Page 923 of 5135
![TOYOTA AVENSIS 2005 Service Repair Manual D25148
TA CDLC3 12345 768
9 1 0111 21 3 1 514 16
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FE))05±871
AVENSIS REPAIR MANUAL (RM1018E)
8. MECHANICAL SYSTEM TESTS
(a)](/manual-img/14/57441/w960_57441-922.png "TOYOTA AVENSIS 2005 Service Repair Manual D25148
TA CDLC3 12345 768
9 1 0111 21 3 1 514 16
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FE))05±871
AVENSIS REPAIR MANUAL (RM1018E)
8. MECHANICAL SYSTEM TESTS
(a)")
D25148
TA CDLC3 12345 768
9 1 0111 21 3 1 514 16
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FE))05±871
AVENSIS REPAIR MANUAL (RM1018E)
8. MECHANICAL SYSTEM TESTS
(a) Measure the stall speed.
The object of this test is to check the overall performance of the transaxle and engine by measuring
the stall speeds in the D and R ranges.
NOTICE:
Do the test at normal operating ATF temperature 50 to 80C (122 to 176F).
Do not continuously run this test for longer than 5 seconds.
To ensure safety, do this test in a wide, clear level area which provides good traction.
The stall test should always be carried out in pairs. One technician should observe the condi-
tions of wheels or wheel stoppers outside the vehicle while the other is doing the test.
(1) Chock the 4 wheels.
(2) Connect the hand±held tester to DLC3 or tachome-
ter to terminal TAC of DLC3 with SST.
SST 09843±18030
(3) Fully apply the parking brake.
(4) Keep your left foot pressing firmly on the brake ped-
al.
(5) Start the engine.
(6) Shift into the D range. Press all the way down on the
accelerator pedal with your right foot.
(7) Quickly read the stall speed at this time.
Stall speed: 2,550 150 rpm
(8) Do the same test in the R range.
Stall speed: 2,550 150 rpm
Evaluation:
ProblemPossible cause
(a) Stall speed low in D and R ranges
Engine output may be insufficient
Stator one±way clutch not operating properly
HINT: If more than 600 rpm below the specified value, the torque
converter could be faulty.
(b) Stall speed high in D range
Line pressure too low
Forward clutch slipping
No. 2 one±way clutch not operating properly
U/D clutch slipping
(c) Stall speed high in R range
Line pressure too low
Direct clutch slipping
1st & reverse brake slipping
U/D clutch slipping
(d) Stall speed high in D and R ranges
Line pressure too low
Improper fluid level
U/D one±way clutch not operating properly
Page 936 of 5135
±
DIAGNOSTICS ABS WITH EBD & BA & TRC & VSC SYSTEM
05±855
AVENSIS REPAIR MANUAL (RM1018E)
2CHECK HARNESS AND CONNECTOR(DLC3 ± BODY GROUND)
(a)Check for an open or short circuit in harness and connector between terminal Ts of the DLC3 and skid
control ECU (See page 01±32).
NG REPAIR OR REPLACE HARNESS ORCONNECTOR
OK
3 CHECK AND REPAIR HARNESS AND CONNECTOR(SKID CONTROL ECU ± DLC3)
(a) Check for an open or short circuit in harness and connector between terminal \
CG of the DLC3 and body ground (See page 01±32).
NG REPAIR OR REPLACE HARNESS ORCONNECTOR
OK
REPLACE ABS & TRACTION ACTUATOR ASSY(See page 32±57)
Page 938 of 5135
±
DIAGNOSTICS ABS WITH EBD & BA & TRC & VSC SYSTEM
05±853
AVENSIS REPAIR MANUAL (RM1018E)
2CHECK HARNESS AND CONNECTOR(DLC3 ± BODY GROUND)
(a)Check for an open or short circuit in harness and connector between terminal \
CG of the DLC3 and body
ground (See page 01±32).
NG REPAIR OR REPLACE HARNESS ORCONNECTOR
OK
3 CHECK HARNESS AND CONNECTOR(SKID CONTROL ECU ± DLC3)
(a) Check for an open or short circuit in harness and connector between term\
inal Tc of the skid control ECU and DLC3 (See page 01±32).
NG REPAIR OR REPLACE HARNESS ORCONNECTOR
OK
REPLACE ABS & TRACTION ACTUATOR ASSY(See page 32±57)
Page 940 of 5135
F02192
12
(+)(±)
±
DIAGNOSTICS ABS WITH EBD & BA & TRC & VSC SYSTEM
05±851
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
HINT:
Start the inspection from step 1 if you are using the hand±held tester and\
start from step 2 if you are not using
the hand±held tester.
1PERFORM ACTIVE TEST BY HAND±HELD TESTER(SKID CONTROL BUZZER)
(a)Check that skid control buzzer sounds ºONº and ºOFFº with th\
e hand±held tester.
OKREPLACE ABS & TRACTION ACTUATOR ASSY(See page 32±57)
NG
2INSPECT SKID CONTROL BUZZER ASSY
(a)Disconnect the skid control buzzer connector.
(b)Apply battery positive voltage to the terminals 1 and 2 of the skid control buzzer connector, check that the buzzer
sounds.
NGREPLACE SKID CONTROL BUZZER ASSY
OK
3CHECK HARNESS AND CONNECTOR(SKID CONTROL BUZZER ± SKID CONTROL ECU)
(a)Check for an open or short circuit in harness and connector between terminal \
BZ of the skid control
ECU and skid control buzzer (See page 01±32).
NG REPAIR OR REPLACE HARNESS ORCONNECTOR
OK
REPLACE ABS & TRACTION ACTUATOR ASSY(See page 32±57)
Page 947 of 5135
![TOYOTA AVENSIS 2005 Service Repair Manual D25148
TA CDLC3 12345 768
9 1 0111 21 3 1 514 16 05±926
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FSE))
AVENSIS REPAIR MANUAL (RM1018E)
8. MECHANICAL SYSTEM TESTS
(a](/manual-img/14/57441/w960_57441-946.png "TOYOTA AVENSIS 2005 Service Repair Manual D25148
TA CDLC3 12345 768
9 1 0111 21 3 1 514 16 05±926
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FSE))
AVENSIS REPAIR MANUAL (RM1018E)
8. MECHANICAL SYSTEM TESTS
(a")
D25148
TA CDLC3 12345 768
9 1 0111 21 3 1 514 16 05±926
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FSE))
AVENSIS REPAIR MANUAL (RM1018E)
8. MECHANICAL SYSTEM TESTS
(a) Measure the stall speed.
The object of this test is to check the overall performance of the transaxle and engine by measuring
the stall speeds in the D and R ranges.
NOTICE:
Do the test at normal operating ATF temperature 50 to 80C (122 to 176F).
Do not continuously run this test for longer than 5 seconds.
To ensure safety, do this test in a wide, clear level area which provides good traction.
The stall test should always be carried out in pairs. One technician should observe the condi-
tions of wheels or wheel stoppers outside the vehicle while the other is doing the test.
(1) Chock the 4 wheels.
(2) Connect the hand±held tester to DLC3 or tachome-
ter to terminal TAC of DLC3 with SST.
SST 09843±18030
(3) Fully apply the parking brake.
(4) Keep your left foot pressing firmly on the brake ped-
al.
(5) Start the engine.
(6) Shift into the D range. Press all the way down on the
accelerator pedal with your right foot.
(7) Quickly read the stall speed at this time.
Stall speed: 2,550 150 rpm
(8) Do the same test in the R range.
Stall speed: 2,550 150 rpm
Evaluation:
ProblemPossible cause
(a) Stall speed low in D and R ranges
Engine output may be insufficient
Stator one±way clutch not operating properly
HINT: If more than 600 rpm below the specified value, the torque
converter could be faulty.
(b) Stall speed high in D range
Line pressure too low
Forward clutch slipping
No. 2 one±way clutch not operating properly
U/D clutch slipping
(c) Stall speed high in R range
Line pressure too low
Direct clutch slipping
1st and reverse brake slipping
U/D clutch slipping
(d) Stall speed high in D and R ranges
Line pressure too low
Improper fluid level
U/D one±way clutch not operating properly
Page 3466 of 5135
± INTRODUCTIONTERMS
01±11
1AZ±FSE ENGINE REPAIR MANUAL (RM1019E)Abbreviations Meaning
TISTotal Information System For Vehicle Development
T/MTransmission
TMCTOYOTA Motor Corporation
TMMKTOYOTA Motor Manufacturing Kentucky, Inc.
TRCTraction Control System
TURBOTurbocharge
TWCThree±Way Catalyst
U/DUnderdrive
U/SUndersize
VCVVacuum Control Valve
VENTVentilator
VINVehicle Identification Number
VPSVariable Power Steering
VSCVehicle Stability Control
VSVVacuum Switching Valve
VTVVacuum Transmitting Valve
VVT±iVariable Valve Timing±intelligent
w/With
WGNWagon
W/HWire Harness
w/oWithout
WU±TWCWarm Up Three±way Catalytic Converter
WU±OCWarm Up Oxidation Catalytic Converter
1stFirst
2ndSecond
2WDTwo Wheel Drive Vehicle (4 x 2)
3rdThird
4thFourth
4WDFour Wheel Drive Vehicle (4 x 4)
4WSFour Wheel Steering System
5thFifth
Page 3967 of 5135
W04200
Normal Signal Waveform
1 V / Division 2 m/s / Division GND
F10178OK
NG
05±780
±
DIAGNOSTICS ABS WITH EBD & BA & TRC & VSC SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
3CHECK HARNESS AND CONNECTOR(REAR SPEED SENSOR ± SKID CONTROL ECU)
(a)Check for an open or short circuit in harness and connector between each skid\
control sensor and the
skid control ECU (See page 01±32).
NGREPAIR OR REPLACE HARNESS ORCONNECTOR
OK
4INSPECT SPEED SENSOR AND SENSOR ROTOR SERRATIONS
(REFERENCE) INSPECTION USING OSCILLOSCOPE
(a)Connect the oscilloscope to the terminals RR+ ± RR± and RL+ ± RL± of the skid control ECU.
(b)Drive the vehicle at about 30 km/h (19 mph), and check the signal waveform.
HINT:
As the vehicle speed (wheel revolution speed) increases,
a cycle of the waveform becomes shorter and the fluctua-
tion in the output voltage becomes greater.
When noise is identified in the waveform on the oscillo-
scope, error signals are generated due to the speed sen-
sor rotor's scratches, looseness or foreign matter depos-
ited on it.
OKREPLACE ABS & TRACTION ACTUATOR ASSY (See page 32±57)
NG
5INSPECT SKID CONTROL SENSOR INSTALLATION
(a)Check the sensor installation. OK:
There is no clearance between the sensor and rear
axle carrier.
NGREPLACE SKID CONTROL SENSOR
NOTICE:
Check the speed sensor signal last (See page 05±756).
OK
Page 3968 of 5135
W04846
±
DIAGNOSTICS ABS WITH EBD & BA & TRC & VSC SYSTEM
05±781
AVENSIS REPAIR MANUAL (RM1018E)
6INSPECT SKID CONTROL SENSOR TIP
(a)Remove the skid control sensor (See page 32±61).
(b)Check the sensor tip.
OK:
No scratches or foreign objects on the sensor tip.
NGCLEAN OR REPAIR SKID CONTORL SENSOR
NOTICE:
Check the speed sensor signal last (See page 05±756).
OK
7INSPECT SENSOR ROTOR
(a)Check the sensor rotor serrations. OK:
No scratches, missing teeth or foreign objects.
NGREPLACE REAR AXLE HUB & BEARING ASSY RH
NGREPLACE REAR AXLE HUB & BEARING ASSY LH
NOTICE:
Check the speed sensor signal last (See page 05±756).
OK
REPLACE ABS & TRACTION ACTUATOR ASSY(See page 32±57)
NOTICE:
Do not reuse the skid control sensor.
