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SEF191Y
SEF192Y
SEF235Y
DTC Confirmation Procedure
NGEC0229
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
쐌 If “DTC Confirmation Procedure” has been previously
conducted, always turn ignition switch OFF and wait at least 5
seconds before conducting the next test.
쐌 P0400 will not be displayed at “SELF-DIAG RESULTS” mode
with CONSULT-II even though DTC work support test result is
“NG”.
TESTING CONDITION:
For best results, perform the test at a temperature above 5°C
(41°F).
With CONSULT-II
1) Turn ignition switch ON.
2) Check “COOLAN TEMP/S” in “DATA MONITOR” mode with
CONSULT-II and confirm it is within the range listed below.
COOLAN TEMP/S: Less than 40°C (104°F)
If the value is out of range, park the vehicle in a cool place and
allow the engine temperature to stabilize. Do not attempt to
lower the coolant temperature with a fan or means other than
ambient air. Doing so may produce an inaccurate diagnostic
result.
3) Start engine and let it idle monitoring “COOLAN TEMP/S”
value. When the “COOLAN TEMP/S” value reaches 70°C
(158°F), immediately go to the next step.
4) Select “EGR SYSTEM P0400” of “EGR SYSTEM” in “DTC
WORK SUPPORT” mode with CONSULT-II.
5) Touch “START”.
6) Accelerate vehicle to a speed of 40 km/h (25 MPH) once and
then stop vehicle with engine running.
If “COMPLETED” appears on CONSULT-II screen, go to step
9.
If “COMPLETED” does not appear on CONSULT-II screen, go
to the following step.
7) Check the output voltage of “THRTL POS SEN” (at closed
throttle position) and note it.
8) When the following conditions are met, “TESTING” will be dis-
played on the CONSULT-II screen. Maintain the conditions
until “TESTING” changes to “COMPLETED”. (It will take
approximately 30 seconds or more.)
ENG SPEED 2,000 - 2,800 rpm
Vehicle speed 10 km/h (6 MPH) or more
B/FUEL SCHDL 7 - 10 msec
THRTL POS SEN (X + 0.23) − (X + 0.74) V
X = Voltage value measured at step 7
Selector lever Suitable position
If “TESTING” is not displayed after 5 minutes, retry from
step 2.
9) Make sure that “OK” is displayed after touching “SELF-DIAG
RESULTS”.If“NG” is displayed, refer to “Diagnostic
Procedure”, EC-332.
DTC P0400 EGR FUNCTION (CLOSE)
KA24DE
On Board Diagnosis Logic (Cont’d)
EC-329
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
GI
MA
EM
LC
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