(7) Buzzer cancel switch
(8) Air conditioner switch
3-43
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