2001 TOYOTA SEQUOIA clutch

DI±2382
± DIAGNOSTICSAIR CONDITIONING SYSTEM
2576 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Read value of hand±held tester.
PREPARATION:
(a) Connect the hand±held tester to the DLC3.
(b) Turn the ignition switch ON and push the hand±held tester main SW ON.
CHECK:
Select the item below in the DATA LIST, and read the displays on the hand±held tester.
ENGINE AND ECT / ALL:
ItemMeasurement Item / Display
(Range)Normal ConditionDiagnostic Note
A/C SIGA/C signal / ON or OFF
A/C SW Pushed: ON

A/C SW Released: OFF±
HINT:
Check with the engine running.
OK:
The display is as specified in the normal condition.
NG Go to step 8.
OK
2 Read value of hand±held tester.
PREPARATION:
(a) Connect the hand±held tester to the DLC3.
(b) Turn the ignition switch ON and push the hand±held tester main SW ON.
CHECK:
Select the item below in the DATA LIST, and read the displays on the hand±held tester.
ENGINE AND ECT / ALL:
ItemMeasurement Item / Display
(Range)Normal ConditionDiagnostic Note
A/C MAG CLUTCHA/C magnet clutch / ON or OFF
A/C SW ON: ON

A/C SW OFF: OFF±
HINT:
Check with the engine running.
OK:
The display is as specified in the normal condition.
NG Replace ECM (See page SF±80).
OK

± DIAGNOSTICSAIR CONDITIONING SYSTEM
DI±2383
2577 Author: Date:
2005 SEQUOIA (RM1146U)
3 Perform active test by hand±held tester.
PREPARATION:
(a) Connect the hand±held tester to the DLC3.
(b) Turn the ignition switch ON and push the hand±held tester main SW ON.
CHECK:
Select the item below in the DATA LIST, and read the displays on the hand±held tester.
AIR CONDITIONING:
ItemTest Details / Display (Range)Diagnostic Note
A/C MAG CLUTCHMagnet clutch relay / OFF, ONOperating sound can be heard
HINT:
Check with the engine running.
OK:
The operation sound of the MG CLT relay can be heard.
NG Go to step 5.
OK
4 Check harness and connector between integration control and panel (ACT termi-
nal) and ECM (ACT terminal) (See page IN±35).
NG Repair or replace harness or connector.
OK
Proceed to next circuit inspection shown in problem symptoms table (See page DI±2304).

Z18060
15 2
3
12 3 5
I21361
3
DI±2384
± DIAGNOSTICSAIR CONDITIONING SYSTEM
2578 Author: Date:
2005 SEQUOIA (RM1146U)
5 Check magnetic clutch relay.
PREPARATION:
Remove the magnetic clutch relay from the engine room J/B.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester connectionConditionSpecified condition
3 ± 5Always10 kW or higher
3 ± 5
Voltage is applied
between terminals
1 and 2Below 1W (Battery
voltage is applied between
terminals 1 and 2)
NG Replace magnetic clutch relay.
OK
6 Check A/C magnetic clutch.
PREPARATION:
Disconnect the magnetic clutch connector.
CHECK:
Connect the positive (+) battery lead to the magnetic clutch con-
nector terminal 3.
OK:
Magnetic clutch is energized.
NG Replace A/C magnetic clutch.
OK
7 Check harness and connector between integration control and panel (MGC ter-
minal) and body ground (See page IN±35).
NG Repair or replace harness or connector.
OK
Replace integration control and panel.

I28847
AC1 Integration Control and Panel
I22
± DIAGNOSTICSAIR CONDITIONING SYSTEM
DI±2385
2579 Author: Date:
2005 SEQUOIA (RM1146U)
8 Check harness and connector between integration control and panel (AC1 termi-
nal) and ECM (AC1 terminal) (See page IN±35).
NG Repair or replace harness or connector.
OK
9 Check voltage between terminal AC1 of integration control and panel connector
and body ground.
PREPARATION:
(a) Disconnect the connector from the ECM.
(b) Remove the integration control and panel with the con-
nectors still connected.
(c) Start the engine and push the AUTO switch.
CHECK:
Measure the voltage between terminal AC1 of the integration
control and panel connector and body ground when the mag-
netic clutch is turned ON and OFF by the A/C switch.
OK:
Switch operationTester connectionSpecified condition
ONAC1 ± Body ground1.3 to 2.6 V
OFFAC1 ± Body ground3.7 to 4.5 V
NG Replace integration control and panel.
OK
Replace ECM (See page SF±80).

A17676
Oil Cooler Pipe for Transmission
Oil Dipstick and Guide
for Transmission
Engine Unit Assembly
Front Spacer
Flywheel Housing Under CoverRear Spacer
Drive Plate  O±Ring
48 (490, 35)
x 8
x 6
N´m (kgf´cm, ft´lbf) : Specified torque
 Non±reusable part

Precoated part


Clamp
Stay
StayStay
See page EM±83
1st 49 (500, 36)
2nd Turn 90°
Transmission
(with Torque
Converter Clutch)
x 10
37 (380, 27) for 14 mm Head
72 (730, 53) for 17 mm Head
Connector
Connector
Connector
18 (183, 13)
EM±78
± ENGINE MECHANICALENGINE UNIT (2WD)
2657 Author: Date:
2005 SEQUOIA (RM1146U)

A15637
A08900
A08901
A04857
EM±82
± ENGINE MECHANICALENGINE UNIT (2WD)
2661 Author: Date:
2005 SEQUOIA (RM1146U)
(b) Loosen the 2 union nuts, and remove the 2 oil cooler
pipes.
25. REMOVE TORQUE CONVERTER CLUTCH BOLTS
(a) Remove the bolt and flywheel housing under cover.
(b) Turn the crankshaft pulley bolt to gain access to each bolt.
(c) Hold the crankshaft pulley bolt with a wrench, and remove
the 6 bolts.
26. REMOVE TRANSMISSION
(a) Remove the 10 bolts.
(b) Remove the transmission together with the torque con-
verter clutch from the engine.
27. REMOVE DRIVE PLATE
Remove the 8 bolts, front spacer, drive plate and rear spacer.

EM121±07
A04869
Adhesive
A04857
1
2
3
47
6
8
5
A05137
Painted
Mark
90°
90°
A08901
± ENGINE MECHANICALENGINE UNIT (2WD)
EM±83
2662 Author: Date:
2005 SEQUOIA (RM1146U)
INSTALLATION
1. INSTALL DRIVE PLATE
HINT:

The mounting bolts are tightened in 2 progressive steps
(steps (c) and (e)).

If any one of the mounting bolts is broken or deformed, re-
place it.
(a) Apply adhesive to 2 or 3 threads of the mounting bolt end.
Adhesive:
Part No. 08833±00070, THREE BOND 1324 or equiva-
lent
(b) Install the front spacer, drive plate and rear spacer on the
crankshaft.
(c) Install and uniformly tighten the 8 mounting bolts in sever-
al passes, in the sequence shown.
Torque: 49 N´m (500 kgf´cm, 36 ft´lbf)
If any one of the mounting bolts does not meet the torque speci-
fication, replace the mounting bolt.
(d) Mark the mounting bolt with paint.
(e) Retighten the mounting bolts by 90° in the numerical or-
der shown.
(f) Check that the painted mark is now at a 90° angle to (e).
2. INSTALL TRANSMISSION TO ENGINE
(a) Check the torque converter clutch installation.
(See page AT±29)
(b) Attach the transmission to the engine.
(c) Install the 10 bolts.
Torque:
37 N´m (380 kgf´cm, 27 ft´lbf) for 14 mm head
72 N´m (730 kgf´cm, 53 ft´lbf) for 17 mm head

P18747
Adhesive
A08900
A15637
A08931
Lower
Up EM±84
± ENGINE MECHANICALENGINE UNIT (2WD)
2663 Author: Date:
2005 SEQUOIA (RM1146U)
3. INSTALL TORQUE CONVERTER CLUTCH BOLTS
(a) Apply adhesive to 2 or 3 threads of the bolt end.
Adhesive:
Part No. 08833±00070, THREE BOND 1324 or equiva-
lent
(b) Hold the crankshaft pulley bolt with a wrench, and install
the 6 bolts evenly.
Torque: 48 N´m (490 kgf´cm, 35 ft´lbf)
HINT:
First install the black colored bolt, install the other bolts.
(c) Install the flywheel housing under cover with the bolt.
Torque: 18 N´m (185 kgf´cm, 13 ft´lbf)
4. INSTALL OIL COOLER PIPE FOR TRANSMISSION
5. INSTALL OIL DIPSTICK GUIDE AND DIPSTICK FOR
TRANSMISSION
(a) Install a new O±ring to the dipstick guide.
(b) Apply soapy water to the O±ring.
(c) Connect the dipstick guide end to the dipstick tube of the
oil pan.
(d) Install the dipstick guide with the bolt.
(e) Install the dipstick.
(f) Connect the 2 breather hoses to the dipstick guide.
6. CONNECT ENGINE WIRE TO TRANSMISSION
(a) Connect the 5 connectors.
(b) Connect the 2 wire clamps.
7. INSTALL ENGINE AND TRANSMISSION ASSEMBLY
IN VEHICLE
(a) Attach the engine chain hoist to the engine hangers.
(b) Slowly lower the engine and transmission assembly into
the engine compartment.
(c) Attach the engine mounting brackets to the frame brack-
ets.