2005 TOYOTA AVENSIS transmission

05JL5−01
05−536− DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U151E)
AVENSIS Supplement (RM1045E)
MECHANICAL SYSTEM TESTS
1. PERFORM 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 positions.
NOTICE:
SPerform the test at the normal operating ATF (Automatic Transmission Fluid) temperature 50
to 80˚C(122 to176˚F).
SDo not continuously run this test for longer than10 seconds.
STo ensure safety, do this test in a wide, clear level area which provides good traction.
SThe 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 an hand−held tester to the DLC3.
(3) Fully apply the parking brake.
(4) Keep your left foot pressed firmly on the brake pedal.
(5) Start the engine.
(6) Shift into the D position. Press all the way down on the accelerator pedal with your right foot.
(7) Quickly read the stall speed at this time.
Stall speed: 2,250á150 rpm
(8) Do the same test in the R position.
Stall speed: 2,250á150 rpm
Evaluation:
ProblemPossible cause
(a) Stall engine speed is low in D and R positions
SEngine power output may be insufficient
SStator one−way clutch not operating properly
HINT: If the value is less than the specified value by 600 rpm or
more, the torque converter could be faulty.
(b) Stall engine speed is high in D position
SLine pressure is too low
SForward clutch slipping
SU/D (Underdrive) brake slipping
SU/D (Underdrive) one−way clutch not operating properly
SNo.1one−way clutch not operating properly
(c) Stall engine speed is high in R position
SLine pressure is too low
SReverse clutch slipping
S1st and reverse brake slipping
SU/D (Underdrive) brake slipping
(d) Stall engine speed is high in D and R positionsSLine pressure is too low
SImproper fluid level

05JL4−01
05 −534−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U 151E)
AVENSIS Supplement (RM 1045E)
ROAD TEST
1. PROBLEM SYMPTOM CONFIRMATION
(a) Based on the result of the customer problem analysis, try to reproduce the symptoms. If the problem
is that the transaxle does not shift up, shift down, or the shift point is too high or too low, conduct the
following road test referring to the automatic shift schedule and simulate the problem symptoms.
2. ROAD TEST
NOTICE:
Perform the test at the ATF (Automatic Transmission Fluid) temperature 50 to 80 ˚C( 122 to 176 ˚F) in
the normal operation.
(a) D position test: Shift into the D position and fully depress the accelerator pedal and check the following points.
(1 ) Check up −shift operation.
Check that 1
2, 2
3, 3
4 and 4
5th up −shifts take place, and that the shift points conform
to the automatic shift schedule (see page 03 −33).
HINT:
5th Gear Up −shift Prohibition Control
S ATF temperature is −2 ˚C (28 ˚F ) or less.
5th and 4th Gear Lock −up Prohibition Control
S Brake pedal is depressed.
S Accelerator pedal is released.
S Engine coolant temperature is 60 ˚C( 140 ˚F) or less.
(2) Check for shift shock and slip. Check for shock and slip at the 1
2, 2
3, 3
4 and 4
5th up −shifts.
(3) Check for abnormal noise and vibration. Check for abnormal noise and vibration when up −shifting from 1
2, 2
3, 3
4 and 4
5
while driving with the shift lever in the D position, and check while driving in the lock −up condition.
HINT:
The check for the cause of abnormal noise and vibration must be done thoroughly as it could also be due
to loss of balance in the differential, torque converter clutch, etc.
(4) Check kick −down operation.
Check vehicle speeds when the 2nd to 1st, 3rd to 2nd, 4th to 3rd, and 5th to 4th kick −downs take
place while driving with the shift lever in the D position. Confirm that each speed is within the
applicable vehicle speed range indicated in the automatic shift schedule (see page 03 −33).
(5) Check for abnormal shock and slip at kick −down.
(6) Check the lock −up mechanism.
SDrive in D position (5th gear), at a steady speed (lock −up ON).
SLightly depress the accelerator pedal and check that the engine speed does not change
abruptly.
HINT:
SThere is no lock −up function in the 1st, 2nd and 3rd gear.
S4th lock −up operates while uphill −downhill control is active in the D position.
SIf there is a big jump in engine speed, there is no lock −up.

05JL3−01
− DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U151E)05−529
AVENSIS Supplement (RM1045E)
SYSTEM DESCRIPTION
1. SYSTEM DESCRIPTION
(a) The ECT (Electronic controlled automatic transmission/transaxle) is an automatic transmission/trans-
axle that electronically controls shift timing using the ECM. The ECM detects electrical signals that indi-
cate engine and driving conditions, controls the shift point, and selects the appropriate shift pattern
based on driver habits and road conditions. As a result, fuel efficiency and power transmission/trans-
axle performance are improved.
Shift shock has been reduced by controlling the engine and transmission/transaxle simultaneously.
In addition, the ECT has the following features:
SDiagnostic function.
SFail−safe function when a malfunction occurs.

A80462
SPDE2ECM Connector
E13
E10
A62954
Turn Wheel
4.5
to 5.5V
0V
05−410
−
DIAGNOSTICS ECD SYSTEM (1CD−FTV)(From September, 2003)
AVENSIS Supplement (RM1045E)
2 READ VALUE OF HAND −HELD TESTER(VEHICLE SPEED)
(a) Connect the hand −held tester to the DLC3.
(b) Turn the ignition switch to ON and turn the hand −held tester ON.
(c) Start the engine.
(d) Select the item ”DIAGNOSIS / OBD/MOBD / DATA LIST / ALL / VEHICLE SPD”.
(e) Check the vehicle speed at the engine speed of 2,000 rpm or more when the vehicle is running. Standard: Same value as the actual vehicle speed.
YES CHECK FOR INTERMITTENT PROBLEMS(See page 05 −270)
NO
3 INSPECT ECM(SP 1 VOLTAGE)
(a) Shift the transmission gear selector lever to the neutral
position.
(b) Jack up the vehicle.
(c) Turn the ignition switch to ON.
(d) Check the voltage between the specified terminals of the E10 and E13 ECM connectors as the wheel is turned
slowly.
Standard:
Tester ConnectionSpecified Condition
SPD (E10 −17) − E2 (E13 −28)Generated intermittently
HINT:
The output voltage should fluctuate up and down similarly to the
diagram on the left when the wheel is turned slowly.
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
REPLACE ECM (See page 10− 29)

− DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U151E)05−625
AVENSIS Supplement (RM1045E)
TRANSMISSION CONTROL SWITCH CIRCUIT
CIRCUIT DESCRIPTION
When moving the shift lever into the S position using the transmission control switch, it is possible to switch
the shift range position between ”1” (first range) and ”5” (fifth range).
Shifting up ”+” once raises one shift range position, and shifting down ”−” lowers one shift range position.
05CW8−02

D30750
ECM
SPT1
SFTD
SFTU L
B
R20
21
22 E10
7
1
2
5J17
J/C
W−B(*1)
(*2) A
A S
SFTD
SFTU
E IG 3 R−WT7
Transmission Control SW
Center J/B
Driver Side J/B
I13
Ignition SW
Engine Room J/B No.4
FL MAIN
Battery
*1: LHD
*2 RHDIJIK IPJ15
J/C A AM1IG1 R−W
W−B B−G
G−Y7
1
CA
7
DB
9
DA
1
DH AM1 GAUGE1 IG1Relay
5
13
2 DN
31
1
4D1
4B ALT
21E10
E10
W−B
W−B
CG
R−W 1
5
DH
G−R
G−Y
W−B
B−G R−W
B−G 05−626
− DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U151E)
AVENSIS Supplement (RM1045E)
WIRING DIAGRAM

G23398
Wire Harness Side:
(Connector Front View):T7
G23398
Wire Harness Side:
(Connector Front View):
T7
−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U 151E)05 −627
AVENSIS Supplement (RM 1045E)
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR(BATTERY − TRANSMISSION CONTROL
SWITCH)
(a) Disconnect the transmission control switch connector of
shift lock control unit assy.
(b) Measure the voltage according to the value(s) in the table
below.
Standard:
Switch ConditionTester ConnectionSpecified Condition
IG switch ON3− Body ground10to 14V
IG switch OFF
Below 1 V
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR (SEE PAGE 0 1− 32)
OK
2 CHECK HARNESS AND CONNECTOR(TRANSMISSION CONTROL SWITCH −
BODY GROUND)
(a) Measure the resistance according to the value(s) in the
table below.
Standard:
Tester ConnectionSpecified Condition
5− Body groundBelow 1
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR (SEE PAGE 0 1− 32)
OK

G28380
Switch Side:
(Connector Front View):
T7
05−628− DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U151E)
AVENSIS Supplement (RM1045E)
3 INSPECT SHIFT LOCK CONTROL UNIT ASSY(TRANSMISSION CONTROL
SWITCH)
(a) Measure resistance between each terminal of shift lock
control unit assy when the shift lever is moved to each
position.
Standard:
Shift PositionTester ConnectionSpecified Condition
S, ”+” and ”−”3−7Below1
Except S, ”+” and ”−”
10kor higher
Press continuously
”+”
(Up shift)
2−5Below1
S
10kor higher
Press continuously
”−”
(Down shift)
1−5Below1
S
10kor higher
NG REPLACE SHIFT LOCK CONTROL UNIT ASSY
OK