K-2
K-2
Air Conditioner
34
W701-0160E
11.3 Car air conditioner system diagnosis table III (Electrical system)
Operation trouble
phenomenon of
functional parts
First operation
check and
confirmation
Second operation check
and confirmation
Diagnosis result
(phenomenon of
principal cause)
Possible cause
Measures (specific part
name and repair method)
--------------------------------
No fuse blowing
(normal).
--------------------------------
Measures from diagnosis
of 2) and 4).
1) Neither
compressor clutch
nor blower motor
operate.
Check of fuse
blowing.
--------------------------------
Fuse blowing.
Short-circuit of compressor clutch
or blower motor system wiring.
Repair
Clutch does not suck.
----------------------------
Clutch failure.
Replace
Clutch does suck.
Either of thermo amp., pressure
SW, or thermistor is failure.
Check and replace parts.
Clutch does not suck.
Check voltage of
clutch relay connector.
0 (zero) V
Either of clutch relay signal
circuit or vehicle side electronic
control amplifier is failure.
Check parts, and repair or
replace parts.
2) Only
compressor clutch
does not suck.
(Others are
operating.)
Connect battery
directly to clutch
terminal.
Clutch does suck.
Short-circuit both ends
of thermo amp. bypass
connector, pressure SW,
and thermistor.
Clutch does not suck.
Check voltage of
clutch relay connector.
Approx. 12V
Either of clutch relay or clutch
power circuit (disconnection) is
failure.
Check parts, and repair or
replace parts.
Clutch does not suck.
----------------------------
Thermistor failure.
Replace
Clutch does not suck.
Thermo amp. failure.
Replace
3) Compressor
clutch suction does
not stop.
Remove thermistor
from thermo amp.
Clutch does suck.
Remove thermo amp.
power supply connector.
Clutch does suck.
Clutch relay contact failure.
Replace
Blower motor does not
work.
----------------------------
Blower motor failure.
Replace
Blower motor works.
Blower switch failure.
Replace
Blower system cords
disconnection.
Repair
4) Only blower
motor does not
work.
Connect battery
directly to "+"
terminal of blower
motor.
Blower motor works.
Connect L.M.H of blower
switch directly to battery
terminal.
Blower motor does not
work.
Rresistor failure.
Replace
Fan motor does not work.
----------------------------
Fan motor failure.
Replace
0 (zero) V
Signal circuit is open, and thermo
amp. failure.
Check parts, and repair or
replace parts.
5) Condenser fan
motor does not
work.
Connect battery
directly to "+"
terminal of fan
motor.
Fan motor works.
Check voltage of
condenser fan relay
connector.
Approx. 12V
Condenser fan relay contact
failure or fan motor power circuit
open.
Check parts, and repair or
replace parts.
6) Compressor
clutch slips.
Check air gap.
--------------------------------
-----------------------------
Air gap is large.
Adjust air gap.
Содержание TT-800XXL1
Страница 20: ...B 2 B 2 Hydraulic Pump 3 W101 0280E 1 2 Inside view Variable displacement piston pump...
Страница 25: ...8 W101 0280E B 2 B 2 Hydraulic Pump 1 Joint control piston 2 Hanger 3 Metal 4 Orifice Hanger section 6 7...
Страница 114: ...5 G 2 G 2 Boom Five Section Boom 5 W536 0760E G 2...
Страница 166: ...13 13 W701 0160E K 2 K 2 Air Conditioner K 2 4 Layout 4 1 Overall layout...
Страница 167: ...14 14 W701 0160E K 2 K 2 Air Conditioner K 2 4 2 Overall layout...
Страница 168: ...15 15 W701 0160E K 2 K 2 Air Conditioner K 2 4 3 Evaporator section...
Страница 169: ...16 W701 0160E K 2 K 2 Air Conditioner 5 Compressor ass y...
Страница 170: ...17 17 W701 0160E K 2 K 2 Air Conditioner K 2 6 Evaporator ass y...
Страница 171: ...18 18 W701 0160E K 2 K 2 Air Conditioner K 2 7 Condenser ass y...
Страница 172: ...19 19 W701 0160E K 2 K 2 Air Conditioner K 2 8 Electric 8 1 Electric circuit 0 363 205 60030...
Страница 173: ...20 20 W701 0160E K 2 K 2 Air Conditioner K 2 8 2 Main harness A...
Страница 174: ...21 21 W701 0160E K 2 K 2 Air Conditioner K 2 8 3 Main harness B...
Страница 227: ...Hydraulic Pressure Setting Table 1 WY02 0320E 1 Y 1 Y 1 Y 1 Hydraulic Pressure Setting Table 1 345 801 01500...
Страница 254: ...Location of Hydraulic Parts 4 WZ07 0780E 4 Z 4 Z 4 Z 4 Location of Hydraulic Parts...
Страница 259: ...Hydraulic Electric Carrier Equipment Comparison Table Z 8 Z 8 Z 8 9 WZ09 0130E 9...
Страница 262: ...Z 11 Z 11 Harness Swing Table Right Z 11 11 WZ04 1300E 11 Harness Swing Table Right 5 343 530 32010...
Страница 263: ...Z 12 Z 12 Harness Boom Z 12 12 WZ04 1310E 12 Harness Boom 1 2 2 343 530 32040 1 343 530 22030...
Страница 265: ...14 WZ04 1320E 14 Z 14 Z 14 Harness Lower Z 14 Harness Lower Applicable serial No 475334 1 1 336 500 30021...
Страница 266: ...Z 15 Z 15 Harness Outrigger Operation Option Z 15 15 WZ04 1330E 15 Harness Outrigger Operation Option 0 333 316 60020...