Golf L4-1.9L DSL Turbo (ALH) (1999)
Radiator Cooling Fan Motor: Testing and Inspection
Coolant fan, checking
Special tools and equipment
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VAG 1594 A test kit
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Wiring diagram
Test conditions
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Fuses S164 and S180 OK
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Coolant Fan Control (FC) Thermal switch -F18-OK
Checking
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Disconnect 3-pin electrical connector for Coolant Fan Control (FC) Thermal switch - F18
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Bridge terminals -1- and -2- of connector with jumper wire from VAG test kit. Stage 1 of coolant fans -V7- and -V35- must run.
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Switch ignition ON.
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Bridge terminal -2- and -3- of connector with jumper wire from VAG test kit. Stage 2 of coolant fans -V7- and -V35- must run.
If stage 1 or stage 2 of coolant fans do not run:
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Check for open circuit according to wiring diagram and repair.
If no open circuit:
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Replace coolant fan -V7- or -V35-.