A53763
E2PSW
10±38
±
ENGINE CONTROL SYSTEM SFI SYSTEM(1AZ±FSE)
AVENSIS REPAIR MANUAL (RM1018E)
2.INSPECT POWER STEERING OIL PRESSURE SEN- SOR
(a)Using a voltmeter, measure the voltage between termi-
nals PSW and E2.
Voltage:
ConditionVoltage (V)
Not spin the steering wheel at engine idling9 to 14
Spin the steering wheel at engine idling0 to 3
3.INSPECT THROTTLE BODY
(a)Inspect the throttle control motor for operating sound.(1)Turn the ignition switch ON.
(2)When turning the accelerator pedal position sensor lever, check the running sound of the motor.Also, check that there is no friction sound.
If operation is not as specified, check the throttle control motor (See page 10±39), wiring and ECM.
(b) Inspect the throttle position sensor.
(1) Connect the hand±held tester to the DLC3.
(2) Turn the ignition switch ON.
(3) When turning the accelerator pedal position sensor lever to the full±\
open position, check thatthe throttle valve opening percentage (THROTTLE POS) of the CURRENT DATA shown the
standard value.
Standard throttle valve opening percentage:
60 % or more
If operation is not as specified, check that the accelerator pedal positio\
n sensor (See page 10±39), wiring
and ECM.
If you have no hand±held tester, measure voltage between terminals (VTA1 ± E2, VTA2 ± E2) of the ECM
connector (See page 05±318).
(c) Inspect the air assist system.
(1) Start the engine and check that the CHK ENG does not light up.
(2) Allow the engine to warm up to normal operating temperature.
(3) Turn the A/C compressor ON to OFF, and check the idle speed.
Idle speed (Transmission in neutral): 700 50 rpm
NOTICE:
Perform inspection under condition without electrical load.
(d) After checking the above (b) to (d), perform the driving test and check that there is no sense of incon-
gruity.
4. INSPECT ACCELERATOR PEDAL POSITION SENSOR
(a) Connect the hand±held tester to the DLC3.
(b) Turn the ignition switch ON.
(c) Check that the voltage (ACCEL POS) of the CURRENT DATA shown the standard value.
Accelerator pedal released: 0.5 to 1.1 V
Accelerator pedal depress: 2.6 to 4.5 V
(d) Check that the voltage (ACCEL POS #2) of the CURRENT DATA shown the standard value. Accelerator pedal released: 1.2 to 2.0 V
Accelerator pedal depress: 3.4 to 5.3 V
If you have no hand±held tester, measure voltage between terminals (VPA ± EPA, VPA2 ± EPA2) of the ECM
connector (See page 05±318).
110U2±01
A77915
±
FUEL FUEL PRESSURE PULSATION DAMPER
ASSY(1AZ±FE)11±29
AVENSIS REPAIR MANUAL (RM1018E)
FUEL PRESSURE PULSATION DAMPER ASSY(1AZ±FE)
REPLACEMENT
1.DISCHARGE FUEL SYSTEM PRESSURE (See page 11±15)
2.REMOVE ENGINE COVER SUB±ASSY NO.1 (See page 10±26)
3.REMOVE AIR CLEANER CAP SUB±ASSY (See page 10±26)
4.DISCONNECT FUEL TUBE SUB±ASSY (See page 11±26)
SST09268±21010
5.REMOVE FUEL PRESSURE PULSATION DAMPERASSY
(a)Remove the 2 bolts, and then remove the fuel pressure pulsation damper.
6.INSTALL FUEL PRESSURE PULSATION DAMPER ASSY
(a)Apply a light coat of spindle oil or gasoline to a new O±ring, and instal\
l it to the fuel pressure pulsation damper.
(b)Install the fuel pressure pulsation damper with the 2 bolts. Torque: 9.0 N m (92 kgf cm, 80 in. lbf)
7.CONNECT FUEL TUBE SUB±ASSY (See page 11±26)
8. INSTALL AIR CLEANER CAP SUB±ASSY
9.CHECK FOR FUEL LEAKS (See page 11±19)
10.INSTALL ENGINE COVER SUB±ASSY NO.1 (See page 10±26)
A77913
Turn
Push
A77914
Turn
A81621
Fuel Pipe
Clamp
Push
11±28
±
FUEL FUEL INJECTOR ASSY(1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
(b)Apply a light coat of spindle oil or gasoline on the place where a fuel delivery pipe contacts the O±ring.
(c)Push the fuel injector while twisting it back and forth to
install it to the fuel delivery pipe.
NOTICE:
Be careful not to twist the O±ring.
After installing the fuel injectors, check that they turn
smoothly. If not, reinstall it with a new O±ring.
8.INSTALL FUEL DELIVERY PIPE SUB±ASSY
(a)Install 4 new insulators and the 2 delivery pipe No. 1 spacers to the cylinder head.
(b)Place the fuel delivery pipe and the 4 fuel injectors togeth- er to the cylinder head.
NOTICE:
Be careful not to drop the fuel injectors when installing the
fuel delivery pipe.
(c)Temporarily install 2 bolts which are used to secure the fuel delivery pipe to the cylinder head.
(d)Check that the fuel injectors rotate smoothly.
If the fuel injectors do not rotate smoothly, the probable cause
is incorrect installation of O±ring. Replace with the O±ring.
(e)Tighten the 2 bolts. Torque: 20 N m (204 kgf cm, 15 ft lbf)
(f)Connect the 4 fuel injector connectors.
(g)Install the 2 wire harness clamps.
(h)Connect the ventilation hose.
9.CONNECT FUEL TUBE SUB±ASSY
(a)Push in the connector to the pipe until it makes ºclickº sound.
NOTICE:
Check if there is any damage or foreign objects on the
connected part.
After connecting, check if the connector and the pipe
are securely connected by pulling on them.
(b)Install the fuel pipe clamp.
10.INSTALL AIR CLEANER CAP SUB±ASSY
11.CHECK FOR FUEL LEAKS (See page 11±19)
12.INSTALL ENGINE COVER SUB±ASSY NO.1 (See page 10±26)
A79187
O±ringBack±up ring
B08249
A80111
180
90 11±62
± FUELINJECTOR ASSY (1CD±FTV)
AVENSIS REPAIR MANUAL (RM1018E)
(b) Install new back±up rings and O±rings to each injector.
(c) Apply a light coat of engine oil onto the O±rings on each
injector.
(d) Install the injector to the cylinder head.
NOTICE:
Fit the injectors to the nozzle seat.
(e) Install the nozzle holder clamp as shown in the illustration.
Tighten the camshaft bearing cap bolt by hand to fix the
nozzle holder clamp.
NOTICE:
Pay attention to the mounting orientation of the wash-
er.
When temporarily attaching the nozzle holder clamp
and the mounting bolt, be careful not to orient them
at an angle.
HINT:
Apply a light coat of engine oil on the threads of the nozzle hold-
er clamp bolts.
(f) Install the injection pipe No. 1, No. 2, No. 3 and No. 4,
tighten the nuts by hand.
(g) Install new 5 gaskets and the leakage pipe No. 1. Tighten
the 4 hollow screws by hand.
(h) Tighten the 4 nozzle holder clamp bolts.
Torque: 26 Nm (265 kgfcm, 19 ftlbf)
(i) Remove the 4 injection pipes.
18. INSTALL NOZZLE LEAKAGE PIPE ASSY
(a) Install the nozzle leakage pipe and 5 new gaskets.
NOTICE:
When installing the gaskets, pay attention to the mounting
orientation. Install the gasket so that the joint portion of the
gasket comes within the ranges shown in the illustration.
(b) Apply a light coat of oil onto the 4 hollow screws and the
union bolt.
(c) Tighten the 4 hollow screws and the union bolt by hand.
(d) Tighten the 4 hollow screws and the union bolt.
Torque:
18 Nm (184 kgfcm, 13 ftlbf) for hollow screw
22 Nm (224 kgfcm, 16 ftlbf) for union bolt
(e) Check that there are no leaks from the nozzle leakage
pipe connection.
(1) Disconnect the fuel hose, and remove the bolt, the
check valve and the nozzle leakage No. 2 pipe and
the gasket.
A80119
New Gasket
Hollow
Screw
Union
Bolt
SST
Nozzle Leakage
No. 2 Pipe
New Gasket
SST
A79146
Check
Valve
Nozzle Leakage
No. 2 Pipe
New Gasket
A09663
:Seal Packing
± FUELINJECTOR ASSY (1CD±FTV)
11±63
AVENSIS REPAIR MANUAL (RM1018E)
(2) Install the bolt, the nozzle leakage No. 2 pipe and
the gasket to the cylinder head with SST.
SST 09280±00010
Torque:
8.8 Nm (90 kgfcm, 79 in.lbf) for bolt
21 Nm (214 kgfcm, 15 ftlbf) for SST
(3) Apply a light coat of soapy water (any fluid to detect
fuel leakage) on the nozzle leakage pipe No. 2 con-
nection.
(4) Using SST (turbocharger pressure gauge), attach
SST to the fuel return side of the nozzle leakage No.
2 pipe, and maintain 100 kPa (1.0 kgf/cm
2, 14.5 psi)
of pressure for 60 seconds to check that there are
no bubbles from the pipe connection.
SST 09992±00242
(5) After checking fuel leaks, wipe off soapy water from
the pipe connection.
(6) Remove 2 SSTs, and then remove the bolt, the
nozzle leakage No.2 pipe and the gasket.
(7) Place a new gasket and reinstall the nozzle leakage
No. 2 pipe with the check valve and the bolt.
Torque:
8.8 Nm (90 kgfcm, 79 in.lbf) for bolt
21 Nm (214 kgfcm, 15 ftlbf) for check valve
HINT:
Do not disassemble the check valve on the engine.
(8) Reconnect the fuel hose to the nozzle leakage No.
2 pipe.
19. INSTALL CYLINDER HEAD COVER SUB±ASSY
(a) Remove any old packing (FIPG) material.
(b) Apply seal packing to the cylinder head.
Seal packing: Part No. 08826±00080 or equivalent
(c) Install the gasket to the cylinder head cover.
(d) Install the cylinder head cover with the 10 bolts.
Torque: 13 Nm (135 kgfcm, 9.7 ftlbf)
140KR±02
A62199
TCCG
A62200
±
ENGINE MECHANICAL ENGINE(1ZZ±FE/3ZZ±FE)
14±1
AVENSIS REPAIR MANUAL (RM1018E)
ENGINE(1ZZ±FE/3ZZ±FE)
INSPECTION
1.INSPECT COOLANT (See page 16±1)
2.INSPECT ENGINE OIL (See page 17±1)
3.INSPECT BATTERY (See page 19±5)
4.INSPECT AIR CLEANER FILTER ELEMENT SUB±ASSY
5.INSPECT SPARK PLUG (See page 18±3)
6.INSPECT FAN AND GENERATOR V BELT
HINT:
You don't need to check the belt deflection because auto tensioner is ado\
pted.
7.INSPECT IGNITION TIMING
(a)Warm up engine.
(b)When using hand±held tester:
(1)Connect the hand±held tester to the DLC3.
(2)Enter DATA LIST MODE on the hand±held tester.
Ignition timing: 8 to 12 BTDC
HINT:
Please refer to the hand±held tester operator's manual if you
need help to select DATA LIST.
(c) When not using hand±held tester: (1) Using SST, connect terminal 13 (TC) and 4 (CG) ofthe DLC3.
SST 09843±18040
NOTICE:
Make sure of the terminal numbers before connecting
them. Connection with a wrong terminal can damage
the engine.
Turn OFF all electrical systems before connecting the
terminals.
Operate the inspection after the cooling fan motor is
turned OFF
(2) Remove the 2 nuts, and 2 clips, and then remove the cylinder head cover.
(3) Pull out the wire harness as shown in the illustration.
(4) Connect the clip of the timing light to the engine.
NOTICE:
Use a timing light which detects the first signal.
After checking, be sure to wrap the wire harness with
tape.
TA C
A52006
A01037
14±2
± ENGINE MECHANICALENGINE (1ZZ±FE/3ZZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
(5) Inspect ignition timing at idle.
Ignition timing: 8 to 12BTDC
NOTICE:
When checking the ignition timing, shift the transmission
to the neutral position.
HINT:
Run the engine at 1,000 to 1,300 rpm for 5 seconds, check that
the engine rpm returns to the idle speed.
(6) Disconnect the terminal 13 (TC) and 4 (CG) of the
DLC3.
(7) Inspect ignition timing at idle.
Ignition timing:
10 to 18 BTDC (1ZZ±FE)
3.5 to 11.5 BTDC (3ZZ±FE)
(8) Confirm that ignition timing to go advanced angle
side when the engine rpm is increased.
(9) Remove the timing light.
(10) Install the cylinder head cover with the 2 nuts and
2 clips.
Torque: 7.0 Nm (71 kgfcm, 62 in.lbf)
8. INSPECT ENGINE IDLE SPEED
(a) Warm up engine.
(b) When using hand±held tester:
(1) Connect the hand±held tester to the DLC3.
HINT:
Please refer to the hand±held tester operator's manual if you
need help to select DATA LIST.
(c) When not using hand±held tester:
(1) Using SST, connect the tachometer test prove to
terminal 9 (TAC) of DLC3.
SST 09843±18040
(d) Check the idle speed.
Idle speed: 600 to 700 rpm
NOTICE:
Check the idle speed with the cooling fan OFF.
Switch off all accessories and air conditioning before
connecting the test prove to the terminal.
9. INSPECT COMPRESSION
(a) Warm up and stop the engine.
(b) Remove the ignition coil.
(c) Remove the spark plugs.
(d) Inspect cylinder compression pressure.
SST 09992±00500
(1) Insert a compression gauge into the spark plug
hole.
(2) Fully open the throttle.
140D1±02
CG
TCA51075
A52004
±
ENGINE MECHANICAL ENGINE(1AZ±FE)
14±101
AVENSIS REPAIR MANUAL (RM1018E)
ENGINE(1AZ±FE)
INSPECTION
1.INSPECT COOLANT (See page 16±13)
2.INSPECT ENGINE OIL (See page 17±6)
3. INSPECT BATTERY
Standard specific gravity: 1.25 to 1.29 at 20 C (68 F)
4. INSPECT AIR CLEANER FILTER ELEMENT SUB±ASSY
5.INSPECT SPARK PLUG (See page 18±9)
6. INSPECT V±RIBBED BELT
7. INSPECT IGNITION TIMING
(a) Warm up engine.
(b) When using hand±held tester:(1) Connect the hand±held tester to the DLC3.
(2) Enter DATA LIST MODE on the hand±held tester.
Ignition timing: 8 to 12 BTDC
HINT:
Please refer to the hand±held tester operator's manual if you
need help to select DATA LIST.
(c) When not using hand±held tester:
(1) Using SST, connect terminals 13 (TC) and 4 (CG)of DLC3.
SST 09843±18040
NOTICE:
Make sure of the terminal numbers before connecting
them. Connection with a wrong terminal can damage
the engine.
Turn OFF all electrical systems before connecting the
terminals.
Operate the inspection after the cooling fan motor is
turned OFF.
(2) Remove the cylinder head cover No.2.
(3) Pull out the wire harness as shown in the illustration.
Connect the clip of the timing light to the engine.
NOTICE:
Use a timing light which detects the first signal.
After checking, be sure to wrap the wire harness with
tape.
(4) Inspect ignition timing at idle.
Ignition timing: 8 to 12 BTDC
NOTICE:
When checking the ignition timing, shift the transmission
to the neutral position.
HINT:
Run the engine at 1,000 to 1,300 rpm for 5 seconds, check that
the engine rpm returns to the idle speed.