Honda 2006 TRX680FA Service Manual page 288

DRIVETRAIN SYSTEM
SYMPTOM TROUBLESHOOTING
GENERAL INFORMATION
• Short circuit
in the Ole
related wire
• Combination
meter cir cuit
• Engine oil
level (page 4-
10)
• Oil pressure
(paye 14·12)
Shift control failure
Gear position indi -
cator indicates
"- - " and M il is
stays ON at all (No
DTC sell
Gear position indi-
cator indicates "- "
bu t no DTC set
If the ATV has any AfT trouble, check the OTG or gear position indicator blinkin!l. refer 1 0 the DTG indax
and begin the aooroonate troubleshooting procedure (page 14 24)
If there are no
OTe
stored in the PCM memory, do the troubleshooting as following symptom and then
inspect the oil pressure and diagnose according to the troubleshootinq chart (pags 14·141.
r----"Sym pt om Diagn osis procedure Also check tor
- Acceleration
con - Refer to the following symptom troubJes'1Qoring • Engine oil
trot fai lure {paqe 14-6): Ie
v
el (page 4-
• Vehicle
does not accelerate 10)
• Excess! ve starting shock • Oil pressure
• Vehicle creeps [vehicle does not stop) when id li ng (page 14 -12)
• Driving power falls off when ar.celeraling jinsutfi- • Emergency
cient engine brakel valve
• Engine stalls when accel erating
Refer to the following sy m pto m troublesnootinq
(pag e 14-91:
• AfT
does not shift
• When shi fting in the AUTO tautomatul mode .
excessive shift shock, engine rpm (mi 'l)
I
rises or
driving power falls otf
Reforto t he following symptom trouhleshooting
(page
14-10):
• AJT does no t shift
• Gear position indicator displays
H _ _ H
and drive
mode indicator k E S P ~ stays on
Check the DlC circuit (Brown/red wi re)
tor
short cir -
cuit.
STARTING CONTROL FAILURE
Ve hicle Does Not A ccelerat e
1. A fT Clutch Pressure Control Solenoid Ope ration
So und Check
Put the gear selector lever in the Drive or
Reverse position.
Check for a "chck" sound fro m the AfT crutch
pressure contro l solenoid when the ignition
swi tc h is ON.
Is th ere sound?
NO - GO TO STEP 2.
YES - GO TO STEP 3.
14-6