Двигатели Scania четвёртой серии. Руководство — часть 161
82
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03:04-06
Fault code D302
Fault
The fuel volume solenoid valve on the front
bank, cylinder 1-3 is faulty.
Cause
Open circuit to pin 1 and 2 on connector B2.
Remarks
As a result, the engine only runs on three
cylinders.
Action
Check the wiring and clean the connectors.
Clear the fault code memory. Start the engine
and accelerate the engine to full speed.
If the fault remains, renew the fuel volume
solenoid valve.
Fault code D303
Fault
The fuel volume solenoid valve on the front
bank, cylinder 1-3 is faulty.
Cause
Monitoring pin 1 and 2 on connector B2
indicates implausible values compared to other
solenoid valves.
Remarks
As a result, the engine runs very unevenly.
Action
Check the wiring and clean connector A1, B2
and the connector to the solenoid valve.
Clear the fault code memory. Start the engine
and accelerate the engine to full speed.
If the fault remains, first renew the control unit
and if necessary the fuel volume solenoid
valve.
Fault codes
03:04-06
ã
83
Fault code D304
Fault
The fuel volume solenoid valve on the front
bank, cylinder 1-3 is faulty.
Cause
Monitoring pin 1 and 2 on connector B2
indicates that the voltage is too low to control
the solenoid valve.
Remarks
As a result, the engine will probably run
unevenly.
The engine torque is limited by approximately
30%.
Action
If fault code 3201 is also present, low battery
voltage is active, rectify the battery fault first.
Check the wiring and clean connector A1, B2
and the connector to the solenoid valve.
Clear the fault code memory. Start the engine
and accelerate the engine to full speed.
If the fault remains, first renew the fuel volume
solenoid valve and if necessary the control unit.
Fault codes
84
ã
03:04-06
Fault code D400
Fault
The fuel volume solenoid valve on the rear
bank, cylinder 4-6 is faulty.
Cause
Short circuit to +24 V alternatively between pin
4 and 5 on connector A1.
Remarks
As a result, the engine runs very unevenly.
Action
Check the wiring and clean the connectors.
Clear the fault code memory. Start the engine
and accelerate the engine to full speed.
If the fault remains, renew the fuel volume
solenoid valve.
Fault code D401
Fault
The fuel volume solenoid valve on the rear
bank, cylinder 4-6 is faulty.
Cause
Pin 4 and 5 on connector A1 shorted to earth.
Remarks
As a result, the engine runs very unevenly.
Action
Check the wiring and clean the connectors.
Clear the fault code memory. Start the engine
and accelerate the engine to full speed.
If the fault remains, renew the fuel volume
solenoid valve.
Fault codes
03:04-06
ã
85
Fault code D402
Fault
The fuel volume solenoid valve on the rear
bank, cylinder 4-6 is faulty.
Cause
Open circuit to pin 4 and 5 on connector A1.
Remarks
As a result, the engine only runs on three
cylinders.
Action
Check the wiring and clean the connectors.
Clear the fault code memory. Start the engine
and accelerate the engine to full speed.
If the fault remains, renew the fuel volume
solenoid valve.
Fault code D403
Fault
The fuel volume solenoid valve on the rear
bank, cylinder 4-6 is faulty.
Cause
Monitoring pin 4 and 5 on connector A1
indicates implausible values compared to other
solenoid valves.
Remarks
As a result, the engine runs very unevenly.
Action
Check the wiring and clean connector A1, B2
and the connector to the solenoid valve.
Clear the fault code memory. Start the engine
and accelerate the engine to full speed.
If the fault remains, first renew the control unit
and if necessary the fuel volume solenoid
valve.
Fault codes
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