TOYOTA AVENSIS 2005 Service Repair Manual

056IK−05
05 −564−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U 151E)
AVENSIS Supplement (RM 1045E)
DIAGNOSTIC TROUBLE CODE CHART
If a DTC is displayed during the DTC check, check the parts listed in the table below and proceed to the page
given.
HINT:
S *1 : F ... MIL (Malfunction Indicator Lamp) light up
S *2 : ’’ f ’’ mark means ECM memorizes the malfunction code if the ECM detects the DTC detection
condition.
S This DTC may be output when the clutch, brake and gear components etc. inside the automatic trans-
axle are damaged.
DTC No.
(See Page)Detection ItemTrouble AreaMIL *1Memory *2
P0500
(05 −1 83)Vehicle Speed Sensor ”A”
SCombination meter
S Open or short in vehicle speed sensor circuit
S Vehicle speed sensor
S ECM
Ff
P0705
(05 −566)Transmission Range Sensor Cir-
cuit Malfunction (PRNDL Input)SOpen or short in park/neutral position switch circuit
S Park/neutral position switch
S ECM
Ff
P07 10
(05 −57 1)Transmission Fluid Temperature
Sensor ”A” CircuitS Open or short in ATF temperature sensor circuit
S Transmission wire (ATF temperature sensor)
S ECM
Ff
P07 11
(05 −574)Transmission Fluid Temperature
Sensor ”A” PerformanceSOpen or short in ATF temperature sensor circuit
S Transmission wire (ATF temperature sensor)
S ECM
Ff
P07 12
(05 −57 1)Transmission Fluid Temperature
Sensor ”A” Circuit Low InputS Short in ATF temperature sensor circuit
S Transmission wire (ATF temperature sensor)
S ECM
Ff
P07 13
(05 −57 1)Transmission Fluid Temperature
Sensor ”A” Circuit High InputS Open in ATF temperature sensor circuit
S Transmission wire (ATF temperature sensor)
S ECM
Ff
P07 17
(05 −577)Turbine Speed Sensor Circuit No
Signal
SOpen or short in transmission revolution sensor NT (speed
sensor NT) circuit
S Transmission revolution sensor NT (speed sensor NT)
S ECM
S Automatic transaxle assembly
Ff
P0724
(05 −580)Brake Switch ”B” Circuit High
SShort in stop light switch circuit
S Stop light switch
S ECM
Ff
P074 1
(05 −582)Torque Converter Clutch Sole-
noid Performance
(Shift Solenoid Valve DSL)
S Shift solenoid valve DSL remains open or closed
S Valve body is blocked
S Shift solenoid valve DSL
S Torque converter clutch
S Automatic transaxle (clutch, brake or gear etc.)
S Line pressure is too low
S ECM
Ff
P0743
(05 −586)Torque Converter Clutch Circuit
Electrical
(Shift Solenoid Valve DSL)SOpen or short in shift solenoid valve DSL circuit
S Shift solenoid valve DSL
S ECM
Ff
P0746
(05 −589)Pressure Control Solenoid ”A”
Performance
(Shift Solenoid Valve SL 1)
SShift solenoid valve SL 1remains open or closed
S Valve body is blocked
S Shift solenoid valve SL 1
S Automatic transaxle (clutch, brake or gear etc.)
S ECM
Ff

−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U 151E)05 −565
AVENSIS Supplement (RM 1045E)
P0748
(05 −592)
Pressure Control Solenoid ”A”
Electrical
(Shift Solenoid Valve SL 1)SOpen or short in shift solenoid valve SL 1circuit
S Shift solenoid valve SL 1
S ECM
Ff
P0766
(05 −595)Shift Solenoid ”D” Performance
(Shift Solenoid Valve S4)
SShift 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
Ff
P077 1
(05 −598)Shift Solenoid ”E” Performance
(Shift Solenoid Valve SR)
SShift solenoid valve SR remains open or closed
S Valve body is blocked
S Shift solenoid valve SR
S Automatic transaxle (clutch, brake or gear etc.)
S ECM
Ff
P0776
(05 −60 1)Pressure Control Solenoid ”B”
Performance
(Shift Solenoid Valve SL2)
S Shift solenoid valve SL2 remains open or closed
S Valve body is blocked
S Shift solenoid valve SL2
S Automatic transaxle (clutch, brake or gear etc.)
S ECM
Ff
P0778
(05 −604)Pressure Control Solenoid ”B”
Electrical
(Shift Solenoid Valve SL2)SOpen or short in shift solenoid valve SL2 circuit
S Shift solenoid valve SL2
S ECM
Ff
P0793
(05 −607)Intermediate Shaft Speed Sen-
sor ”A”
SOpen or short in transmission revolution sensor NC (speed
sensor NC) circuit
S Transmission revolution sensor NC (speed sensor NC)
S ECM
Ff
P0796
(05 −610)Pressure Control Solenoid ”C”
Performance
(Shift Solenoid Valve SL3)
SShift solenoid valve SL3 remains open or closed
S Valve body is blocked
S Shift solenoid valve SL3
S Automatic transaxle (clutch, brake or gear etc.)
S ECM
Ff
P0798
(05 −613)Pressure Control Solenoid ”C”
Electrical
(Shift Solenoid Valve SL3)SOpen or short in shift solenoid valve SL3 circuit
S Shift solenoid valve SL3
S ECM
Ff
P0982
(05 −616)Shift Solenoid ”B” Control Circuit
Low (Shift Solenoid Valve S4)SShort in shift solenoid valve S4 circuit
S Shift solenoid valve S4
S ECM
Ff
P0983
(05 −616)Shift Solenoid ”B” Control Circuit
High (Shift Solenoid Valve S4)SOpen in shift solenoid valve S4 circuit
S Shift solenoid valve S4
S ECM
Ff
P0985
(05 −619)Shift Solenoid ”E” Control Circuit
Low (Shift Solenoid Valve SR)SShort in shift solenoid valve SR circuit
S Shift solenoid valve SR
S ECM
Ff
P0986
(05 −619)Shift Solenoid ”E” Control Circuit
High (Shift Solenoid Valve SR)SOpen in shift solenoid valve SR circuit
S Shift solenoid valve SR
S ECM
Ff
P27 16
(05 −622)Pressure Control Solenoid ”D”
Electrical
(Shift Solenoid Valve SLT)SOpen or short in shift solenoid valve SLT circuit
S Shift solenoid valve SLT
S ECM
Ff

05JLF−01
05 −562−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U 151E)
AVENSIS Supplement (RM 1045E)
DATA LIST/ACTIVE TEST
1. DATA LIST
HINT:
According to the DATA LIST displayed by the hand −held tester, you can read the value of the switch, sensor,
actuator and so on without parts removal. Reading the DATA LIST as the first step of troubleshooting is one
method to shorten labor time.
(a) Warm up the engine.
(b) Turn the ignition switch off.
(c) Connect the hand −held tester to the DLC3.
(d) Turn the ignition switch to the ON position.
(e) Push the ”ON” button of the hand −held tester.
(f) Select the item ”DIAGNOSIS / OBD/MOBD / DATA LIST”.
(g) According to the display on tester, read the ”DATA LIST”.
ItemMeasurement Item/
Range (display)Normal ConditionDiagnostic Note
STOP LIGHT SWStop light SW Status/ ON or OFFS Brake Pedal is depressed: ON
S Brake Pedal is released: OFF−
REVERSEPNP SW Status/
ON or OFFShift lever position is;
R: ON
Except R: OFF
When the shift lever position dis-
played on the hand −held tester dif-
fers from the actual position, ad-
justment of the PNP switch or the
shift cable may be incorrect.
HINT:
When the failure still occurs even
after adjusting these parts,
see page 05 −566.
DRIVEPNP SW Status/
ON or OFFShift lever position is;
D and S: ON
Except D and S: OFF


SHIFTActual Gear Position/
1 st, 2nd, 3rd, 4th or 5thShift lever position is;
SD: 1st, 2nd, 3rd, 4th or 5th
S S: 1st, 2nd, 3rd, 4th or 5th
−
LOCK UP SOLLock Up Solenoid Status/
ON or OFFSLock Up: ON
S Except Lock Up: OFF−
SOLENOID (SLT)Shift Solenoid SLT Status/
ON or OFF
SAccelerator pedal is depressed:
OFF
S Accelerator pedal is released:
ON
−
AT FLUID TEMP
ATF Temp. Sensor Value/
min.: −40 _C( −40 _F)
max.: 2 15_C(4 19_F)S After Stall Test;
Approx. 80 _C( 176 _F)
S Equal to ambient temperature
when the engine is coldIf the value is ” −40 _C( −40 _F)” or
”2 15_C(4 19_F)”, ATF temp. sen-
sor circuit is opened or shorted.
SPD (NC)Counter Gear Speed/
display: 50 r/min
[HINT]
3rd when shift lever position is D
position (After warming up the en-
gine);
SIntermediate shaft speed (NC)
becomes close to the engine
speed.
−

−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U 151E)05 −563
AVENSIS Supplement (RM 1045E)
2. ACTIVE TEST
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) Warm up the engine.
(b) Turn the ignition switch off.
(c) Connect the hand −held tester to the DLC3.
(d) Turn the ignition switch to the ON position.
(e) Push the ”ON” button of the hand −held tester.
(f) Select the item ”DIAGNOSIS / OBD/MOBD / ACTIVE TEST”.
(g) According to the display on tester, perform the ”ACTIVE TEST”.
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 1 mph)
[Others]
S Press ” ” button: Shift up
S Press ” ” button: Shift down
Possible to check the operation of
the shift solenoid valves.
LOCK UP
[Test Details]
Control the shift solenoid DSL to set the automatic transaxle to the
lock−up condition.
[Vehicle Condition]
Vehicle Speed: 60 km/h (37 mph) or more, and 5th gear
Possible to check the DSL opera-
tion.
LINE PRESS UP *
[Test Details]
Operate the shift solenoid SLT and raise the line pressure.
[Vehicle Condition]
S Vehicle Stopped.
S IDL: ON
[HINT]
OFF: Line pressure up (When the active test of ”LINE PRESS UP” is
performed, the ECM commands the SLT solenoid to turn off).
ON: No action (normal operation)
−
*: ”LINE PRESS UP” in the ACTIVE TEST is performed to check the line pressure changes by connecting
the SST to the automatic transaxle, which is used in the HYDRAULIC TEST (see page 05 −538) as well.
HINT:
The pressure values in ACTIVE TEST and HYDRAULIC TEST are different from each other.

05JLE−01
05−560− DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U151E)
AVENSIS Supplement (RM1045E)
FAIL−SAFE CHART
1. FAIL−SAFE
This function minimizes the loss of the ECT functions when any malfunction occurs in each sensor or sole-
noid.
(a) ATF (Automatic Transmission Fluid) temperature sensor:
When the ATF temperature sensor has a malfunction, 5th upshift is prohibited.
(b) Counter gear speed sensor NC (Speed sensor NC):
When the counter gear speed sensor has a malfunction, 5th upshift is prohibited.
(c) Shift solenoid valve DSL:
When the solenoid valve DSL has a malfunction, the current to the solenoid valve is stopped.
This stops lock−up control, then fuel economy decreases.

: ON : According to Flex Lock−up: OFF
NormalSolenoid
ValveSL1
SL2
SL3
S4
Gear Position 2nd 3rd 4th 5th1st
SL1
SL2
SL3
S4 Solenoid
Valve
Gear Position2nd 3rd 2nd 4th 2nd 5th 2nd 1st 2nd
SL1Malfunction
(During driving at1st
or 2nd)
SL1
SL2
SL3
S4 Solenoid
Valve
Gear Position3rd 4th 5th 4th 1st 4th
SL1Malfunction
(During driving at 3rd)
2nd 4th4th
SL1
SL2
SL3
S4 Solenoid
Valve
Gear Position3rd 4th 5th 4th 1st 4th
SL1Malfunction
(During driving at 4th
or 5th)
2nd 4th4th
SL1
SL2
SL3
S4 Solenoid
Valve
Gear Position3rd 4th 5th 4th 1st 4th
SL2 Malfunction
2nd 4th4th
Solenoid
ValveSL1
SL2
SL3
S4
Gear Position 2nd 3rd 4th1st
5th 4th
SL3 Malfunction
Solenoid
ValveSL1
SL2
SL3
S4
Gear Position 2nd 3rd 4th1st
5th 4th
SL1
SL2
SL3
S4 Solenoid
Valve
Gear Position3rd 4th 5th 4th 1st 4th
SL1, SL2, SL3, and S4
Malfunction
2nd 4th
4th
S4 Malfunction
: Condition in the normal operation is shown on the left of ” ”.
Condition in the fail−safe mode is shown on the right of ” ”.
− DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U151E)05−561
AVENSIS Supplement (RM1045E)
(d) Shift solenoid valve SL1, SL2, SL3 and S4:
Fail safe function:
If either of the shift solenoid valve circuits develops an open or short, the ECM turns the other shift solenoid
”ON” and ”OFF” in order to shift into the gear positions shown in the table below.
Manual shifting as shown in the following table must be done (In case of a short circuit, the ECM stops send-
ing the current to the short circuit solenoid).
Even if starting the engine in the fail−safe mode, the gear position remain in the same position.

05JLD−01
G23403
Hand −Held Tester
DLC3
BR3904
ON
OFF 0.
13 sec.
0.13 sec.
05
−558
−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U 151E)
AVENSIS Supplement (RM 1045E)
CHECK MODE PROCEDURE
1. DTC CHECK (CHECK MODE)
HINT:
Hand −held tester only:
Compared to the normal mode, the check mode has more sens-
ing ability to detect malfunctions. Furthermore, the same diag-
nostic items which are detected in the normal mode can also be
detected in the check mode.
(a) Procedure for Check Mode using the hand −held tester.
( 1 ) Check the initial conditions.
S Battery positive voltage 11 V or more
S Throttle valve fully closed
S Transaxle in the P or N position
S A/C switch is off
(2) Turn the ignition switch off.
(3) Connect the hand −held tester to the DLC3.
(4) Turn the ignition switch to the ON position.
(5) Switch the hand −held tester from the normal mode
to the check mode (Check that the MIL flashes).
NOTICE:
If the hand −held tester switches the ECM from the normal
mode to the check mode or vice −versa, or if the ignition
switch is turned from the ON position to the ACC or LOCK
position during the check mode, the DTC and freeze frame
data will be erased.
(6) Start the engine (MIL goes off after the engine starts).
(7) Perform ”MONITOR DRIVE PATTERN” for the ECT test (see page 05 −543).
(Or, simulate the conditions of the malfunction de-
scribed by the customer).
NOTICE:
Leave the ignition switch in the ON position until you have
checked the DTCs, etc.
(8) After simulating malfunction conditions, use the hand−held tester diagnosis selector to check the
DTCs and freeze frame data, etc.
HINT:
Be sure not to turn the ignition switch off, as turning it off
switches the diagnosis system from the check mode to the nor-
mal mode, which erases all the DTCs, etc. (9) After checking the DTC, inspect the applicable cir- cuit.

− DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U151E)05−559
AVENSIS Supplement (RM1045E)
2. DTC CLEAR
(a) When using the hand−held tester:
Clearing the DTCs.
(1) Connect the hand−held tester to the DLC3.
(2) Turn the ignition switch to the ON position. (Do not
start the engine start)
(3) Use the hand−held tester to check the DTCs and
freeze frame data and then write them down. For
the hand−held tester, select the item: DIAGNOSIS
/ OBD/MOBD / DTC INFO / CLEAR CODES.
HINT:
If you need help with the hand−held tester, refer to its instruction
book.
(b) When not using the hand−held tester:
Clearing the DTCs.
(1) Disconnecting the battery terminal or remove the
EFI and THROTTLE fuses from the engine room
R/B for 60 seconds or more. But if you disconnect
the battery terminal, you should do the ”INITIALIZE
” procedure.

05JLB−01
G23403
Hand −Held Tester
DLC3
−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U 151E)05 −553
AVENSIS Supplement (RM 1045E)
DIAGNOSIS SYSTEM
1. DESCRIPTION for EURO −OBD (European spec.)
S When troubleshooting Euro −OBD vehicles, the only dif-
ference from the usual troubleshooting procedure is that
you c onnect an O BD scan t ool com plying wit h I SO
1 503 1− 4 or a hand −held tester to the vehicle, and read
the various data output from the vehicle’s ECM.
S Eur o −O BD r egulat ions r equir e t hat t he v ehicle’s on −
board computer illuminates the check engine warning
light (CHK ENG (MIL)) on the instrument panel when the
computer detects a malfunction in: 1) the emission control
system / components, or 2) the powertrain control compo-
nents (which affect vehicle emissions), or 3) the comput-
er. In addition, the applicable Diagnostic Trouble Codes
(DTCs) prescribed by ISO 1503 1− 4 are recorded in the
ECM memory (see page 05 −564).
If the malfunction does not reoccur in 3 consecutive trips, the
CHK ENG (MIL) goes off automatically but the DTCs remain re-
corded in the ECM memory.
S To check the DTCs, connect the OBD scan tool or hand −
held tester to Data Link Connector 3 (DLC3) on the ve-
hicle. The OBD scan tool or hand −held tester also en-
ables you to erase the DTCs and check the freeze frame
data and various forms of engine data. (See the instruc-
tion manual for the OBD scan tool or the hand −held tes-
ter).
S DTCs include ISO controlled codes and manufacturer
controlled codes. ISO controlled codes must be set ac-
cording to the ISO, while manufacturer controlled codes
can be set by a manufacturer within certain restrictions
(see the DTC chart on page 05 −564).
S The diagnosis system operates in normal mode during
normal vehicle use. In ”normal mode”, 2 trip detection log-
ic* is used to ensure accurate detection of malfunctions.
A ”check mode”, is also available to technicians as an op-
tion. In ”check mode”, 1 trip detection logic is used for sim-
ulating malfunction symptoms and increasing the sys-
tem’s ability to detect malfunctions, including intermittent
malfunctions (hand −held tester only)
(see page 05 −557).
S*2 trip detection logic:
When a malfunction is first detected, the malfunction is
temporarily stored in the ECM memory ( 1st trip). If the
ignition switch is turned OFF and then ON again, and the
same malfunction is detected again, the CHK ENG (MIL)
will illuminate (2nd trip).

FI2547
G23403
Hand−Held Tester
DLC3
05 −554−
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U 151E)
AVENSIS Supplement (RM 1045E)
S Freeze frame data:
The freeze frame data records the engine conditions (fuel
system, calculated load, engine coolant temperature, fuel
trim, engine speed, vehicle speed, etc.) when a malfunc-
tion is detected. When troubleshooting, freeze frame data
can help determine if the vehicle was running or stopped,
if the engine was warmed up or not, if the air −fuel ratio
was lean or rich, and other data from the time the malfunc-
tion occurred.
2. DESCRIPTION for M −OBD (Except European spec.)
S When troubleshoot Multiplex OBD (M −OBD) vehicles, the
only difference from the usual troubleshooting procedure
is that you connect the hand −held tester to the vehicle,
and read the various data output from the vehicle’s ECM.
S The vehicle’s on −board computer illuminates the check
engine warning lamp (CHK ENG (MIL)) on the instrument
panel when the computer detects a malfunction in the
computer itself or in drive system components. In addi-
tion, the applicable Diagnostic Trouble Codes (DTCs) are
recorded in the ECM memory (see page 05 −564).
If the malfunction does not recur, the CHK ENG (MIL) goes off
be disappeared by turning the ignition switch to OFF, but the re-
corded DTCs remain in the ECM memory.
S To check the DTCs, connect the hand −held tester to the
Data Link Connector 3 (DLC3) on the vehicle or connect
terminals TC and CG on the DLC3(DTCs will be displayd
on the multi −information display).
S The diagnosis system operates in normal mode during
normal vehicle use. In ”normal mode”, 2 trip detection log-
ic* is used to ensure accurate detection of malfunctions.
A ”check mode”, is also available to technicians as an op-
tion. In ”check mode”, 1 trip detection logic is used for sim-
ulating malfunction symptoms and increasing the sys-
tem’s ability to detect malfunctions, including intermittent
malfunctions (hand −held tester only)
(see page 05 −558).
S*2 trip detection logic:
When a malfunction is first detected, the malfunction is
temporarily stored in the ECM memory ( 1st trip). If the
ignition switch is turned OFF and then ON again, and the
same malfunction is detected again, the CHK ENG (MIL)
will illuminate (2nd trip).