Test Sequence

Remove left sound insulation tray. See NOISE INSULATION (GASOLINE ENGINES), ASSEMBLY OVERVIEW
Disconnect 3-pin connector off Coolant Fan Control (FC) thermal switch -F18-
Bridge contact -1- and contact -2- of connector with auxiliary cables from V.A.G 1594 A
Connector type A

Fig 1: Identifying Coolant Fan Control Connector A

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Fig 2: Identifying Coolant Fan Control Connector B

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Connector type C

Fig 3: Identifying Coolant Fan Control Connector C
Courtesy of VOLKSWAGEN UNITED STATES, INC.
1st speed for Coolant fans -V7- and -V35- must run.
Switch ignition on
Bridge contact -2- and contact -3- of connector with auxiliary cables from V.A.G 1594 A
2nd speed for Coolant Fans -V7- and -V35- must run.
If fan 1st or 2nd speeds do not run:
Locate and repair open circuit. See appropriate SYSTEM WIRING DIAGRAMS article.
If no malfunction in wiring is detected.
Replace Coolant fans -V7- and -V35-