Perkins 1204-E44TA - Sensor Supply - Test

(Table 214, contd)
Repair: The wiring is OK. Replace the sensor.
Verify that the problem is resolved.
If the procedure did not correct the fault, contact the Dealer Solutions Network (DSN).
i06575681
Sensor Supply - Test
This procedure covers the following diagnostic
codes:
Table 215
Diagnostic Trouble Codes for Sensor Supplies
J1939
Code
PDL
Code
Code Description
(code descriptions may vary)
Comments
678-3 41-3 ECU 8 Volts DC Supply : Voltage Above Normal The ECM detects the following conditions:
The 8 VDC supply is more than 8.8 VDC for more than one second.
The ECM has been powered for more than 3 seconds.
Diagnostic code 168-4 is not active.
The ECM will log the diagnostic code and the warning lamp will illu-
minate when this diagnostic code is active.
The engine may be limited to low idle.
678-4 41-4 ECU 8 Volts DC Supply : Voltage Below Normal The ECM detects the following conditions:
The 8 VDC supply is less than 7.2 VDC for more than one second.
The ECM has been powered for more than 3 seconds.
Diagnostic code 168-4 is not active.
The ECM will log the diagnostic code and the warning lamp will illu-
minate when this diagnostic code is active.
The engine may be limited to low idle.
An active diagnostic code may not cause any noticeable effect on
engine response unless the voltage drops below 6.5 VDC.
(continued)
UENR4469-36 399
Circuit Tests
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