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ENGINE (J05E)/TROUBLESHOOTING
2–755
DTC: P1427
EN01H02127030602016126
P1427: Differential pressure sensor - out of range (Out of range low)
INFORMATION
1.
Technical description
•
It detects a difference between pressure at the inlet of the muffler and atmospheric pressure and monitors any fail-
ure or malfunction of the DPR.
<Description of malfunction>
•
Exhaust pressure cannot be correctly recognized.
•
Possible DPR differential pressure sensor failure, harness disconnection, or GND short-circuit
2.
DTC set condition
(1)
DTC detection condition
•
Starter key "ON".
•
Battery voltage is in the range of 10 V to 16 V.
(2)
Judgement criteria
•
Output of the DPR differential pressure sensor remains less than 0.59 V (-4.1 kPa) for 3 seconds or more.
3.
Reset condition
•
Immediately after normal operation is restored.
4.
Indication, warning or system control regulation when the DTC is set.
•
MIL: ON
•
SVS light: OFF
Engine ECU
(VC)
(PEX)
(E2)
ECE
ECF
ECG
TYP 0.018A
TYP 0.001A
TYP 0.018A
+QG
+Q6
+QF
DPR differential
pressure sensor
YWK
EB6
YWL
(EP1)
(PEX)
(VCP1)
SHTS021270300685