LEXUS ES300 2005 Repair Manual

A86281
Ohmmeter
A84680
Ohmmeter
A86284
Ohmmeter 10-4
- ENGINE CONTROL SYSTEMSFI SYSTEM (3MZ-FE)
2009 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
4. INSPECT THROTTLE BODY ASSY
(a) Inspect the resistance.
(1) Using an ohmmeter, measure the resistance be-
tween the terminals.
Standard:
Tester ConnectionSpecified Condition
1 (M-) - 2 (M+)0.3 to 100 W at 20
C (68
F)
3 (E2) - 5 (VC)1.2 to 3.2 kW at 20
C (68
F)
If the resistance is not as specified, replace the throttle body.
5. INSPECT KNOCK SENSOR
(a) Inspect the resistance.
(1) Using an ohmmeter, measure the resistance be-
tween the terminals.
Standard:
Tester ConnectionSpecified Condition
1 (Output)- 2 (Ground)120 to 280 W at 20
C (68
F)
If the resistance is not specified, replace the knock sensor.
6. INSPECT ACCELERATOR PEDAL ASSY (NORMAL
PEDAL)
(a) Inspect the resistance.
(1) Using an ohmmeter, measure the resistance be-
tween the terminals.
Standard:
Tester ConnectionSpecified Condition
2 (VPA2) - 3 (EP1)5.0 kW or less
1 (EP2) - 5 (VPA1)5.0 kW or less
3 (EP1) - 6 (VCP1)2.25 to 4.75 kW
1 (EP2) - 4 (VCP2)2.25 to 4.75 kW
If the resistance is not specified, replace the accelerator pedal.

A86285
Ohmmeter
A84683
OhmmeterBattery
A84683
OhmmeterBattery
- ENGINE CONTROL SYSTEMSFI SYSTEM (3MZ-FE)
10-5
2010 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
7. INSPECT ACCELERATOR & BRAKE PEDAL ASSY
(POWER PEDAL)
(a) Inspect the resistance.
(1) Using an ohmmeter, measure the resistance be-
tween the terminals.
Standard:
Tester ConnectionSpecified Condition
3 (EP1) - 5 (VPA1)5.0 kW or less
1 (EP2) - 2 (VPA2)5.0 kW or less
3 (EP1) - 6 (VCP1)2.25 to 4.75 kW
1 (EP2) - 4 (VCP2)2.25 to 4.75 kW
If the resistance is not specified, replace the accelerator &
brake pedal.
8. INSPECT MAIN RELAY
(a) Inspect the resistance.
(1) Using an ohmmeter, measure the resistance be-
tween the terminals.
Standard:
Tester ConnectionSpecified Condition
3 - 510 kW or higher
3 - 5Below 1W
(Apply battery voltage to terminals 1 and 2
If the result is not as specified, replace the main relay.
9. INSPECT CIRCUIT OPENING RELAY
(a) Inspect the resistance.
(1) Using an ohmmeter, measure the resistance be-
tween the terminals.
Standard:
Tester ConnectionSpecified Condition
3 - 510 kW or higher
3 - 5Below 1W
(Apply battery voltage to terminals 1 and 2
If the result is not as specified, replace the circuit opening relay.

100J1-01
A86244
(a)
(b)
RH Bank:
A86306
(a)
(b)
LH Bank: 10-6
- ENGINE CONTROL SYSTEMCAMSHAFT TIMING OIL CONTROL VALVE
ASSY (3MZ-FE)
2011 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
CAMSHAFT TIMING OIL CONTROL VALVE ASSY (3MZ-FE)
REPLACEMENT
1. DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
2. REMOVE V-BANK COVER SUB-ASSY (See page 10-1 1)
3. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE
ASSY
(a) Disconnect the 2 camshaft timing oil control valve con-
nectors.
(b) Remove the 2 bolts, then remove the 2 camshaft timing
oil control valves.
HINT:
The camshaft timing oil control valve is installed with the bolt.
4. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSY
(a) Apply a light coat of engine oil to the O-ring on each camshaft timing oil control valve.
(b) Install the 2 camshaft timing oil control valves with the 2 bolts.
Torque: 8.0 NVm (80 kgfVcm, 71 in.Vlbf)
NOTICE:
Be careful not to twist the O-ring.
(c) Connect the 2 camshaft timing oil control valve connectors.
5. INSTALL V-BANK COVER SUB-ASSY (See page 10-1 1)
6. CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
Torque: 5.4 NVm (55 kgfVcm, 48 in.Vlbf)
7. CHECK FOR ENGINE OIL LEAKS
8. SYSTEM INITIALIZATION (See page 19-15)

100J2-02
A86246
(a)(b)
(b)
- ENGINE CONTROL SYSTEMMASS AIR FLOW METER (3MZ-FE)
10-7
2012 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
MASS AIR FLOW METER (3MZ-FE)
REPLACEMENT
1. DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
2. REMOVE MASS AIR FLOW METER
(a) Disconnect the mass air flow meter connector.
(b) Remove the 2 screws, then remove the mass air flow me-
ter.
3. INSTALL MASS AIR FLOW METER
4. CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
Torque: 5.4 NVm (55 kgfVcm, 48 in.Vlbf)
5. SYSTEM INITIALIZATION (See page 19-15)

100J3-02
A86247
(a)
(b)
Deep Socket
Wrench 19
10-8- ENGINE CONTROL SYSTEMENGINE COOLANT TEMPERATURE
SENSOR (3MZ-FE)
2013 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
ENGINE COOLANT TEMPERATURE SENSOR (3MZ-FE)
REPLACEMENT
1. DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
2. REMOVE RADIATOR LOWER AIR DEFLECTOR (See page 19-5)
3. DRAIN ENGINE COOLANT (See page 16-9)
4. REMOVE ENGINE COOLANT TEMPERATURE
SENSOR
(a) Disconnect the engine coolant temperature sensor con-
nector.
(b) Using a deep socket wrench 19, remove the engine cool-
ant temperature sensor and gasket.
5. INSTALL ENGINE COOLANT TEMPERATURE SENSOR
(a) Using a deep socket wrench 19, install a new gasket and the engine coolant temperature sensor.
Torque: 20 NVm (200 kgfVcm, 14 ftVlbf)
(b) Connect the engine coolant temperature sensor connector.
6. CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
Torque: 5.4 NVm (55 kgfVcm, 48 in.Vlbf)
7. ADD ENGINE COOLANT (See page 16-9)
8. CHECK FOR ENGINE COOLANT LEAKS (See page 16-1)
9. INSTALL RADIATOR LOWER AIR DEFLECTOR
10. SYSTEM INITIALIZATION (See page 19-15)

100J4-01
A86358N´m (kgf´cm, ft´lbf) : Specified torque
7.9 (81, 70 in.Vlbf)x3
V-bank Cover Sub-assy
Mass Air Flow
Meter Connector Fuel Vapor Feed Hose
Assy
Vacuum Hose
Air Cleaner Cap
Sub-assy
Air Cleaner Filter
Element Sub-assy
5.0 (51, 44 in.Vlbf)
W/O TEMS:
Front Suspension Upper Brace Center
80 (816, 59)
Spacer
x2
Vacuum Hose
80 (816, 59)x2
Spacer
- ENGINE CONTROL SYSTEMTHROTTLE BODY ASSY (3MZ-FE)
10-9
2014 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
THROTTLE BODY ASSY (3MZ-FE)
COMPONENTS

A86249
Non-reusable part
N´m (kgf´cm, ft´lbf) : Specified torque
Intake Air Connector
Gasket
Throttle Body Assy
Water By-pass Hose No. 2
Water By-pass Hose No. 3
Throttle Motor Connector
11 (112, 8)
x4 10-10
- ENGINE CONTROL SYSTEMTHROTTLE BODY ASSY (3MZ-FE)
2015 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)

100J5-01
A86250
A86251
(a)(a)
(a)
(b) 2 Retainers
Socket Hexagon
Wrench 5
A86252
(a)
(b)
(d)
(e)
(b)
(b)
(b)
(c)
(d)
(e)
(f)
A86253
(a)
(c) (b)
- ENGINE CONTROL SYSTEMTHROTTLE BODY ASSY (3MZ-FE)
10-1 1
2016 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
REPLACEMENT
1. DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
2. REMOVE RADIATOR LOWER AIR DEFLECTOR (See page 19-5)
3. DRAIN ENGINE COOLANT (See page 19-5)
4. REMOVE FRONT SUSPENSION UPPER BRACE
CENTER (W/O TEMS)
(a) Remove the 4 nuts, then remove the front suspension up-
per brace center and 4 spacers.
(b) Temporarily tighten the 4 nuts.
5. REMOVE V-BANK COVER SUB-ASSY
(a) Using a socket hexagon wrench 5, remove the 3 nuts.
(b) Unfasten the 2 retainers, then remove the V-bank cover.
6. REMOVE AIR CLEANER CAP SUB-ASSY
(a) Disconnect the mass air flow meter connector.
(b) Disconnect the 4 vacuum hoses.
(c) Disconnect the ventilation hose No. 2.
(d) Disconnect the fuel vapor feed hose from the 2 hose
clamps.
(e) Loosen the 2 air cleaner cap bolts.
(f) Loosen the air cleaner hose clamp bolt, then remove the
air cleaner cap.
(g) Remove the air cleaner filter element.
7. REMOVE THROTTLE BODY ASSY
(a) Disconnect the throttle motor connector.
(b) Disconnect the water by-pass hose No. 2.
(c) Disconnect the water by-pass hose No. 3.

A86254
(d)
(d)
(d)
(d) 10-12
- ENGINE CONTROL SYSTEMTHROTTLE BODY ASSY (3MZ-FE)
2017 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
(d) Remove the 4 bolts, then remove the throttle body.
(e) Remove the gasket from the intake air connector.
8. INSTALL THROTTLE BODY ASSY
(a) Install a new gasket to the intake air connector.
(b) Install the throttle body with the 4 bolts.
Torque: 11 NVm (112 kgfVcm, 8 ftVlbf)
(c) Connect the water by-pass hose No. 3.
(d) Connect the water by-pass hose No. 2.
(e) Connect the throttle motor connector.
9. INSTALL AIR CLEANER CAP SUB-ASSY
Torque: 5.0 NVm (51 kgfVcm, 44 in.Vlbf)
10. CHECK CONNECTION OF VACUUM HOSE (See page 14-29)
11. CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
Torque: 5.4 NVm (55 kgfVcm, 48 in.Vlbf)
12. ADD ENGINE COOLANT (See page 16-9)
13. CHECK FOR ENGINE COOLANT LEAKS (See page 16-1)
14. INSTALL V-BANK COVER SUB-ASSY
(a) Fit the 2 retainers, then install the V-bank cover.
(b) Using a socket hexagon wrench 5, tighten the 3 nuts.
Torque: 7.9 NVm (81 kgfVcm, 70 in.Vlbf)
15. INSTALL FRONT SUSPENSION UPPER BRACE CENTER (W/O TEMS)
Torque: 80 NVm (816 kgfVcm, 59 ftVlbf)
16. INSTALL RADIATOR LOWER AIR DEFLECTOR
17. SYSTEM INITIALIZATION (See page 19-15)

100J6-02
A86358N´m (kgf´cm, ft´lbf) : Specified torque
7.9 (81, 70 in.Vlbf)x3
V-bank Cover Sub-assy
Mass Air Flow
Meter Connector Fuel Vapor Feed Hose
Assy
Vacuum Hose
Air Cleaner Cap
Sub-assy
Air Cleaner Filter
Element Sub-assy
5.0 (51, 44 in.Vlbf)
W/O TEMS:
Front Suspension Upper Brace Center
80 (816, 59)
Spacer
x2
Vacuum Hose
80 (816, 59)x2
Spacer
- ENGINE CONTROL SYSTEMKNOCK SENSOR (3MZ-FE)
10-13
2018 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
KNOCK SENSOR (3MZ-FE)
COMPONENTS