EXCEL SYSTEM TROUBLESHOOTING
Troubleshooting
12
TROUBLESHOOTING GUIDE 2
TROUBLESHOOTING GUIDE 2
SYMPTOM
POSSIBLE CAUSES
CORRECTIVE ACTION
Batteries – Batteries discharged
Charge batteries
Batteries – Battery connections
Check vehicle wiring.
See Wiring Diagrams
on page 12-2.
Battery charger is connected to the vehicle
– Solenoid lockout feature has disabled the
vehicle
Disconnect the battery charger from the
vehicle
Onboard computer failure
Test Procedure 2 – Onboard Computer
Solenoid Lockout Circuit on page 12-15
Key switch and throttle position sensor limit
switch circuit
Check for loose or disconnected wires at key
switch and throttle position sensor
Failed key switch
Test Procedure 8 – Key Switch and Throttle
Position Sensor Limit Switch Circuit on page
12-20
Failed throttle position sensor
Test Procedure 8 – Key Switch and Throttle
Position Sensor Limit Switch Circuit on page
12-20. See also Test Procedure 4 – Throttle
Position Sensor Voltage on page 12-16.
Forward/Reverse rocker switch
Test Procedure 23 – Forward/Reverse Rocker
Switch on page 12-32
Solenoid – loose wires
Test Procedure 3 – Solenoid Activating Coil
on page 12-15
Solenoid – failed coil
Test Procedure 3 – Solenoid Activating Coil
on page 12-15
Speed controller thermal cutback
Allow controller to cool and ensure that vehicle
is not over-loaded before returning to operation
16-pin connector at speed controller
Check for loose or disconnected wires at the
16-pin connector.
See also Test Procedure 9
– 16-Pin Connector on page 12-21.
High pedal detect
Cycle accelerator pedal
Motor stall
Cycle accelerator pedal
Motor Failure
Section 18 — Motor (Model EJ4-4001 and
EJ8-4001A)
Speed controller failure
Replace speed controller.
See Speed
Controller Removal on page 15-12.
Motor – Motor connections
Check for loose or disconnected wires
Vehicle does not operate
Speed controller – Motor and power
connections
Check for loose or disconnected wires
TABLE CONTINUED ON NEXT PAGE
2009 Electric Precedent Maintenance and Service Manual
Page 12-11
Содержание 2009 Precedent
Страница 2: ......
Страница 4: ......
Страница 16: ......
Страница 22: ......
Страница 48: ......
Страница 64: ......
Страница 136: ......
Страница 174: ......
Страница 196: ......
Страница 218: ......
Страница 262: ......
Страница 264: ......
Страница 306: ......
Страница 307: ......
Страница 308: ......
Страница 310: ......
Страница 311: ......
Страница 312: ......