Lexus ES300 (2002 year). Manual — part 339
-
DIAGNOSTICS
ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT]
05-407
560
2002 LEXUS ES300 REPAIR MANUAL (RM911U)
2.
Chapter 2: On-Vehicle Repair
(
: U150E AUTOMATIC TRANSAXLE Repair Manual Pub. No. RM913U)
Symptom
Suspect Area
See page
Vehicle does not move in any forward position and reverse posi-
tions
1. Valve body assy
2. Off-vehicle repair matrix chart
-
Vehicle does not move in R position
1. Valve body assy
2. Off-vehicle repair matrix chart
-
No up-shift (1st
→
2nd)
1. Valve body assy
2. Off-vehicle repair matrix chart
-
No up-shift (2nd
→
3rd)
1. Valve body assy
2. Off-vehicle repair matrix chart
-
No up-shift (3rd
→
4th)
1. Valve body assy
2. Off-vehicle repair matrix chart
-
No up-shift (4th
→
5th)
1. Valve body assy
2. Off-vehicle repair matrix chart
-
No down-shift (5th
→
4th)
1. Valve body assy
2. Off-vehicle repair matrix chart
-
No down-shift (4th
→
3rd)
1. Valve body assy
2. Off-vehicle repair matrix chart
-
No down-shift (3rd
→
2nd)
1. Valve body assy
2. Off-vehicle repair matrix chart
-
No down-shift (2nd
→
1st)
1. Valve body assy
2. Off-vehicle repair matrix chart
-
No lock-up or No lock-up off
1. Valve body assy
2. Off-vehicle repair matrix chart
-
Harsh engagement (N
→
D)
1. Valve body assy
2. C
1
accumulator
3. Off-vehicle repair matrix chart
-
Harsh engagement (Lock-up)
1. Valve body assy
2. Off-vehicle repair matrix chart
-
Harsh engagement (N
→
R)
1. Valve body assy
2. C
2
accumulator
3. Off-vehicle repair matrix chart
-
Harsh engagement (1st
→
2nd
→
3rd
→
4th
→
5th)
Valve body assy
Harsh engagement (1st
→
2nd)
1. Valve body assy
2. Off-vehicle repair matrix chart
-
Harsh engagement (2nd
→
3rd)
1. Valve body assy
2. C
0
accumulator
3. Off-vehicle repair matrix chart
-
Harsh engagement (3rd
→
4th)
1. Valve body assy
2. Off-vehicle repair matrix chart
-
Harsh engagement (4th
→
5th)
1. Valve body assy
2. C
3
accumulator
3. Off-vehicle repair matrix chart
-
Harsh engagement (5th
→
4th)
1. Valve body assy
3. B
3
accumulator
4. Off-vehicle repair matrix chart
-
Slip or shudder (Forward and reverse)
1. Valve body assy
2. Oil strainer
3. Off-vehicle repair matrix chart
-
05-408
-
DIAGNOSTICS
ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT]
561
2002 LEXUS ES300 REPAIR MANUAL (RM911U)
No engine braking (1st: L position)
1. Valve body assy
2. Off-vehicle repair matrix chart
-
No engine braking (2nd: 2 position)
1. Valve body assy
2. Off-vehicle repair matrix chart
-
No kick-down
Valve body assy
-
DIAGNOSTICS
ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT]
05-409
562
2002 LEXUS ES300 REPAIR MANUAL (RM911U)
3.
Chapter 3: Off-Vehicle Repair
(
: U150E AUTOMATIC TRANSAXLE Repair Manual Pub. No. RM913U)
Symptom
Suspect Area
See page
Vehicle does not move in any forward position and reverse posi-
tions
1. U/D brake (B
3
)
2. Torque converter clutch
Vehicle does not move in R position
1. Reverse clutch (C
2
)
2. 1st & reverse brake (B
2
)
No up-shift (1st
→
2nd)
2nd & O/D brake (B
1
)
No up-shift (2nd
→
3rd)
Direct and O/D clutch (C
0
)
No up-shift (3rd
→
4th)
2nd & O/D brake (B
1
)
No up-shift (4th
→
5th)
U/D clutch (C
3
)
No lock-up or No lock-up off
Torque converter clutch
Harsh engagement (N
→
D)
1. Forward clutch (C
1
)
2. One-way clutch No.1 (F
1
)
3. U/D one-way clutch (F
2
)
Harsh engagement (N
→
R)
1. Reverse clutch (C
2
)
2. 1st & reverse brake (B
2
)
Harsh engagement (1
→
2)
2nd & O/D brake (B
1
)
Harsh engagement (2
→
3)
Direct and O/D clutch (C
0
)
Harsh engagement (3
→
4)
2nd & O/D brake (B
1
)
Harsh engagement (4
→
5th)
U/D clutch (C
3
)
Harsh engagement (Lock-up)
Torque converter clutch
Slip or shudder (Forward and reverse: After warm-up)
1. Direct and O/D clutch (C
0
)
2. Forward clutch (C
1
)
3. U/D clutch (C
3
)
4. 2nd & O/D brake (B
1
)
5. U/D brake (B
3
)
6. One-way clutch No.1 (F
1
)
7. U/D one-way clutch (F
2
)
8. Torque converter clutch
Slip or shudder (Particular position: Just after engine starts)
Torque converter clutch
Slip or shudder (R position)
1. Reverse clutch (C
2
)
2. 1st & reverse brake (B
2
)
Slip or shudder (1st)
1. Forward clutch (C
1
)
2. One-way clutch No.1 (F
1
)
3. U/D one-way clutch (F
2
)
Slip or shudder (2nd)
2nd & O/D brake (B
1
)
Slip or shudder (3rd)
Direct and O/D clutch (C
0
)
Slip or shudder (4th)
2nd & O/D brake (B
1
)
Slip or shudder (5th)
U/D clutch (C
3
)
No engine braking (1st
−
4th: D position)
U/D brake (B
3
)
No engine braking (1st: L position)
1st & reverse brake (B
2
)
No engine braking (2nd: 2 position)
2nd & O/D brake (B
1
)
No engine braking (3rd: 3 position)
U/D brake (B
3
)
Poor acceleration (All positions)
Torque converter clutch
Poor acceleration (5th)
1. U/D clutch (C
3
)
2. U/D planetary gear unit
Engine stalls when starting off or stopping
Torque converter clutch
C93631
THO
E2
BR
E10
28
30
G
4
Electronically Controlled
Transmission Solenoid
E10
E2
E1
1
E1
THO
BR-W
ECM
05-410
-
DIAGNOSTICS
ELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT]
563
2002 LEXUS ES300 REPAIR MANUAL (RM911U)
DTC
P0710
TRANSMISSION FLUID TEMP. SENSOR
MALFUNCTION
DTC
P0711
TRANSMISSION FLUID TEMP. CIRCUIT
RANGE/PERFORMANCE PROBLEM
CIRCUIT DESCRIPTION
The ATF temperature sensor converts the fluid temperature into a resistance value which is input into the
ECM.
DTC No.
DTC Detection Condition
Trouble Area
P0710
Either (a) or (b) is detected for 0.5 sec. or more:
(1 trip detection logic)
(c) Temp. sensor resistance is less than 79
Ω
(d) After engine has been operating for 15 min. or
more, resistance at temp. sensor is more than 156 k
Ω
Open or short in ATF temp. sensor circuit
ATF temp. sensor
ECM
P0711
Both (a) and (b) are detected: (2 trip detection logic)
(a) After 12 sec. of engine start, temp. of atmosphere and that
of engine coolant is more than -10
°
C
(b) After normal driving for over 20 min. and 10 km, ATF temp.
is less than 10
°
C
Open in ATF temp. sensor circuit
ATF temp. sensor
ECM
WIRING DIAGRAM
0527N-04
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