Club Car Precedent 2014, Maintenance And Service Manual

Page: 478 / 548

28
Test Procedures
EXCEL SYSTEM TROUBLESHOOTING:
WITH ERIC CHARGING
CONTROLLER INPUTS
PERFORM TEST WITH 16-PIN
CONNECTED TO CONTROLLER? (IF
YES, BACK-PROBE TO TEST)
TEST PROCEDURE
KEY SWITCH INPUT
Pin 10 – Tan
No BPV from Key switch in ON
SOLENOID INPUT
Pin 12 – Blue/White
No
BPV from Solenoid Activating Coil (result of
Key switch in ON)
SPEED SENSOR INPUT
Pin 14 – Light Green
Yes
Alternates from zero (0) to approx. 4.85 volts
depending on speed sensor position. Rotate
rear wheel to see voltage switch (Key switch
either ON or OFF)
REVERSE INPUT
Pin 16 – Blue
No
BPV from Forward/Reverse switch in REV
(Key switch either ON or OFF)
Testing Controller Outputs
CONTROLLER OUTPUTS
PERFORM TEST WITH 16-PIN
CONNECTED TO CONTROLLER? (IF
YES, BACK-PROBE TO TEST*)
TEST PROCEDURE
THROTTLE OUTPUT
Pin 1 – White
Supplies approximately 5 volts in
MCOR 3-pin circuit.
Yes
4 to 5 volts measured between pin 1 and B-
terminal on controller (Key switch either ON
or OFF)
CHARGE INDICATOR LIGHT OUTPUT
Pin 11 – Blue/Yellow
Supplies a positive (+), controlled current
source to power the charge indicator light
on the instrument panel.
Yes*
Do not back-probe for this test.
Start a charging session. After a few seconds,
light should flash. Can also be seen under
LED Driver in the Monitor menu of the IQDM.
CONNECTED CAR OUTPUT
Pin 13 – White/Black
Supplies approximately 13 volts to the
Guardian/Visage unit.
Yes
Approximately 13 volts measured between pin
1 and B- terminal on controller (Key switch
either ON or OFF)
SPEED SENSOR OUTPUT
Pin 15 – Red
Supplies approximately 15 to 16 volts to
the motor speed sensor.
Yes
Approximately 15 to 16 volts measured
between pin 1 and B- terminal on controller
(Key switch either ON or OFF)
TEST PROCEDURE 16 – Reverse Buzzer
See General Warnings on page 1-2.
NOTE: This is a voltage test.
1. If necessary, see Testing Basics on page 28-16.
2. Disconnect the batteries and discharge the controller. See Disconnecting the Batteries – Electric Vehicles
on page 1-4.
3. Remove the instrument panel. See Key Switch Removal, Section 29, Page 29-1.
4. Disconnect the orange/white and pink wires from the reverse buzzer.
Page 28-34 2014 Precedent ® Golf Car Maintenance and Service Manual