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Injection
- Coolant level in the expansion tank - bleeding of
the inlet hose to the engine
- Bleeding of the outlet from the head
- Function of the thermostat
- Function of the pump
For these checks, see chapter "Cooling system".
To check the circuit, proceed as follows:
1 - Connect the diagnostic tester. Set the switch to
"ON" with switch to "RUN" and side stand raised.
Select the "ERRORS" function. Check whether the
control unit has detected any failures relating to the
electric fan control circuit.
YES go to 8 NO go to 2
2 - Select the menu on the "ACTIVE DIAGNOSIS"
function. Activate the electric fan diagnostic func-
tion. Check acoustically for rotation of the electric
fan. Wait for the exit from the diagnostic tester.
YES go to 3 NO go to 4
3 - Test successful. The fan is rotating.
YES go to 5
4- Test failed. The fan is not rotating.
YES go to 8 NO go to 6
5- The electric fan system is OK
6 - Test successful. The fan is not functioning
YES go to 7
7 - The remote control switch circuit is OK. Check
the connections to the electric fan, the function of
the contacts of the remote control switch, the pos-
itive lines, the negative line and the motor of the
electric fan.
8 - Disconnect the remote control unit of the elec-
tric fan. Check the continuity of the excitation coil.
85 - 86 = 100 ± 50Ω
YES go to 10 NO go to 9
INJEC - 188
Nexus 500
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