2005 TOYOTA AVENSIS Service Repair Manual

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Page 985 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual D25466
12
12
(+)
(±)
D25467
(+) (±)
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FE))05±891
AVENSIS REPAIR MANUAL (RM1018E)
4 INSPECT SHIFT SOLENOID VALVE(SL2)
(a) Re

Page 986 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual 05±956± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FSE))
AVENSIS REPAIR MANUAL (RM1018E)
DTC P0748 PRESSURE CONTROL SOLENOID ºAº
ELECTRICAL (SHIFT SOLENOID VALVE
SL1)

05±956± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FSE))
AVENSIS REPAIR MANUAL (RM1018E)
DTC P0748 PRESSURE CONTROL SOLENOID ºAº
ELECTRICAL (SHIFT SOLENOID VALVE
SL1)
DTC P0778 PRESSURE CONTROL SOLENOID ºBº
ELECTRICAL (SHIFT SOLENOID VALVE
SL2)
DTC P0982 SHIFT SOLENOID ºDº CONTROL CIRCUIT
LOW (SHIFT SOLENOID VALVE S4)
DTC P0983 SHIFT SOLENOID ºDº CONTROL CIRCUIT
HIGH (SHIFT SOLENOID VALVE S4)
CIRCUIT DESCRIPTION
Shifting from 1st to O/D is performed in combination with ON and OFF operation of the shift solenoid valves
SL1 and SL2 which are controlled by the ECM. If an open or short circuit occurs in either of the shift solenoid
valves, the ECM controls the remaining normal shift solenoid valve to allow the vehicle to be operated
smoothly (Fail safe function).
DTC No.DTC Detection ConditionTrouble Area
P0748
ECM checks for an open or short circuit in shift solenoid valves
SL1 (1±trip detection logic)
(a) When solenoid is energized, duty ratio exceeds 75%
(b) When solenoid is not energized, duty ratio is less than 3%Open or short in shift solenoid valve SL1 circuit
Shift solenoid valve SL1
ECM
P0778
ECM checks for an open or short circuit in shift solenoid valves
SL2 (1±trip detection logic)
(a) When solenoid is energized, duty ratio exceeds 75%
(b) When solenoid is not energized, duty ratio is less than 3%Open or short in shift solenoid valve SL2 circuit
Shift solenoid valve SL2
ECM
P0982ECM detects short in solenoid valve No. 4 circuit 4 times when
solenoid valve No. 4 is operated (1±trip detection logic)Short in shift solenoid valve S4 circuit
Shift solenoid valve S4
ECM
P0983ECM detects open in solenoid valve No. 4 circuit 4 times when
solenoid valve No. 4 is not operated (1±trip detection logic)Open in shift solenoid valve S4 circuit
Shift solenoid valve S4
ECM
HINT:
Check the shift solenoid valve SL1 when DTC P0748 is output, check the shift solenoid valve SL2 when DTC
P0778 is output and check the shift solenoid valve S4 when DTC P0982 and P0983 is output.
05C9E±01

Page 987 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual NORMAL
S4
SL1SL2 Solenoid Valve
Gear
ON
OFFONOFF
ON
OFF
OFF OFF
OFFON1st
2nd
3rd
O/DSHIFT SOLENOID SL1
MALFUNCTIONING
S4
SL1 SL2Solenoid Valve
Gear
X
X
X
XON
ON
OFF
ON
OFF
ONOFF
OFF
OFF
ON
ON2nd
2nd
3

Page 988 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual D26538
E1
ECT Solenoid
ECM
17
SL2+ E12 R
4 Y
16
SL2± E12
19
SL1+ E12
18
SL1± E12
10
S4 E12 R±B
Y
Y±B
L 9
5
10
8 SL2+
SL2±
SL1+
SL1±
S4 BR
W
B
R 05±958
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMA

Page 989 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual D25234
SL1+
SL1± SL2±SL2+
S4
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FSE))05±959
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
1 INSPECT TRANSMISSION WIRE

Page 990 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual C91565
E1
S4
SL1±
SL2+ SL1+
SL2±
D25466
12
12
(+)
(±)
05±960± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FSE))
AVENSIS REPAIR MANUAL (RM1018E)
2 CHECK HARNESS

Page 991 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual D25466
12
12
(+)
(±)
D25467
(+) (±)
± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FSE))05±961
AVENSIS REPAIR MANUAL (RM1018E)
4 INSPECT SHIFT SOLENOID VALVE(SL2)
(a) R

Page 992 of 5135

TOYOTA AVENSIS 2005 Service Repair Manual D25466
12
12
(+)
(±)
05±954± DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E(1AZ±FSE))
AVENSIS REPAIR MANUAL (RM1018E)
DTC P0746 PRESSURE CONTROL SOLENOID ºAº
PERFORMANCE (SH

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