2006 TOYOTA RAV4 Service Repair Manual

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Page 1129 of 2000

TOYOTA RAV4 2006 Service Repair Manual AX–10U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
SYSTEM DESCRIPTION
1. SYSTEM DESCRIPTION
(a) The Electronic Controlled Automatic Transaxle
(ECT) is an automatic transaxle that el

Page 1130 of 2000

TOYOTA RAV4 2006 Service Repair Manual U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–11
AX
HOW TO PROCEED WITH
TROUBLESHOOTING
HINT:
• The ECM of this system is connected to the CAN and
multiplex communication system.

Page 1131 of 2000

TOYOTA RAV4 2006 Service Repair Manual AX–12U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
NEXT
(a) Refer to the ROAD TEST (see page AX-13).
Result
B
A
(a) Refer to the ELECTRONIC CIRCUIT INSPECTION
PROCEDURE (see page IN

Page 1132 of 2000

TOYOTA RAV4 2006 Service Repair Manual U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–13
AX
NG
OK
(a) Refer to the HYDRAULIC TEST (see page AX-18).
NG
OK
(a) Refer to the MANUAL SHIFTING TEST (see page AX-
19).
NG
OK
(a) Re

Page 1133 of 2000

TOYOTA RAV4 2006 Service Repair Manual AX–14U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
NEXT
NEXT
NEXT
NEXT
19CIRCUIT INSPECTION
20IDENTIFICATION OF PROBLEM
21REPAIR OR REPLACE
22CONFIRMATION TEST
END

Page 1134 of 2000

TOYOTA RAV4 2006 Service Repair Manual U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–15
AX
ROAD TEST
1. PROBLEM SYMPTOM CONFIRMATION
(a) Based on the result of the customer problem
analysis, try to reproduce the symptoms.

Page 1135 of 2000

TOYOTA RAV4 2006 Service Repair Manual AX–16U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
(4) Check kick-down operation.
While driving the vehicle in the 2nd, 3rd, 4th and
5th gears with the shift lever on D, check that

AX–16U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
(4) Check kick-down operation.
While driving the vehicle in the 2nd, 3rd, 4th and
5th gears with the shift lever on D, check that the
possible kick-down vehicle speed limits for 2

1, 3
2, 4 3 and 5 4 kick-downs conform
to those indicated in the automatic shift schedule
(see page SS-49).
(5) Check for abnormal shock and slip at kick-down.
(6) Check the lock-up mechanism.
• Drive the vehicle in the 5th gear with the shift
lever on D. Maintain a steady speed (lock-up
ON).
• Lightly depress the accelerator pedal and
check that the engine speed does not change
abruptly.
HINT:
• There is no lock-up in the 1st, 2nd and 3rd
gear.
• 4th lock-up operates while uphill-downhill
control is active with the shift lever on D.
• If there is a sudden increase in engine speed,
there is no lock-up.
(b) 4 (O/D OFF) position test:
Move the shift lever to 4 and fully depress the
accelerator pedal. Check the following:
(1) Check up-shift operation.
Check that the 1
2, 2 3 and 3 4 up-shifts
take place and that the shift point conforms to
the automatic shift schedule (see page SS-49).
HINT:
There is no 5th up-shift in the 4 position.
(2) Check engine braking.
While driving the vehicle in the 4th gear with the
shift lever on 4, release the accelerator pedal
and check the engine braking effect.
(3) Check for abnormal noise during acceleration
and deceleration, and for shock at up-shift and
down-shift.
(c) 3 position test:
Move the shift lever to 3 and fully depress the
accelerator pedal. Check the following:
(1) Check up-shift operation.
Check that the 1
2 and 2 3 up-shifts take
place and that the shift point conforms to the
automatic shift schedule (see page SS-49).
HINT:
There is no 3rd up-shift and lock-up in the 3
position.
(2) Check engine braking.
While driving the vehicle in the 3rd gear with the
shift lever on 3, release the accelerator pedal
and check the engine braking effect.

Page 1136 of 2000

TOYOTA RAV4 2006 Service Repair Manual U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–17
AX
(3) Check for abnormal noise during acceleration
and deceleration, and for shock at up-shift and
down-shift.
(d) 2 position test:

U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–17
AX
(3) Check for abnormal noise during acceleration
and deceleration, and for shock at up-shift and
down-shift.
(d) 2 position test:
Move the shift lever to 2 and fully depress the
accelerator pedal. Check the following:
(1) Check up-shift operation.
Check that the 1
2 up-shifts take place and
that the shift point conforms to the automatic
shift schedule (see page SS-49).
HINT:
There is no 3rd up-shift and lock-up when the
shift lever is on 2.
(2) Check engine braking.
While driving the vehicle in the 2nd gear with the
shift lever on 2, release the accelerator pedal
and check the engine braking effect.
(3) Check for abnormal noise during acceleration
and deceleration, and for shock at up-shift and
down-shift.
(e) L position test:
Move the shift lever to L and fully depress the
accelerator pedal. Check the following:
(1) Check no up-shift.
While driving the vehicle with the shift lever on L,
check that there is no up-shift to 2nd gear.
HINT:
There is no lock-up in L.
(2) Check engine braking.
While driving the vehicle with the shift lever on L,
release the accelerator pedal and check the
engine braking effect.
(3) Check for abnormal noises during acceleration
and deceleration.
(f) R position test:
Move the shift lever to R and lightly depress the
accelerator pedal. Check that the vehicle moves
backward without any abnormal noise or vibration.
CAUTION:
Before conducting this test, ensure that no
people or obstacles are in the test area.
(g) P position test:
Stop the vehicle on an incline (more than 5
). Then
move the shift lever to P and release the parking
brake. Check that the parking lock pawl holds the
vehicle in place.
(h) Uphill/downhill control function test:
(1) Check that the gear does not up-shift to the 4th
or 5th gear while the vehicle is driving uphill.
(2) Check that the gear automatically down-shifts
from 5
4 or from 4 3 when the brake is
applied while the vehicle is driving downhill.

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