removal TOYOTA SIENNA 2007 Service Owner's Manual

SE–98SEAT – REAR NO. 2 SEAT ASSEMBLY (for Power Seat Type LH Side)
SE
REMOVAL
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
2. REMOVE REAR NO. 2 SEAT LEG SIDE GARNISH
SUB-ASSEMBLY
(a) Disengage the 9 clips and remove the rear No. 2
seat leg side garnish sub-assembly.
(b) Remove the 9 clips from the rear No. 2 seat leg side
garnish sub-assembly.
3. REMOVE REAR SEAT LEG SIDE GARNISH SUB-
ASSEMBLY
(a) Disengage the 4 clips and remove the rear seat leg
side garnish sub-assembly.
(b) Remove the 4 clips from the rear seat leg side
garnish sub-assembly.
4. REMOVE NO. 2 SEAT HINGE COVER
(a) Disengage the 8 claws and remove both No. 2 seat
hinge covers.
5. REMOVE REAR NO. 2 SEAT ASSEMBLY
(a) Disconnect the connector.
(b) Remove the 8 bolts.
B126835
B126836
B126837
B126838

2GR-FE ENGINE CONTROL SYSTEM – CAMSHAFT TIMING OIL CONTROL VALVE
ASSEMBLYES–487
ES
REMOVAL
1. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY
HINT:
(See page WW-4)
2. REMOVE FRONT OUTER COWL TOP PANEL SUB-
ASSEMBLY (See page EM-27)
3. DRAIN ENGINE COOLANT (See page CO-6)
4. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
5. REMOVE NO. 2 AIR CLEANER INLET (See page EM-
28)
6. REMOVE NO. 1 AIR CLEANER INLET (See page EM-
28)
7. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (See
page ES-493)
8. REMOVE AIR CLEANER CASE SUB-ASSEMBLY (See
page EM-28)
9. REMOVE INTAKE AIR SURGE TANK ASSEMBLY
(See page ES-521)
10. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE
ASSEMBLY (for Bank 1 Exhaust Side)
(a) Disconnect the camshaft timing oil control valve
assembly connector.
(b) Remove the bolt and camshaft timing oil control
valve assembly.
(c) Remove the O-ring from the camshaft timing oil
control valve.
11. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE
ASSEMBLY (for Bank 1 Intake Side)
(a) Disconnect the camshaft timing oil control valve
assembly connector.
(b) Remove the bolt and camshaft timing oil control
valve assembly.
(c) Remove the O-ring from the camshaft timing oil
control valve.
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A135697

ES–4942GR-FE ENGINE CONTROL SYSTEM – THROTTLE BODY
ES
REMOVAL
1. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY
HINT:
(See page WW-4)
2. REMOVE FRONT OUTER COWL TOP PANEL SUB-
ASSEMBLY (See page EM-27)
3. DRAIN ENGINE COOLANT (See page CO-6)
4. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
5. REMOVE NO. 2 AIR CLEANER INLET (See page EM-
28)
6. REMOVE NO. 1 AIR CLEANER INLET (See page EM-
28)
7. REMOVE AIR CLEANER CAP SUB-ASSEMBLY
(a) Disconnect the 3 vacuum hoses.
(b) Remove the No. 2 ventilation hose and air cleaner
hose band.
(c) Disconnect the vacuum hose (EVAP) from the air
cleaner hose.
(d) Disconnect the mass air flow meter connector.
(e) Remove the 2 bolts and air cleaner cap sub-
assembly.
8. REMOVE AIR CLEANER CASE SUB-ASSEMBLY (See
page EM-28)
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A135113E01
A135114

ES–4982GR-FE ENGINE CONTROL SYSTEM – ECM
ES
REMOVAL
1. REMOVE GLOVE COMPARTMENT DOOR
ASSEMBLY
(a) Push the right side wall and then push the left wall
to release the stoppers.
(b) Pull the glove compartment door sub-assembly
rearward to remove it.
2. REMOVE NO. 2 INSTRUMENT PANEL BOX
(a) Disengage the 2 claws and 4 clips, and remove the
No. 2 instrument panel box.
3. REMOVE ECM
(a) Disconnect the 5 ECM connectors.
(b) Remove the 2 nuts and ECM.
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B066074
B066075E01
A162672

ES–5022GR-FE ENGINE CONTROL SYSTEM – ACCELERATOR PEDAL ROD
ES
ON-VEHICLE INSPECTION
1. CHECK ACCELERATOR PEDAL ROD
(a) Check the voltage.
(1) Connect the intelligent tester to the DLC3.
(2) Turn the ignition switch to the ON position.
(3) Turn the intelligent tester on.
(4) Select the menu items: DIAGNOSIS /
ENHANCED OBD II / DATA LIST / ALL /
ACCEL POS #1, ACCEL POS #2.
(5) Operate the accelerator pedal, and then check
that the ACCEL POS #1 and ACCEL POS #2
values are within the specifications.
Standard voltage (ACCEL POS #1)
Standard voltage (ACCEL POS #2)
If the result is not as specified, check the
accelerator pedal rod, wire harness or ECM.
REMOVAL
1. REMOVE ACCELERATOR PEDAL ROD
(a) Disconnect the accelerator pedal position sensor
connector.
(b) Remove the 2 nuts and accelerator pedal rod.
E144486E01Accelerator Pedal Condition Specified Condition
Released 0.5 to 1.1 V
Depressed 2.5 to 4.5 V
Accelerator Pedal Condition Specified Condition
Released 1.2 to 2.0 V
Depressed 3.4 to 5.0 V
A135111

ES–5042GR-FE ENGINE CONTROL SYSTEM – MASS AIR FLOW METER
ES
ON-VEHICLE INSPECTION
1. INSPECT MASS AIR FLOW METER
NOTICE:
• Perform the mass air flow (MAF) meter inspection
by following the procedures below.
• Only replace the MAF meter when the MAF value
in the DATA LIST (with the engine stopped) are
not within the normal operating range or there is
foreign matter on the MAF meter platinum hot
wire (heater).
(a) Read the values using the intelligent tester (MAF).
NOTICE:
• Perform the inspection with the vehicle
indoors and on a level surface.
• Perform the inspection of the MAF meter
while it is installed to the air cleaner case
(installed to the vehicle).
• During the test, do not use the exhaust air
duct to perform suction on the exhaust pipe.
(1) Turn the ignition switch to the ON position (do
not start the engine).
(2) Turn the tester on.
(3) Select the following menu items: DIAGNOSIS /
ENHANCED OBD II / DATA LIST / PRIMARY /
PRIMARY / MAF.
(4) Wait 30 seconds, and read the values on the
intelligent tester.
Standard condition:
Less than 0.70 g/s
• If the result is not as specified, replace the
MAF meter.
• If the result is within the specified range,
inspect the cause of the extremely rich or
lean air fuel ratio.
REMOVAL
1. REMOVE MASS AIR FLOW METER
(a) Disconnect the mass air flow meter connector.
(b) Remove the 2 screws and mass air flow meter.
E144486E01
A162194

ES–5102GR-FE ENGINE CONTROL SYSTEM – VVT SENSOR
ES
REMOVAL
1. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY
HINT:
(See page WW-4)
2. REMOVE FRONT OUTER COWL TOP PANEL SUB-
ASSEMBLY (See page EM-27)
3. DRAIN ENGINE COOLANT (See page CO-6)
4. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
5. REMOVE NO. 2 AIR CLEANER INLET (See page EM-
28)
6. REMOVE NO. 1 AIR CLEANER INLET (See page EM-
28)
7. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (See
page ES-493)
8. REMOVE AIR CLEANER CASE SUB-ASSEMBLY (See
page EM-28)
9. REMOVE INTAKE AIR SURGE TANK ASSEMBLY
(See page ES-521)
10. REMOVE VVT SENSOR (for Bank 1 Intake Side)
(a) Disconnect the VVT sensor connector.
(b) Remove the bolt and VVT sensor.
11. REMOVE VVT SENSOR (for Bank 1 Exhaust Side)
(a) Disconnect the VVT sensor connector.
(b) Remove the bolt and VVT sensor.
A135701
A135702

ES–5142GR-FE ENGINE CONTROL SYSTEM – CRANKSHAFT POSITION SENSOR
ES
REMOVAL
1. REMOVE COMPRESSOR AND MAGNETIC CLUTCH
HINT:
(See page AC-227 )
2. REMOVE CRANKSHAFT POSITION SENSOR
(a) Disconnect the crankshaft position sensor
connector.
(b) Remove the bolt, and then remove the crankshaft
position sensor.
INSPECTION
1. INSPECT CRANKSHAFT POSITION SENSOR
(a) Using an ohmmeter, measure the resistance
between the terminals.
Standard resistance
NOTICE:
• "Cold" and "Hot" mean the temperature of the
coils themselves.
• "Cold" is from -10
C (14F) to 50C (122F)
and "Hot" is from 50
C (122F) to 100C
(212
F).
If the resistance is not as specified, replace the
crankshaft position sensor.
A076417
A094922
Temperature Specified Condition
Cold 1,630 to 2,740
Hot 2,065 to 3,225

ES–5162GR-FE ENGINE CONTROL SYSTEM – ENGINE COOLANT TEMPERATURE SENSOR
ES
REMOVAL
1. DRAIN ENGINE COOLANT (See page CO-6)
2. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
3. REMOVE NO. 2 AIR CLEANER INLET (See page EM-
28)
4. REMOVE NO. 1 AIR CLEANER INLET (See page EM-
28)
5. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (See
page ES-493)
6. REMOVE AIR CLEANER CASE SUB-ASSEMBLY (See
page EM-28)
7. REMOVE ENGINE COOLANT TEMPERATURE
SENSOR
(a) Remove the engine coolant temperature sensor
connector.
(b) Remove the engine coolant temperature sensor.
INSPECTION
1. INSPECT ENGINE COOLANT TEMPERATURE
SENSOR
(a) Using an ohmmeter, measure the resistance
between the terminals.
Standard resistance
• If the result is as specified, do not replace the
engine coolant temperature sensor.
• If the result is not as specified, replace the
engine coolant temperature sensor.
NOTICE:
In case of checking the engine coolant
temperature sensor in water, do not allow water
to go into the terminals. After checking, dry the
engine coolant temperature sensor.
A162197
A164436E01
Condition Specified Condition
20
C (68F) 2.32 to 2.59 k
80C (176F) 0.310 to 0.326 k

2GR-FE ENGINE CONTROL SYSTEM – KNOCK SENSORES–521
ES
REMOVAL
1. DISCHARGE FUEL SYSTEM PRESSURE
(See page FU-13)
2. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
3. DRAIN ENGINE COOLANT (See page CO-6)
4. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY
HINT:
(See page WW-4)
5. REMOVE FRONT OUTER COWL TOP PANEL SUB-
ASSEMBLY (See page EM-27)
6. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (See
page ES-493)
7. REMOVE AIR CLEANER CASE SUB-ASSEMBLY (See
page EM-28)
8. REMOVE INTAKE AIR SURGE TANK ASSEMBLY
(a) Disconnect the 2 water by-pass hoses from the
throttle body [A].
(b) Disconnect the vapor feed hose [B].
(c) Disconnect the throttle body connector and clamp
[C].
(d) Disconnect the ventilation hose [D].
(e) Disconnect the union to check valve hose [E].
(f) Disconnect the connector [F].
A129464E07
A138457E04
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