Club Car Carryall 300 2021, Maintenance And Service Manual

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18
Test Procedures
GASOLINE VEHICLE - TROUBLESHOOTING
AND ELECTRICAL SYSTEM
9.2. If the voltage is incorrect, check the wiring and then the ECU. See following NOTE.
NOTE: If pin 4 has no voltage, the ECU LIN (Local Interconnect bus) may have failed. If the vehicle does not use
Guardian or Visage, the vehicle can be driven and will not show any symptoms. If a vehicle uses Guardian or
Visage, Guardian or Visage will disable the vehicle until communication is restored.
TEST PROCEDURE 27 – Key Switch (ON Position) - Key-Start Vehicles Only
See General Warnings on page 1-1.
NOTE: This is a voltage test.
The key switch ON position provides power and KEY INPUT to the ECU.
1. If necessary, see Testing Basics.
2. Remove the instrument panel.
3. Set the key switch to OFF.
– The green wire should show battery voltage coming to the switch.
– The brown/white wire should show zero (0) volts. If it shows battery voltage, the switch has failed CLOSED
and must be replaced.
4. Set the key switch to ON.
– The brown/white wire should show battery voltage. If it does not show battery voltage, the switch has failed
OPEN and must be replaced.
TEST PROCEDURE 28 – Key Switch (START Position) - Key-Start Vehicles Only
See General Warnings on page 1-1.
NOTE: This is a voltage test.
The key switch START position provides power to the starter/generator.
1. If necessary, see Testing Basics.
2. Remove the instrument panel.
3. Set the key switch to OFF.
– The green wire should show battery voltage coming to the switch.
– The gray wire should show zero (0) volts. If it shows battery voltage, the switch has failed CLOSED and
must be replaced.
4. Set the key switch to START.
– The gray wire should show battery voltage. If it does not show battery voltage, the switch has failed OPEN
and must be replaced.
Page 18-42 2021 Carryall 300 Maintenance and Service Manual