2005 TOYOTA AVENSIS manual transmission

C54864
THOE2
05±900±
DIAGNOSTICS ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT](U241E(1AZ±FE))
AVENSIS REPAIR MANUAL (RM1018E)
TRANSMISSION FLUID TEMPERATURE SENSOR NO.2 CIRCUIT
CIRCUIT DESCRIPTION
The ATF temperature sensor converts the fluid temperature into a resistance v\
alue which is input into the
ECM.
WIRING DIAGRAM
See page 05±882.
INSPECTION PROCEDURE
1 INSPECT TRANSMISSION WIRE(ATF TEMPERATURE SENSOR)
(a) Disconnect the transmission wire connector from the transaxle.
(b) Measure the resistance between terminals THO and E2. OK:
Temperature:
C (
F)Resistance: k

10 (50)6.4
110 (230)0.2
(c) Check the continuity between the wire harness side con-
nectors.
OK:
Standard (Check for a short):
SymbolsSpecified condition
THO ± Body groundNo continuityE2 ± Body groundNo continuity
NG REPAIR OR REPLACE TRANSMISSION WIRE
OK
05C8Z±01

C95813THOE2
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FE))05±901
AVENSIS REPAIR MANUAL (RM1018E)
2 CHECK HARNESS AND CONNECTOR(TRANSMISSION WIRE ± ECM)
(a) Connect the transmission wire connector to the transaxle.
(b) Disconnect the ECM connector.
(c) Measure the resistance between terminals THO and E2.
OK:
Temperature:
C (
F)Resistance: k

10 (50)6.4
110 (230)0.2
(d) Check the continuity between the wire harness side con-
nectors.
OK:
Standard (Check for a short):
SymbolsSpecified condition
THO ± Body groundNo continuityE2 ± Body groundNo continuity
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
CHECK AND REPLACE ECM

C54864
DSL
C95812DSL E1
05±898± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FE))
AVENSIS REPAIR MANUAL (RM1018E)
1 INSPECT TRANSMISSION WIRE(DSL)
(a) Disconnect the transmission wire connector from the
transaxle.
(b) Measure the resistance between terminal DSL of the
transmission wire connector and body ground.
OK:
Resistance: 11 to 13 at 20
C (68
F)
NG Go to step 3
OK
2 CHECK HARNESS AND CONNECTOR(TRANSMISSION WIRE ± ECM)
(a) Connect the transmission wire connector to the transaxle.
(b) Disconnect the ECM connector.
(c) Measure the resistance between terminals DSL and E1
of the ECM connector.
OK:
Resistance: 11 to 13 at 20
C (68
F)
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
CHECK AND REPLACE ECM




D03728
(+)
(±)
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FE))05±899
AVENSIS REPAIR MANUAL (RM1018E)
3 INSPECT SHIFT SOLENOID VALVE(DSL)
(a) Remove the shift solenoid valve DSL.
(b) Measure the resistance between terminal DSL of shift so-
lenoid valve DSL and the solenoid body.
OK:
Resistance: 11 to 13
at 20
C (68
F)
(c) Connect the positive (+) lead to the terminal of solenoid
connector and the negative (±) lead to the solenoid body.
OK:
The solenoid valve makes an operating noise.
NG REPLACE SHIFT SOLENOID VALVE(DSL)
OK
REPAIR OR REPLACE TRANSMISSION WIRE

D26542
E1
ECT SolenoidECM
17
SLT+ E13 P±L
2 O
16
SLT± E13 P
7 SLT+
SLT± G
D25234
SLT+
SLT±
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FE))05±895
AVENSIS REPAIR MANUAL (RM1018E)
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT TRANSMISSION WIRE(SLT)
(a) Disconnect the transmission wire connector from the
transaxle.
(b) Measure the resistance between terminals SLT+ and
SLT± of the transmission wire connector.
OK:
Resistance: 5.0 to 5.6 at 20
C (68
F)
(c) Measure the resistance between body ground and that
SLT+ as well as SLT± of the transmission wire connector.
OK:
Resistance: 1M or higher
NG Go to step 3
OK

C95813SLT+
SLT±
D25466
12
12
(+)
(±)
05±896± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FE))
AVENSIS REPAIR MANUAL (RM1018E)
2 CHECK HARNESS AND CONNECTOR(TRANSMISSION WIRE ± ECM)
(a) Connect the transmission wire connector to the transaxle.
(b) Disconnect the ECM connector.
(c) Measure the resistance between terminals SLT+ and
SLT± of the ECM connector.
OK:
Resistance: 5.0 to 5.6
at 20
C (68
F)
(d) Measure the resistance between body ground and that
SLT+ as well as SLT± of the ECM connector.
OK:
Resistance: 1M
or higher
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
CHECK AND REPLACE ECM
3 INSPECT SHIFT SOLENOID VALVE(SLT)
(a) Remove the shift solenoid valve SLT.
(b) Measure the resistance between terminals of the shift so-
lenoid valve SLT.
OK:
Resistance: 5.0 to 5.6
at 20
C (68
F)
(c) Connect the positive (+) lead with a 21 W bulb to terminal
2 and the negative (±) lead to terminal 1 of the solenoid
valve connector, then check the movement of the sole-
noid valve.
OK:
The solenoid valve makes an operating noise.
NG REPLACE SHIFT SOLENOID VALVE(SLT)
OK
REPAIR OR REPLACE TRANSMISSION WIRE

D25234
SL1+
SL1± SL2±SL2+
S4
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FE))05±889
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
1 INSPECT TRANSMISSION WIRE(SL1/SL2/S4)
(a) Disconnect the transmission wire connector from the
transaxle.
(b) Measure the resistance between terminals SLT1+ and
SL1± of the transmission wire connector.
OK:
Resistance: 5.0 to 5.6
at 20
C (68
F)
(c) Measure the resistance between body ground and that
SL1+ as well as SL1± of the transmission wire connector.
OK:
Resistance: 1M
or higher
NG Go to step 3
(d) Measure the resistance between terminals SL2+ and
SL2±.
OK:
Resistance: 5.1 to 5.5
at 20
C (68
F)
(e) Measure the resistance between body ground and that
SL2+ as well as SL2± of the transmission wire connector.
OK:
Resistance: 1M
or higher
NG Go to step 4
(f) Measure the resistance between terminal S4 of the trans-
mission wire connector and body ground.
OK:
Resistance: 11 to 15
at 20
C (68
F)
NG Go to step 5
OK

C95812
E1
S4
SL1±
SL2+ SL1+
SL2±
D25466
12
12
(+)
(±)
05±890± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FE))
AVENSIS REPAIR MANUAL (RM1018E)
2 CHECK HARNESS AND CONNECTOR(TRANSMISSION WIRE ± ECM)
(a) Connect the transmission wire connector to the transaxle.
(b) Disconnect the connector from the ECM.
(c) Measure the resistance between terminals.
OK:
Resistance:
SL1+ ± SL1±: 5.0 to 5.6
at 20
C (68
F)
SL2+ ± SL2±: 5.1 to 5.5
at 20
C (68
F)
S4 ± E1: 11 to 15
at 20
C (68
F)
(d) Measure the resistance between terminals SL1+, SL1±,
SL2+ and SL2± of the ECM connector and body ground.
OK:
Resistance: 1M
or higher
NG REPAIR OR REPLACE HARNESS OR
CONNECTOR
OK
CHECK AND REPLACE ECM
3 INSPECT SHIFT SOLENOID VALVE(SL1)
(a) Remove the shift solenoid valve SL1.
(b) Measure the resistance between terminals of the shift so-
lenoid valve SL1.
OK:
Resistance: 5.0 to 5.6
at 20
C (68
F)
(c) Connect the positive (+) lead with a 21 W bulb to terminal
2 and the negative (±) lead to terminal 1 of the solenoid
valve connector, then check the movement of the sole-
noid valve.
OK:
The solenoid valve makes an operating noise.
NG REPLACE SHIFT SOLENOID VALVE(SL1)
OK
REPAIR OR REPLACE TRANSMISSION WIRE