Lexus ES300 (2002 year). Manual — part 326
C93266
E1
E2
SL1+
SL1-
SL2-
SL2+
SL3-
SL3+
E2
-
DIAGNOSTICS
ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT]
05-423
576
2002 LEXUS ES300 REPAIR MANUAL (RM911U)
INSPECTION PROCEDURE
1
PERFORM ACTIVE TEST BY OBD II SCAN TOOL OR HAND-HELD TESTER
(a)
Warm up the engine.
(b)
Turn the ignition switch OFF.
(c)
Connect the OBD II scan tool or Hand-held tester to the DLC3.
(d)
Turn the ignition switch ON and push the OBD II scan tool or Hand-held tester main SW ON.
(e)
Select the item ”SHIFT” in the ACTIVE TEST and operate the shift solenoid valves on the OBD II scan
tool or Hand-held tester.
NOTICE:
The values given below for ”Normal Condition” are representative values, so a vehicle may still be
normal even if its value differs from those listed here. Do not depend solely on the ”Normal Condi-
tion” here when deciding whether or not the part is faulty.
Item
Test Details
Diagnostic 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 (31 mph)
[Others]
Press
→
button: Shift up
Press
←
button: Shift down
Possible to check the operation of
the shift solenoid values.
OK
CHECK AND REPLACE ECM(See age
)
NG
2
INSPECT TRANSMISSION WIRE(SL1/SL2/SL3)
(a)
Disconnect the 2 transmission wire connectors from the
transaxle.
(b)
Measure the resistance between terminals SL1+ and
SL1-.
OK:
Resistance: 5.0 - 5.6
Ω
at 20
C (68
F)
NG(A)
(c)
Measure the resistance between terminals SL2+ and
SL2-.
OK:
Resistance: 5.0 - 5.6
Ω
at 20
C (68
F)
NG(B)
(d)
Measure the resistance between terminals SL3+ and
SL3-.
OK:
Resistance: 5.0 - 5.6
Ω
at 20
C (68
F)
NG(C)
OK
C93266
E2
E1
E2
S4
SR
C82158
C91565
E1
S4
SL1-
SL2+
SL1+
SL2-
SL3+
SL3-
SR
05-424
-
DIAGNOSTICS
ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT]
577
2002 LEXUS ES300 REPAIR MANUAL (RM911U)
3
INSPECT TRANSMISSION WIRE(S4/SR)
(a)
Measure resistance between terminal S4 and body
ground.
OK:
Resistance: 11 - 15
Ω
at 20
C (68
F)
NG(A)
(b)
Measure resistance between terminal SR and body
ground.
OK:
Resistance: 11 - 15
Ω
at 20
C (68
F)
NG(B)
OK
4
CHECK HARNESS AND CONNECTOR(TRANSMISSION WIRE-ECM)
(a)
Connect the 2 transmission connectors to the transaxle.
(b)
Disconnect the connector from the ECM.
(c)
Measure the resistance between terminals.
OK:
Resistance:
SL1+ - SL1-: 5.0 - 5.6
Ω
at 20
C (68
F)
SL2+ - SL2-: 5.0 - 5.6
Ω
at 20
C (68
F)
SL3+ - SL3-: 5.0 - 5.6
Ω
at 20
C (68
F)
S4 - E1: 11 - 15
Ω
at 20
C (68
F)
SR - E1: 11 - 15
Ω
at 20
C (68
F)
NG
REPAIR OR REPLACE HARNESS OR
CONNECTOR(See page
)
OK
CHECK AND REPLACE ECM(See page
)
D25466
1
2
1
2
(+)
(-)
-
DIAGNOSTICS
ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT]
05-425
578
2002 LEXUS ES300 REPAIR MANUAL (RM911U)
5
INSPECT SHIFT SOLENOID VALVE SL1
(a)
Remove the shift solenoid valve SL1.
(b)
Measure the resistance between terminals.
OK:
Resistance: 5.0 - 5.6
Ω
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 valve.
OK:
The solenoid makes an operating noise.
NG
REPLACE SHIFT SOLENOID VALVE SL1
OK
REPAIR OR REPLACE TRANSMISSION WIRE(See page
D25466
1
2
1
2
(+)
(-)
05-426
-
DIAGNOSTICS
ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT]
579
2002 LEXUS ES300 REPAIR MANUAL (RM911U)
6
INSPECT SHIFT SOLENOID VALVE SL2
(a)
Remove the shift solenoid valve SL2.
(b)
Measure the resistance between terminals.
OK:
Resistance: 5.0 - 5.6
Ω
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 valve.
OK:
The solenoid makes an operating noise.
NG
REPLACE SHIFT SOLENOID VALVE SL2
OK
REPAIR OR REPLACE TRANSMISSION WIRE(See page
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст