Page 1833 of 5135
A77920
RHD: LHD:
A77921
(b)
A77922
A78435
A78436
Upper
Engine
Front
10 10
± ENGINE CONTROL SYSTEMKNOCK SENSOR (1AZ±FE)
10±35
AVENSIS REPAIR MANUAL (RM1018E)
14. REMOVE INTAKE MANIFOLD
(a) Disconnect the union to connector tube hose.
(b) Remove the wire harness clamp.
(c) Remove the 5 bolts and 2 nuts, and then remove the in-
take manifold.
(d) Remove the gasket from the intake manifold.
15. REMOVE INTAKE MANIFOLD INSULATOR NO.1
16. REMOVE KNOCK SENSOR
(a) Disconnect the knock sensor connector.
(b) Remove the nut, and then remove the knock sensor.
17. INSTALL KNOCK SENSOR
(a) Install the knock sensor with the nut as shown in the il-
lustration.
Torque: 20 Nm (204 kgfcm, 15 ftlbf)
(b) Connect the knock sensor connector.
Page 1834 of 5135
10±36
±
ENGINE CONTROL SYSTEM KNOCK SENSOR(1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
18.INSTALL INTAKE MANIFOLD INSULATOR NO.1
19.INSTALL INTAKE MANIFOLD
(a)Install a new gasket to the intake manifold.
(b)Install the intake manifold with the 5 bolts and 2 nuts. Torque: 30 N m (306 kgf cm, 22 ft lbf)
(c)Install the wire harness clamp.
(d)Connect the union to connector tube hose.
20.CONNECT HEATER INLET WATER HOSE
21.INSTALL CHARCOAL CANISTER ASSY
22.INSTALL VARIABLE RESISTOR (LHD STEERING POSITION TYPE, LEADED GASOLINE) Torque: 5.0 N m (51 kgf cm, 44 in. lbf)
23.INSTALL FUEL DELIVERY PIPE SUB±ASSY (See page 11±26)
24.CONNECT FUEL TUBE SUB±ASSY (See page 11±26)
25.INSTALL THROTTLE BODY ASSY (See page 10±26)
26.INSTALL ACCELERATOR CONTROL CABLE ASSY (See page 10±26)
27. INSTALL AIR CLEANER CAP SUB±ASSY
28.ADD ENGINE COOLANT (See page 16±19)
29.CHECK FOR ENGINE COOLANT LEAKS (See page 16±13)
30.CHECK FOR FUEL LEAKS (See page 11±19)
31.INSTALL ENGINE COVER SUB±ASSY NO.1 (See page 10±26)
32. INSTALL ENGINE ROOM COVER SIDE
33. INSTALL RADIATOR SUPPORT OPENING COVER
Page 1835 of 5135
100FK±01
A77870
Mass Air Flow
Meter Connector
N´m (kgf´cm, ft´lbf) : Specified torqueEngine Cover Sub±assy
No. 1
7.0 (71, 62 in.lbf)
Fuel Vapor Feed Hose
No. 2
Air Cleaner Cap
Sub±assyVSV
Connector Fuel Vapor Feed Hose
Clip
Engine Room Cover Side
Radiator Support Opening Cover
Clip
Retainer
x2
x4 10±30
± ENGINE CONTROL SYSTEMKNOCK SENSOR (1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
KNOCK SENSOR (1AZ±FE)
COMPONENTS
Page 1836 of 5135
A78452 Non±reusable part
N´m (kgf´cm, ft´lbf) : Specified torqueAccelerator
Control Cable Assy
Throttle Body
Gasket
Water By±pass Hose No. 2Water By±pass HoseFuel Tube Sub±assy Fuel Pipe Support Throttle Position Sensor
Connector ISC Valve Connector
13 (129, 9)
30 (306, 22)
Throttle Body Assy
± ENGINE CONTROL SYSTEMKNOCK SENSOR (1AZ±FE)
10±31
AVENSIS REPAIR MANUAL (RM1018E)
Page 1837 of 5135
A78453 Non±reusable part
N´m (kgf´cm, ft´lbf) : Specified torque
20 (204, 15)
Fuel Injector
Connector
EFI Fuel Pipe Clamp
Fuel Tube Sub±assy
Injector Vibration InsulatorDelivery Pipe No. 1
Spacer Fuel Delivery Pipe Sub±assy
Ventilation Hose No. 2
10±32
± ENGINE CONTROL SYSTEMKNOCK SENSOR (1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
Page 1838 of 5135
A77916 Non±reusable part
N´m (kgf´cm, ft´lbf) : Specified torque
30 (306, 22)
Heater Inlet Water Hose
Knock Sensor
ConnectorKnock Sensor
20 (204, 15)
Intake Manifold Insulator No. 1
Intake Manifold
to Head Gasket No. 1
Intake Manifold
LHD Steering Position Type,
Leaded Gasoline:
Variable Resister
5.0 (51, 44 in.lbf)
Charcoal Canister Assy
Variable Resister Connector
Charcoal Canister
Outlet Hose No. 1
Fuel Hose
x5
± ENGINE CONTROL SYSTEMKNOCK SENSOR (1AZ±FE)
10±33
AVENSIS REPAIR MANUAL (RM1018E)
Page 1839 of 5135
110UX±01
Fuel Tube Connector
A50710
A60083
Fuel Pipe
Clamp No.1
AA
B12941
±
FUEL FUEL SYSTEM(1AZ±FE)
11±19
AVENSIS REPAIR MANUAL (RM1018E)
ON±VEHICLE INSPECTION
1.CHECK FUEL PRESSURE
(a)Discharge the pressure in the fuel system and take pre-
cautions for possible fuel spillage.(See page 11±15)
(b) Check that the battery voltage is above 12 V.
(c) Disconnect the negative (±) battery cable.
(d) Pull out the connecter from a new fuel tube.
HINT:
Part No. 23901±0H040
(e) Remove the fuel pipe clamp No.1 from the fuel tube con- nector.
(f) Disconnect the fuel tube connector from the fuel pipe while pinching part A with fingers as shown in the illustra-
tion.
CAUTION:
Do not disconnect the fuel tube connector (quick
type) until after you have discharged the fuel system
pressure and taken appropriate steps to prevent fuel
spillage.
There may be remained pressure in the fuel lines after
discharging the pressure.
Take precautions to prevent fuel from spraying on
you or your clothing or inside the engine compart-
ment.
Page 1840 of 5135
No.1 Fuel Pipe
Fuel Tube Connector
SST
(Clip)
SST (T joint)SST
SST
(Hose)
B12975
11±20
± FUELFUEL SYSTEM (1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
(g) Install SST (pressure gauge) and a fuel tube connector
using SST as shown in the illustration.
SST 09268±41047(95336±08070),09268±45014
(09268±41250, 09268±41200, 09268±41220)
(h) Wipe up any gasoline.
(i) Reconnect the negative (±) battery cable.
(j) Connect the hand±hand tester to the DLC3.
(k) Measure the fuel pressure.
Fuel pressure:
304 to 343 kPa (3.1 to 3.5 kgf/cm
2, 44 to 50 psi)
If pressure is high, replace the fuel pressure regulator.
If pressure is low, check the fuel hoses connections, the fuel
pump, the fuel filter and the fuel pressure regulator.
(l) Disconnect the hand±held tester from the DLC3.
(m) Start the engine.
(n) Measure the fuel pressure at idle.
Fuel pressure:
304 to 343 kPa (3.1 to 3.5 kgf/cm
2, 44 to 50 psi)
(o) Stop the engine.
(p) Check that the fuel pressure remains as specified for 5
minutes after the engine has stopped.
Fuel pressure:147 kPa (1.5 kgf/cm
2, 21 psi) or more
If pressure is not as specified, check the fuel pump, the pres-
sure regulator and/or the injectors.
(q) After checking the fuel pressure, disconnect the negative
(±) battery cable and carefully remove SST and the fuel
tube connector to prevent gasoline from splashing.
(r) Reconnect the No. 1 fuel pipe (fuel tube connector).
CAUTION:
After taking the precautions, connect the fuel tube con-
necter (quick type).
2. CHECK FUEL PUMP OPERATION AND FUEL LEAK
(a) When using the hand±held tester
(1) Connect the hand±held tester to the DLC3.
(2) Turn the ignition switch ON and the hand±held tes-
ter main switch ON.
NOTICE:
Do not start the engine.
(3) Select the active test mode on the hand±held tester.
(4) Perform the active test. Check that the fuel pump
operates and check for fuel leaks.