TF-44
TROUBLE DIAGNOSIS
Specifications defined by CONSULT-II
Check air pressure of tire under normal condition.Items to be monitored ContentsData monitor
(Reference)
Check points when result
was malfunctioning ConditionReference values in
normal operation
DECEL G-SENSOR (G)G-sensor operating
conditionWith vehicle stopped
on flat road.±0.15 G G-sensor and harness
THRTL POS SEN (V)Throttle valve open/
close conditionClosed throttle to wide
open throttleWhen closed throttle:
Approx. 0.5V
Throttle position sensor
and harness
When wide open throt-
tle: Approx. 4.0 V
ENGINE SPEED SIG
(STOP/RUN)With engine runningEngine speed below
400 rpmSTOP
Engine speed signal circuit
Engine speed 400 rpm
or higherRUN
E-TS ACTUATOR (ON/OFF)4WD actuator relay
(4WD actuator relay)
activation conditionVehicle stop (Ignition
switch ON)OFF4WD actuator relay (4WD
actuator relay) and har-
ness
Engine running ON
G-SEN VOLT (V)G-sensor power sup-
ply conditionWith vehicle stopped
on flat road.Approx. 8V (reference
value)G-sensor and harness
BATTERY VOL (V)Battery voltage sup-
plied to control unitIgnition switch ON Approx. 10 - 16 VControl unit power supply
circuit
4WDWARNLAMP(ON/
OFF)4WD warning lamp
ON condition4WD warning lamp
ONON4WD warning lamp and
harness
Refer to "4WD Warning
Lamp". 4WD warning lamp
OFFOFF
4WD MODE SW
(AUTO LOCK 2WD)Input condition of
4WD mode change-
over switchEngine running, vehi-
cle stopped, switch
pressed–4WD mode change-over
switch and circuit
4WD MODE MONI (AUTO,
LOCK, 2WD)Output condition of
4WD mode indicator
lamp signalEngine running, vehi-
cle stoppedUsing 4WD mode
change-over switch4WD mode indicator lamp
and circuit
DIS-TIRE MONI (mm)Improper size tire
installed condition–0-4mm,4-8mm,
8mm -Front/Rear tire size differ-
ence, wear condition
PBRAKESW(ON/OFF)Parking brake switch
operating conditionParking brake
depressedON
Parking brake switch and
harness
Parking brake not
depressedOFF
SPEED MTR O/P (km/h)Output condition of
vehicle speed for
speedometerWhile vehicle is
stopped0km/h(0MPH)
Speedometer and harness
Vehicle runningAlmost in accordance
with the wheel speed
sensor display
ABS 4WD COMMEPS/TCS/ABS con-
trol unit operating con-
ditionIgnition switch ON OKESP/TCS/ABS control unit
and circuit
CAN COMM (OK-NG)CAN communication
signal conditionIgnition switch ON OKCAN communication sig-
nal (OK-NG) condition is
displayed
WT-2
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
PFP:00003
NVH Troubleshooting ChartEES000J1
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
´: ApplicableReference page
Refer toWT-3
—
—
—
—
—
—
NVHinPRsection.
NVH in RFD section.
NVHinFAXandFSUsections.
NVH in RAX and RSU sections.
Refer to TIRES in this chart.
Refer to ROAD WHEEL in this chart.
NVH in RAX section.
NVHinBRsection.
NVH in PS section.
Possible cause and SUSPECTED PARTS
Out-of-round
Imbalance
Incorrect tire pressure
Uneven tire wear
Deformation or damage
Non-uniformity
Incorrect tire size
PROPELLER SHAFT
DIFFERETIAL
FRONT AXLE AND FRONT SUSPENSION
REAR AXLE AND REAR SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKE
STEERING
SymptomTIRESNoise´´´´´´ ´´´´ ´´´´
Shake´´´´´ ´´ ´´ ´´´´
Vibration´´´´´´´
Shimmy´´´´´´´ ´´ ´ ´´
Judder´´´´´ ´ ´´ ´ ´´
Poor quality ride
or handling´´´´´ ´ ´´ ´
ROAD WHEELNoise´´ ´ ´´´´´ ´´´
Shake´´ ´ ´ ´´´ ´´´
Shimmy, Judder´´ ´ ´´´ ´´
Poor quality ride
or handling´´ ´ ´´´
