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VW Passat (B3) 1993 Cooling Fan Control Module Input/Output listing

J293 Coolant Fan Control Module terminals 1993 Passat B3 cooling fan
Module connector/
terminal
Description
T4/1 Power out to Coolant Fan V7 - HI speed
T4/2 Power out to Coolant Fan V7 - MED speed
T4/3 Power in from J32 A/C Relay and fuse S19, and F18 Coolant Fan
Control Thermal Switch Terminal 2
T4/4 Power in from Battery positive
T8e/1 Power out to J206 Fuel Pump After Run Control Module
T8e/2 Input signal for MED speed Coolant Fan operation from F18 Coolant Fan Control Thermal Switch and/or F129 A/C Pressure Switch
T8e/3 Input signal for HI speed Coolant Fan operation from F165 Third Speed Coolant Fan Thermal Switch
T8e/4 Power in from fuse S13
T8e/5 Power out to N25 A/C Compressor Clutch
T8e/6 Input signal from E33 A/C Evaporator Temperature Switch (anti-icing) and J44 A/C Clutch Relay
T8e/7 Ground connection 193 in wiring harness
T8e/8 Power out to F87 After Run Coolant Fan Control Thermal Switch

VW Passat (B3) 1993 Radiator Cooling Fan operation


Fan speed Description
LOW Operation is by F18 Coolant Fan Control Thermal Switch Terminal 2 at approximately 95C or when A/C is switched on through J32 A/C Relay. Operation is independent of J293 Coolant Fan Control Module.
MED Operation is by F18 Coolant Fan Control Thermal Switch Terminal 1 at approximately 102C and/or F129 A/C Pressure Switch at A/C high side pressure of approximately 15 Bar (221 psi). Operation is controlled by J293 Coolant Fan Control Module.
HIGH Operation is only by F165 Third Speed Coolant Fan Thermal Switch at approximately 119C. Operation is controlled by J293 Coolant Fan Control Module. High speed fan operation occurs at near overheat conditions only. Note that the A/C Compressor clutch will also disengage at approximately 112C through F163 A/C Cut-Out Thermal Switch.

VW Passat (B3) 1993 Cooling Fan Wiring Diagram


Description Current
track
Coolant Circulation Pump, V50 9
Coolant Fan, V7 5-7
Coolant FC (Fan Control) Control Module J293 4-12
Coolant FC (Fan Control) Thermoswitch, F18 1-3
Coolant FC (Fan Control) Thermoswitch F87 10
ECT (Engine Coolant Temperature) Sensor, G2 11
Third Speed Coolant Fan Control Thermoswitch, F165 14


Wire connectors
T2 - double, behind relay panel
T2n - double, behind relay panel
T2p - double, behind relay panel
T4 - four point, on Coolant FC (Fan Control) Control Module
T8e - eight point, on Coolant FC (Fan Control) Control Module
T28 - twenty-eight point, on Instrument Cluster
T42 - fourty-two point, on Cylinder Head, left


Welded wiring harness points
K21 - wire connection -1-, in coolant fan wiring harness
K28 - plus connection (15), in coolant fan wiring harness


Ground connections
15 - ground connection, on cylinder-head
182 - ground connection -1-, in engine compartment wiring harness
193 - ground connection -1-, in coolant fan wiring harness


Wiring diagram for 1993 Passat B3 cooling fan
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