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EC-1574
[YD (WITHOUT EURO-OBD)]
DTC P0192, P0193 FRP SENSOR
DTC P0192, P0193 FRP SENSOR PFP:16638
Description BBS0029N
The fuel rail pressure (FRP) sensor is placed to the fuel rail. It measures the fuel pressure in the fuel rail. The
sensor sends voltage signal to the ECM. As the pressure increases, the voltage rises.
The ECM controls the fuel pressure in the fuel rail by the inlet throttling device. The ECM uses the signal from
fuel rail pressure sensor as a feedback signal.
CONSULT-II Reference Value in Data Monitor Mode BBS0029O
Specification data are reference values.
On Board Diagnosis Logic BBS0029P
The MI will not light up for these self-diagnoses.
NOTE:
● If DTC P0192 or P0193 is displayed with DTC P0652 or P0653, first perform trouble diagnosis for
DTC P0652 or P0653. Refer to EC-1691, "
DTC P0652, P0653 SENSOR POWER SUPPLY" .
DTC Confirmation Procedure BBS0029Q
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Wait at least 5 seconds.
4. If DTC is detected, go to EC-1577, "
Diagnostic Procedure" .
WITHOUT CONSULT-II
1. Turn ignition switch ON and wait at least 5 seconds.
2. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
3. Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM.
4. If DTC is detected, go to EC-1577, "
Diagnostic Procedure" .
MONITOR CONDITION SPECIFICATOIN
ACT CR PRESS
● Engine: After warming up
● Air conditioner switch: OFF
● Shift lever: Neutral position
● No load
Idle 20 - 30 MPa
2,000 rpm 45 - 55 MPa
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0192
0192
Fuel rail pressure sensor
circuit low input
An excessively low voltage from the sensor is
sent to ECM.
● Harness or connectors
(The sensor circuit is open or
shorted.)
● Fuel rail temperature sensor
P0193
0193
Fuel rail temperature sen-
sor circuit high input
An excessively high voltage from the sensor is
sent to ECM.
SEF817Y
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