Nissan Frontier D22. Manual - part 447
DTC P0405, P0406 EGRT SENSOR
EC-891
[VG33E]
C
D
E
F
G
H
I
J
K
L
M
A
EC
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 5 seconds before conducting the next test.
PROCEDURE FOR DTC P0405
With CONSULT-II
1.
Turn ignition switch ON.
2.
Select “DATA MONITOR” mode with CONSULT-II.
3.
Verify that engine coolant temperature is less than 50
°C
(122
°F).
If the engine coolant temperature is above the range, cool
the engine down.
4.
Start engine and let it idle for at least 8 seconds.
5.
If 1st trip DTC is detected, go to
EC-894, "Diagnostic Procedure"
.
With GST
●
Follow the procedure “With CONSULT-II”.
PROCEDURE FOR DTC P0406
CAUTION:
Always drive vehicle at a safe speed.
With CONSULT-II
1.
Start engine and warm it up to normal operating temperature.
2.
Confirm that EGR valve is not lifting.
If the result is NG, perform trouble diagnosis for DTC P1402. Refer to
3.
Select “DATA MONITOR” mode with CONSULT-II.
4.
Read “EGR TEMP SEN” at about 1,500 rpm while holding the
EGR valve in full open position by hand.
Voltage should decrease to less than 1.5V.
If the result is NG, go to
EC-894, "Diagnostic Procedure"
If the result is OK, go to following step.
5.
Turn ignition switch OFF and wait at least 5 seconds.
6.
Turn ignition switch ON.
7.
Check the output voltage of “THRTL POS SEN” (at closed throt-
tle position) and note it.
8.
Start engine.
9.
Maintain the following conditions for at least 5 consecutive seconds.
10. If 1st trip DTC is detected, go to
EC-894, "Diagnostic Procedure"
.
Overall Function Check
UBS00DKF
Use this procedure to check the overall function of the EGR temperature sensor. During this check, a 1st trip
DTC might not be confirmed.
SEF174Y
ENG SPEED
1,600 - 2,400 rpm (A/T)
1,800 - 2,600 rpm (M/T)
COOLAN TEMP/S
Above 70
°C (158°F)
B/FUEL SCHDL
6 - 9 msec
THRTL POS SEN
X
− (X + 0.82) V
X = Voltage value measured at step 7
Selector lever
Suitable position
SEF201Y