2005 TOYOTA AVENSIS Service Repair Manual

USB check engine light dashboard headlight bulb reset battery

Page 4505 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual −
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U 151E)05 −595
AVENSIS Supplement (RM 1045E)
DTC P0766 SHIFT SOLENOID ”D” PERFORMANCE
(SHIFT SOLENOID VALVE S4)
SYSTEM DESCRIPTI

−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U 151E)05 −595
AVENSIS Supplement (RM 1045E)
DTC P0766 SHIFT SOLENOID ”D” PERFORMANCE
(SHIFT SOLENOID VALVE S4)
SYSTEM DESCRIPTION
The ECM uses signals from the vehicle speed sensor to detect the actual gear position ( 1st, 2nd, 3rd, 4th
or 5th gear).
Then the ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical
problems of the shift solenoid valves and valve body.
DTC No.DTC Detecting ConditionTrouble Area
P0766The gear required by the ECM does not match the actual gear
when driving (2 −trip detection logic)
S Shift solenoid valve S4 remains open or closed
S Valve body is blocked
S Shift solenoid valve S4
S Automatic transaxle (clutch, brake or gear etc.)
S ECM
MONITOR DESCRIPTION
The ECM commands gear shifts by turning the shift solenoid valves ”ON/OFF”. According to the input shaft
revolution, intermediate (counter) shaft revolution and output shaft revolution, the ECM detects the actual
gear position ( 1st, 2nd, 3rd, 4th or 5th gear position). When the gear position commanded by the ECM and
the actual gear position are not same, the ECM illuminates the MIL and stores the DTC.
INSPECTION PROCEDURE
HINT:
Performing the ACTIVE TEST using the hand −held tester allows the relay, VSV, actuator and so on to oper-
ate without parts removal. Performing the ACTIVE TEST as the first step of troubleshooting is one method
to shorten labor time.
It is possible to display the DATA LIST during the ACTIVE TEST.
(a) Turn the ignition switch off.
(b) Connect the hand −held tester to the DLC3.
(c) Turn the ignition switch to the ON position.
(d) Push the ”ON” button of the hand −held tester.
(e) Select the item ”DIAGNOSIS / OBD/MOBD / ACTIVE TEST / SHIFT”.
(f) According to the display on tester, perform the ”ACTIVE TEST”.
HINT:
While driving, the shift position can be forcibly changed with the hand −held tester.
Comparing the shift position commanded by the ACTIVE TEST with the actual shift position enables you
to confirm the problem (see page 05 −560).
ItemTest DetailsDiagnostic Note
SHIFT
[Test Details]
Operate the shift solenoid valve and set the each shift position by your-
self.
[Vehicle Condition]
Less than 50 km/h (3 1mph)
[Others]
S Press ” ” button: Shift up
S Press ” ” button: Shift down
Possible to check the operation of
the shift solenoid valves.
HINT:
SThis test can be conducted when the vehicle speed is 50 km/h (3 1mph) or less.
SThe shift position commanded by the ECM is shown in the DATA LIST/SHIFT display on the hand −held
tester.
05CVX −03

Page 4506 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual C90639
(+)
( − )
Shift Solenoid Valve S4:
05 −596−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U 151E)
AVENSIS Supplement (RM 1045E)
1 CHECK OTHER DTCS OUTPUT(IN ADDITION TO D

Page 4507 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual −
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U 151E)05 −597
AVENSIS Supplement (RM 1045E)
4 INSPECT TORQUE CONVERTER CLUTCH ASSY (See Pub. No. RM 1018E,
page 40 −37)
OK:
The t

Page 4508 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual G31765
Electronically Controlled
Transmission SolenoidE12ECM
E12
Y
Y −B 19
18
SL1+
SL1 −
6
13
B W
E1
SL1+
SL1− +B
CPU
05
−592−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U

Page 4509 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual G26426
Transmission Wire Side:
(Connector Front View):
SL1+
SL1 −
E1
C82158C91565
SL1−
SL1+
E13E12E11E10E9
ECM:
−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U151E)05−593
AVE

Page 4510 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual G20767
2
1
(+)
( − )
2
1
Shift Solenoid Valve SL
1:
05 −594−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U151E)
AVENSIS Supplement (RM1045E)
3 INSPECT SHIFT SOLENOID VALVE(SL 1

Page 4511 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual G31165
E1
Electronically Controlled
Transmission Solenoid
L−B
E12DSLECM
11
SB
10
DSL+B
CPU
05−586− DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U151E)
AVENSIS Supplement (RM1045E)

Page 4512 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual G26426
Transmission Wire Side:
(Connector Front View):DSL
E1
C82158C91565
DSL
E13E12E11E10E9
ECM:
−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U151E)05−587
AVENSIS Supplement (R

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