Tomberlin 2010 E-Merge Maintenance Manual page 92

Part 1 of Troubleshooting Instructions, continue
Symptom
The electric vehicle
can be started, but the
motor braking device
does not operate.
Electric vehicle can
only run forward or
backward.
The electric vehicle
can be started, but the
battery charger can't
charge the battery.
Headlight failure
Turn signal lamp
failure
Tail light failure
High mount stop lamp
failure
Parking lamp failure
Possible causes
Circuit – incorrect wiring
Speed sensor disconnection or
failure
Forward/reverse gear
switch—incorrectly connected or
damaged.
Motor – incorrect wiring.
Controller—incorrect wiring or
controller piece failure.
Battery charger connection—wire
poor contact of the receptacle or
battery.
Battery charger
DC converter failure
Lighting fuse blowing out
Auxiliary contactor failure
Bulb damaged
Combination switch failure
DC converter failure
Turn signal lamp bulb
Flasher failure
Combination switch failure
DC converter failure
Lighting fuse blowing out
Auxiliary contactor failure
Tail light damaged
Flasher failure
Combination switch failure
DC converter failure
Flasher failure
Brake switch failure
High mount stop lamp bulb damaged Replace high mount stop lamp bulb
Odometer parking lamp bulb failure
Parking switch failure
Bulb damaged
Troubleshooting
Correction action
Check the wiring of the electric vehicle. Refer to
the wiring diagram on page 9-7.
Refer to "Check Procedure 9—Motor speed
sensor".
Refer to, "Check Procedure
10—forward/reverse gear switch".
Check the wiring of the motor. Refer to the
wiring diagram on page 9-7.
Check the wiring of the electric vehicle. Refer to
the wiring diagram on page 9-7.
Check the wire for connection and fasten it
when necessary.
Refer to relevant maintenance and repair
instructions for battery charger.
Replace DC converter
Replace fuse
Replace contactor
Replace bulb
Replace combination switch
Replace DC converter
Replace bulb
Replace flasher
Replace combination switch
Replace DC converter
Replace fuse
Replacement contactor
Replace tail light
Replace flasher
Replace combination switch
Replace DC converter
Replace flasher
Replace brake switch
Replace odometer parking lamp bulb
Replace switch
Replace bulb
MERGE 10-2
Chapter 10