Troubleshooting

Illustration 49 g03774823
Schematic diagram for the engine pressure sensors
Not all connectors are shown. Refer to the Electrical Schematic for the application.
Note: The DPF differential pressure sensor is
installed on engines equipped with a wall flow DPF
only.
Illustration 50 g03623078
Typical view of the pin locations on the P2 connector
for the pressure sensors
(10) Intake manifold air pressure sensor 5 VDC supply
(11) Fuel rail pressure sensor 5 VDC supply
(25) Intake manifold air pressure sensor ground
(26) Fuel rail pressure sensor ground
(40) Intake manifold air pressure sensor signal
(41) Fuel rail pressure sensor signal
Illustration 51 g02293895
Typical view of the pin locations on the P1 connector
for the DPF differential pressure sensor
(14) DPF differential sensor 5 VDC supply
(36) DPF differential pressure sensor ground
(58) DPF differential pressure sensor signal
UENR0612-07 193
Circuit Tests
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