17.11
Troubleshooting
Coolant temperature warning lamp lights
up.
no
Check coolant in expansion tank.
Is coolant level too low?
yes
Top up coolant.
no
Check thermostat.
Is thermostat defective?
yes
Replace thermostat.
no
Check water pump.
Is water pump defective?
yes
Repair/renew water pump.
Fan motor does not switch on.
no
Check fuse F7.
Is fuse defective?
yes
Renew fuse.
no
Check fan relay.
Is fan relay defective?
yes
Replace fan relay.
no
Check power circuit.
Does circuit have poor contact/break?
yes
Make contact/repair break.
no
Check fan motor.
Is fan motor defective?
yes
Repair/renew fan motor.
no
Check thermostat.
Thermostat does not open?
yes
Replace thermostat.
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