Club Car Carryall 295 Maintenance And Service Manual page 212

12
Test Procedures
2113
Figure 12-15 Check Power To Fan Relay
5. If the fan runs constantly, even with the key switch OFF, remove the relay. If fan stops, the relay contacts
have failed closed and the relay must be replaced.
TEST PROCEDURE 10 – Thermostat Switch
See General Warnings, Section 1, Page 1-2.
The thermostat switch houses two independent switches. Each switch closes the circuit between the thermostat
housing (effectively frame ground) and the appropriate wire of the thermostat switch (white or black).
WIRE
FUNCTION
COLOR
White Radiator Fan
Black Temperature Warning Light
The fan relay activates the radiator fan when the engine coolant reaches a temperature range of 187 °F to 198 °F
(86 °C to 92 °C) and closes the fan thermostat switch.
The engine coolant thermostat switch provides a ground to the coolant temperature warning light when the engine
block reaches a temperature range of 216 °F to 226 °F (102 °C to 108 °C) and closes the thermostat switch. See
following NOTE.
NOTE: Keep the battery connected during this test procedure.
1. Disable the vehicle. See Disabling the Vehicle on page 1-3.
2. Drain coolant from engine. See Engine Coolant Change, Section 18, Page 18-1. See following WARNING.
WARNING
• Hot! Coolant system is pressurized. Do not remove thermostat switch while engine is hot.
3. Disconnect the two-pin connector between the thermostat switch and the wire harness (Figure 12-17, Page
12-23).
4. Test for failed switches in closed condition.
Page 12-22 2008-2012 All-Wheel Drive Maintenance and Service Manual
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THERMOSTAT SWITCH
CONTACT OPERATION:
CLOSE ON RISE
187 °F to 198 °F (86 °C to 92 °C)
216 °F to 226 °F (102 °C to 108 °C)
TROUBLESHOOTING AND ELECTRICAL
SYSTEM: DIESEL VEHICLES
Figure 12-16 Fan Relay Contact Test
OPEN
165 °F (74 °C)
185 °F (85 °C)