Illustration 140 g02315513
Typical example of the fuel rail pressure sensor
(1) Sensor ground
(3) 5 VDC supply
Note: The position of the terminal for the voltage
supply on the fuel rail pressure sensor is different to
all other engine pressure sensors.
Illustration 141 g02315514
Typical example of an engine pressure sensor
(1) 5 VDC supply
(2) Sensor ground
Illustration 142 g02315534
Typical example of the connector for the NRS valve
(1) 5 VDC supply
(2) Sensor ground
Illustration 143 g03130436
Typical example of the connector for the Exhaust
Back Pressure Regulator (EBPR)
(1) 5 VDC supply
(2) Ground
Complete the procedure in the order in which the
steps are listed.
Table 216
Troubleshooting Test Steps
Values Results
1. Determine the Code
A. Connect the electronic service tool to the service tool connector.
Refer to Troubleshooting, “Electronic Service Tools”, if necessary.
B. Turn the keyswitch to the ON position.
C. Determine if a diagnostic trouble code is present.
Diagnostic
Codes
Result: A -3 or -4 code is present.
Note which sensor supply has the active diagnostic code.
Proceed to Test Step 2.
(continued)
402 UENR4469-36
Circuit Tests
Copyright of Perkins Engine Company Limited. NOT FOR REPRINTING OR RESALE
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