68
12/04
SPIDER MAX 500
B
F. 27/b
Carrying out
diagnostic check
Please wait
Fuel pump relay
Parameters
Immobilizer
Errors
Delete errors
Active diagnostics
CO Calibration
Main 5/8
Fuel pump relay
H.T. coil
Stepper motor
Rev. counter
Injector
Relay fan
Diagnostic check 1/6
Replace the pressure regulator.
(see pressure regulator p. 75).
Replace the fuel pump
(See p. 73)
12.6
Pump and fuel filter check
We suggest to use the following procedure during the maintenance operations to check for the delivery filter operation.
Connect the diagnostic multimeter.
Connect the fuel pressure testing kit (see p. 65).
Let the system bleed for a few seconds. Check the system for leaks.
Use a pair of pliers with flat and long ends, to close the delivery duct for a few time acting only on the
extension of the specific tool with a pump supply voltage higher than 12 V. Check for the system maximum
pressure.
Maximum pressure= > 600 KPa (6 BAR)
Select the diagnostic multimeter menu from the “ACTIVE DIAGNOSTICS” function.
Select the ”FUEL PUMP RELAY” function.
The pump is enabled for 30 seconds.
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