DCC Solenoid valveShort to B+
P0743P0743
Open or short to ground
1st speed asynchronous Synchronous error
0,11P0731
P0731
2nd speed asynchronous Synchronous error P0732P0732
3rd speed asynchronous Synchronous error P0733P0733
4th speed asynchronous Synchronous error P0734P0734
Reverse speed asynchronous Synchronous error ――
CAN No ID from ECM
2,3,6,7,9,10,11―
P1604
CAN BUS off ―P1603
Damper clutch Abnormal system 7P0741P0741
A/T relay Short to ground or open 0,11P0885P0885
Inhibitor switch Short to ground or open
―P0707
P0707
Short to B+ or short between switches P0708P0708
VFS Short to B+
11
―P0748
Short to ground 0,11
Open 11
CKP sensor Sensor errorNe=3,000rpm
7,9 ―
―
TPS sensor Sensor errorTPS=50Ë――
SERVICE DATA LIST(WITH SCAN TOOL)
No.ITEM NAME UNITDATA Data Description Failure
1 ENGINE RPM rpm700 rpmCurrent Engine rpm 0 rpm
2 VEHICLE SPEED km/h0km/hCurrent Vehicle speed 0km/h
3 THROTTLE
P.SENSOR %
12.5%Current TPS open angle 0%
4 INPUT SPEED(PG - A) rpm700 rpmInput speed rpm. Always output rpm
when turning start ON 0 rpm
5 OUTPUT SPEED(PG -
B) rpm
0 rpmOutput speed rpm. Always output
rpm when driving 0 rpm
6 DCC(TCC) SOLENOID
DUTY %
0%Control 0%
→ 100% when
operating Damper Clutch
7 DAMPER CLUTCH
SLIP rpm
260 rpmCurrent Damper clutch slip ratio 0 rpm
8 LR SOLENOID DUTY %100%Control 100%
→ 0% when
operating brake 0%
9 UD SOLENOID DUTY %100%Control 100%
→ 0% when
operating clutch 0%
10 2ND SOLENOID DUTY %100%Control 100%
→ 0% when
operating clutch 0%
11 OD SOLENOID DUTY %100%Control 100%
→ 0% when
operating clutch 0%
12 VFS SOLENOID DUTY Ë0~400Ë ―
6c.
Driving at constant
speed of 30 km/h in 2nd
gear
d. Driving at 50 km/h in 3rd
gear with accelerator
fully closed
e. Driving at constant
speed of 50 km/h in 4th
gear (1) 100%, (2) 0%, (3)
100%
Second solenoid valve
(2) 100%, (3) 100%,
(4) 0% Overdrive solenoid valve
(1) 0km/h
(4) 50km/h Vehicle speed sensor
(4) 1,800 ~ 2,100rpm Input shaft speed sensor
(4) 1,800 ~ 2,100rpm Output shaft speed sensor
7 Selector lever position
: D (Carry out on a
flat and straight road)
a.
Accelerate to 4th gear at
a throttle position sensor
output of 1.5V
(accelerator opening
angle of 30 %).
b. Gently decelerate to a
standstill.
c. Accelerate to 4th gear at
a throttle position sensor
output of 2.5 V
(accelerator opening
angle of 50%).
d. While driving at 60 km/h
in 4th gear, shift down
to 3rd gear.
e. While driving at 40 km/h
in 3rd gear, shift down
to 2nd gear.
f. While driving at 20 km/h
in 2nd gear, shift down
to 1st gear. For (1), (2) and (3),
the reading should be
the same as the
specified output shaft
torque, and no
abnormal shocks
should occur.
For (4), (5) and (6),
downshifting should
occur immediately
after the shifting
operation is made.
Malfunction when shifting
Displaced shift points
Does not shift
Does not shift from 1 to 2 or
2 to 1
Does not shift from 2 to 3 or
3 to 2
Does not shift from 3 to 4 or
4 to 3
8 Selector lever position
: N (Carry out on a
flat and straight road)
Move selector lever to R
range drive at constant
speed of 10km/h The ratio between
input and output shaft
speed sensor data
should be the same
as the gear ratio
when reversing.Does not shift
TORQUE CONVERTER STALL TEST
This test measures the maximum engine speed when the selector lever is in the D or R position. The torque converter
stalls to test the operation of the torque converter, starter motor, one- way clutch operation, the holding performance of
the clutches, and brakes in the transaxle.
Do not let anybody stand in front of or behind the vehicle while this test is being carried out
1. Check the automatic transmission fluid level and temperature, and the engine coolant temperature.
a. Fluid level : At the HOT mark on the oil level gauge
b. Fluid temperature : 80~100°C (176~212°F)
c. Engine coolant temperature : 80~100°C(176~212°F)
2. Prevent all the wheels from moving during the test.
3. Pull the parking brake lever up, with the brake pedal fully depressed.
4. Start the engine.
5.Move the selector lever to the "D" position, fully depress the accelerator pedal and take a reading of the maximum
engine speed at this time.
Stall speed : 2,100~2,900rpm
a.The throttle should not be left fully open for any more than five seconds.
b. If carrying out the stall test two or more times, move the selector lever to the "N" position and run the
engine at 1,000 r/min to let the automatic transaxle fluid cool down before carrying out subsequent tests.
6. Move the selector lever to the "R" position and carry out the same test again.
TORQUE CONVERTER STALL TEST CONCLUSION
1.Stall speed is too high in both "D" and "R" ranges
a. Low line pressure
b. Low & reverse brake(B) slippage
2. Stall speed is to high in "D" range only
a. Underdrive clutch(C) slippage
3. Stall speed is too high in "R" range only
a. Reverse clutch(A) slippage
4. Stall speed too low in both "D" and "R" ranges
a. Malfunction of torque converter(D)
b. Insufficient engine output
HYDRAULIC PRESSURE TEST
1.Warm up the engine until the automatic transaxle fluid temperature is 80- 100°C.
2. Lift up the vehicle so that the wheels are free to turn.
3. Connect the special tool (oil pressure gauge) to each pressure discharge port.
4. Measure the hydraulic pressure at each port under the conditions given in the standard hydraulic pressure table,
and check that the measured values are within the standard value ranges.
5. If a value is outside the standard range, correct the problem while referring to the hydraulic pressure test diagnosis
table.
STANDARD HYDRAULIC PRESSURE TESTMeasurement condition Standard hydraulic pressure kPa (psi)
Selector lever
position Shift
position Engine
speed(rpm) Under
drive
clutch
pressure Reverse
clutch
pressure Overdrive
clutch
pressure Low&reverse
brake
pressure Second
brake
pressure Damper
clutch
Apply
pressure (DA) Damper
clutch
Release
pressure (DR)
P -2,500 ---260- 340
(38- 50) -
--
R Reverse 2,500 -1,270-
1,770
(185 - 256) -
1,270- 1,770
(185 - 256) -
--
N -2,500 ---260- 340
(38- 50) -
--
1st gear 2,500430- 510
(62- 74) -
-1,010- 1,050
(146 - 152) -
--
2nd gear 2,500430- 510
(62- 74) -
- -430- 510
(62- 74) -
-
2007 > 2.7L V6 GASOLINE >
SERVICE ADJUSTMENT PROCEDURE
Automatic transaxle fluid
INSPECTION 1. Drive the vehicle until the fluid reaches normal operating temperature [70~80°C].
2. Place the vehicle on a level surface.
3. Move the selector lever through all gear positions. This will fill the torque converter and the hudraulic system with
fluid and move the selector lever to the "N" (Neutral) or "P"(Park) position.
4. Before removing the oil level gauge, wipe all contaminants from around the oil level gauge. Then take out the oil
level gauge and check the condition of the fluid.
If the fluid smells as if it is burning, it means that the fluid has been contaminated by fine particles from the
bushes and friction materials, a transaxle overhaul may be necessary.
5. Check that the fluid level is at the HOT mark on the oil level gauge. If the fluid level is low, add automatic transaxle
fluid until the level reaches the "HOT" mark.
Auto transaxle fluid:
DIAMOND ATF SP - III, SK ATF SP - III
Quantity : 8.5ℓ (9.0 US qt, 7.5 lmp.qt)
Low fluid level can cause a variety of a abnormal conditions because it allows the pump to take in air along
with fluid. Air trapped in the hydraulic system forms bubbles, which are compressable. Therefore, pressures
will be erratic, causing delayed shifting ,slipping clutches and brakes, etc. Improper filling can also raise fluid
level too high. When the transaxle has too much fluid, gears churn up foam and acuise the same conditions
which occur with low fluid level, resulting in accelerated deterioration of automatic transaxle fluid. In either
case, air bubbles can cause overheating, and fluid oxidation, which can interfere with normal valve, clutch, and
brake operation. Foaming can also result in fluid escaping from the transaxle vent where it may be mistaken
for a leak.
6. Insert the oil level gauge(A) securely.
When new, automatic transmission fluid should be red. The red dye is added so the assembly plant can
identify it as transmission fluid and distinguish it from engine oil or antifreeze. The red dye, which is not an
indicator of fluid quality, is not permanent. As the vehicle is driven the transmission fluid will begin to look
darker. The color may eventually appear light brown.
2007 > 2.7L V6 GASOLINE >
DESCRIPTION
Oil Temperature Sensor
The oil temperature sensor is of the thermistor type, and senses the automatic transaxle fluid temperature. Using the
signal from this sensor, TCM(PCM) controls the shift pattern optimally during shift. In order to operate the damper
clutch, this signal is also referred.
- Range of temperature : - 40°C~145°C
- Type: Separated type (High / Low temperature)
- Standard value of internal resistance
Temp.[°C(°F)] Resistance(kΩ) Temp.[°C(°F)]Resistance(kΩ)
- 40(- 40) 139.580(176) 1.08
- 20(- 4) 47.7100(212) 0.63
0(32) 18.6120(248) 0.38
20(68) 8.1140(284) 0.25
40(104) 3.8160(320) 0.16
60(140) 1.98
2007 > 2.7L V6 GASOLINE >
TROUBLESHOOTING
PROBLEM SYMPTOMS TABLE
Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant
charge, air flow or compressor.
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of
the problem. Check each part in order. If necessary, replace these parts.
After correcting the malfunction, check the complete system to ensure that performance is satisfactory.
STANDARD:
Symptom Suspect Area See page
No blower operation 1. Blower fuse
2. Blower relay
3. Blower motor
4. Power mosfet
5. Blower speed control switch
6. Wire harness
No air temperature control 1. Engine coolant capacity
2. Heater control assembly
No compressor operation 1. Refrigerant capacity
2. A/C Fuse
3. Magnetic clutch
4. Compressor
5. Dual pressure switch
6. A/C switch
7. Evaporator temperature sensor
8. Wire harness
No cool comes out 1. Refrigerant capacity
2. Refrigerant pressure
3. Drive belt
4. Magnetic clutch
5. Compressor
6. Dual pressure switch
7. Evaporator temperature sensor
8. A/C switch
9. Heater control assembly
10. Wire harness
Insufficient cooling 1. Refrigerant capacity
2. Drive belt
3. Magnetic clutch
4. Compressor
5. Condenser
6. Expansion valve
7. Evaporator
8. Refrigerant lines
9. Dual pressure switch
10. Heater control assembly
No engine idle - up when A/C switch
ON 1. Engine ECM
2. Wire harness
No air inlet control 1. Heater control assembly
No mode control 1. Heater control assembly
2. Mode actuator
No cooling fan operation 1. Cooling fan fuse
2. Fan motor
3. Engine ECM
4. Wire harness
2007 > 2.7L V6 GASOLINE >
REMOVAL
1.If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few
minutes, then shut the engine off.
2. Disconnect the negative cable from the battery.
3. Recover the refrigerant with a recovery/charging station (Refer to HA - 8).
4. Loosen the drive belt (Refer to HA - 14).
5. Remove the bolts, then disconnect the suction line (A) and discharge line (B) from the compressor. Plug (C) or cap
the lines immediately after disconnecting them to avoid moisture and dust contamination.
6.Disconnect the compressor clutch connector (A), and then remove 4 mounting bolts and the compressor.
INSTALLATION
1.Make sure of the length of compressor mounting bolts.
2.Install in the reverse order of removal, and note these items.
a. If you're installing a new compressor, drain all the refrigerant oil from the removed compressor, and measure its
volume, Subtract the volume of drained oil from 120cc(4.20 oz.) the result is the amount of oil you should drain