2008 Lexus ES350 OEM Service & Repair Manual
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412
LEXUS ES 350 (EM01Y0U)
I GROUND POINT
RR DEF Relay
(SOL–)
B1
(GND)
B26
(GND)
B27
(GND)
B28
(GND)
B29
(GND)
B30
(GND)
B31
(E)
A14
(E)
A16
(E01)
(E1)
B40
(E1)
A7
(E)
A33
(E)
A41
(E)
ST Relay
(–S)
B3
1
1
A1
BA3 12
4
BA3
B32
W–B GR
B
B
W
W
W–B
W–B
B–W
BR
W–B
W–B
W–B
BR
W–B
BR
W–B
W–B
W
W–B
W–B
W–B
2
1
3
B
(E1)
B12
W–B
(E05)
W
(E02)
B–W
5
6
4
W–B
B
W–B
Headlamp (LH Low)
Turn Signal Lamp
(Front LH)
Parking Lamp (LH)
Cooling Fan ECU
Headlamp (LH High)
Ignition Coil (No. 1)
Ignition Coil (No. 2)
Ignition Coil (No. 4)
Ignition Coil (No. 5)
A/C Compressor
Ignition Coil (No. 3)
Ignition Coil (No. 6)
Engine Control
Module
Transmission
Control ECU
Junction Connector
(E)
A15
Headlamp Assembly
(LH)
W–B
BA4 6
(E)
B14
W–B
W–B
B
(–S)
W–B
FAN MAIN Relay
1
Engine Oil Level Sensor
LEXUS ES 350 (EM01Y0U)
413
I
E21
(SG)
E30
(ECC)
(E)
A50
A
17
B
16
3L
12
4L
10
A5
A27(A), A28(B)
W–B
W–B
GR
W–B
(E)
(E)
B
W–B
A51
A6
W–B
EA1
15
3U
11
10
4D
10
4I
E84
(E)
W–B
3D
9
(–S)
IG2 Relay
(–ST)
ST CUT Relay
(E)
A11
(E)
A12
1
1
A2
W–B
W–B
W–B BR
BR
W–B
W
L
BR
1
3
5
6
Fog Lamp (Front LH)
Brake Fluid
Level Warning SW
Junction Connector
Wireless Door
Lock Buzzer
Engine Hood
Courtesy SW
Windshield
Wiper Motor
Data Link
Connector 3
Spiral Cable
Transmission
Control SW
Junction
Connector
A29
B
B
17
18
B A
16
(SGND)
Millimeter Wave
Radar Sensor
A31
GR
BR
(GND)
A8
Distance
Control ECU
(SGND)
GR
W–B
A/F Relay
EFI Relay
Light Control
Circuit
1E
10
1E
11
BR
(E)
Turn Signal Lamp
(Front Side LH)
A43
4 GR
(E)
A37
L
Smog Ventilation
Sensor
L
BR
W–B
414
LEXUS ES 350 (EM01Y0U)
I GROUND POINT
(E1)
A22
(GND2)
A36
(E04)
(ME01)
A36
(GND1)
A34
(E)
A18
(E)
A4
A6 A3
(GND)
E12 E6
(E2)
B1
E3 E1
W–B
W–B
W–B
W–B
W–B
W–B
BR
BR
W–B
W–B
W–B
B
W
5
DE
3
DM
BA3
10 16
LA1
W–B W–B W–B
L2
(E)
A13
(E)
(E)
A19
A42
W–B
(GND)
W–B
E79
W–B
W–B
W–B
(MGND)
W
W–B
W–B
DG
10
(GND3)
E59
(GND)
E68
(COM)
12
3A
2
3R
3
3R
2
3E
W–B
W–B
Skid Control ECU
with Actuator
Skid Control ECU
with Actuator
Parking Lamp (RH)
Fog Lamp
(Front RH)
Headlamp
Assembly (RH)
Turn Signal Lamp
(Front RH)
Headlamp (RH Low)
Headlamp
Swivel ECU
Airbag Sensor
Assembly Center
Blower Motor
Power SW
Main Body ECU
Canister Pump
Module
(E01)
B12
Engine Control
Module
(E03)
B
W–B
(E)
A44
Turn Signal Lamp
(Front Side RH)
(E)
Washer Level
Warning SW
A48
W
B
2
3
5
4
Junction Connector
A30
A17
(E)
Headlamp (RH High)
W–B
E19
(ES)
Combination
Meter
2
3S
W–B
E78
(SGND)
Steering
Lock ECU
W–B
1
3R
∗ 1 : w/ LEXUS Navigation System
∗ 2 : w/o LEXUS Navigation System
E32
(GND)
ID Code Box
W–B
1
3P
(GND)
A9
GR 6
Tilt and
Telescopic ECU
Active Control
Engine Mount ECU
LEXUS ES 350 (EM01Y0U)
415
I
(E)
E83
(L)
E26
(E)
E13
4A
1
4E
3
4B
1
4D
1
W–B
W–B
W–B
(GND)
E25
(E)
E11
4J
1
4K
1
W–B
W–B
Glove Box Lamp
Gateway ECU
Windshield Wiper
Relay
Tire Pressure
Warning Select SW
Certification ECU
W–B
W–B
W–B
(GND)
E1
E57
(L)
E21
E19
11
3S (E2)
(CG) 3L
11
3K
12
3J
12
E82
W–B
W–B
W–B
W–B
3H
12
3H
11
(GND)
(E)
E81
W–B
E85
(E)
W–B
E27
(EL)
3C
4
3C
2
Data Link Connector 3
Turn Signal
Flasher
Combination Meter
Headlamp Dimmer
SW Assembly
Luggage Compartment
Door Opener SW (Main)
A/C Amplifier
Tire Pressure
Warning Reset SW
Tire Pressure
Warning ECU
AFS OFF SW
W–B
2
3A
E5
(E)
Outer Mirror
Control ECU
11
3N (GND)
W–B
E66
Steering Sensor
W–B
11
3E
E31
(ESS)
12
3T (E)
W–B
E18
Yaw Rate Sensor
W–B
11
3O
E88
(GND)
Vanity Lamp SW
(LH)
W
11
3K
Q10
(E)
A/C Control
Assembly
(GND)
W–B
E3
Vanity Lamp SW
(RH)
W
Q11
(E)
5
3P EQ1
18
W–B
EE1
1
W–B
(∗1)
(∗2)
W–B
2
4A (ILL–)
W–B
F1
E76
3
4H (E)
W–B
Rear Sunshade SW
E75
2
4H (E)
W–B
W–B
FE1
20
E69
(GND)
W–B
Radio Receiver
Assembly
(Shielded)
B2
E62
E73
(Shielded)
E4
(GND1)
(GND)
W–B
BR
B
W–B
Radio Receiver
Assembly
Multi–Display
A 1
B 6 B 5
W–B
W–B
W–B
Junction
Connector
E91
(
A
)
, E92
(
B
)
(Shielded)
(Shielded)
Luggage
Compartment
Door Opener SW
E56
1
4F (L)
W–B
Security
Indicator Lamp
W–B
6
GE1
G1
9
4B (E)
W–B
Clock Assembly
Console Box Lamp
Retractable
Outer Mirror SW
Shift Lock
Control ECU
E77
(E) 3B
2
W–B
1
3C
W–B
(LFG)
416
LEXUS ES 350 (EM01Y0U)
I GROUND POINT
F2
(E)
F3
(GND)
IG1 Relay
(E)
(GND1)
Main Body ECU
ACC Relay
TAIL Relay
Tilt Motor
(E1)
E6
DR
1
11
EM2
E37
W–B
W–B
W–B
W–B
W–B
W–B W–B
W–B
W–B
(E)
E15
W–B
9
2
6
1
3
8
W–B
W–B
(E)
Q7
Q2
W–B
W–B
EQ1 11
(–)
(E)
(E)
(E)
6
IE1
W–B
I3
I2
I4
I5
10
11
W–B
(GND3)
7 W–B
(EW)
E29
W–B
(GND)
a2
Ia1
8
DF
10
DE
1
BR
W–B
W–B
W–B
Power Outlet Socket
Airbag Sensor
Assembly Center
Junction Connector
Seat Heater SW
Windshield Wiper
SW Assembly
Outer Rear
View Mirror (LH)
Power Window ECU
(Front LH)
Door Lock Assembly
(Front LH)
Power Window Master SW
Overhead J/B
Electrical Key
Oscillator (Front Door LH)
W–B
5 W–B W–B
11
FE1
14
FE1
W–B
W–B
(–)
H4
(E)
H2
H3
(GND)
Z2
8 HZ1
(E)
W–B
W–B
W–B
W–B
BR
W–B
6
HE1
W–B 4
Outer Rear
View Mirror (RH)
Door Lock Control SW
Door Lock Assembly
(Front RH)
Electrical Key
Oscillator (Front Door RH)
Power Window ECU
(Front RH)
W–B
H5
(E)
W–B
H6
(E)
Power Window SW
(Front RH)
E80
(GND)
E78
W–B
Steering Lock
ECU
E2
Sliding Roof
Control ECU
Cigarette Lighter
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What's Included?
Lifetime Access
Fast Download Speeds
Offline Viewing
Access Contents & Bookmarks
Full Search Facility
Print one or all pages of your manual
$36.99
$48.99
2008 Lexus ES350 OEM Service & Repair Manual
Engine covered:
- 3.5L 2GR-FE V6
The 2008 Lexus ES350 OEM Service & Repair Manual offers comprehensive factory-level procedures tailored specifically for maintaining and repairing the ES350 equipped with the 3.5L 2GR-FE V6 engine. It’s the same reference used by dealership technicians and provides a deep dive into key systems including engine, transmission, brakes, and HVAC.
This manual walks through everything from engine mechanical teardown to transmission servicing (U660E), power steering diagnostics, suspension checks, and brake system repairs. Interior and exterior maintenance—like seat controls, window mechanisms, and body adjustments—are also included with clear procedural steps.
Content overview:
- General Information – Introduction, preparation, service specifications, maintenance schedules, and repair guidelines
- 2GR-FE Engine – Complete coverage of engine mechanical, control system, fuel, intake, exhaust, cooling, lubrication, ignition, starting, and charging systems
- Transmission & Driveline – U660E automatic transaxle, drive shaft, and axle service procedures
- Suspension & Steering – Front and rear suspension, steering column, and power steering system diagnostics and repair
- Brake System – Brake control, hydraulic brake components, and parking brake servicing
- HVAC – Air conditioning, heating, ventilation, and climate control system repairs
- Restraints & Safety Systems – Pre-collision system, seat belt service, and supplemental restraint system (SRS) repairs
- Electrical Systems – Theft deterrent, engine immobilizer, lighting, wipers, washer system, power distribution, power windows, mirrors, locks, and seat controls
- Interior & Body – Instrument panel, seats, door/hood components, sliding roof, windshield/window glass, and interior accessories
- Convenience & Electronics – Navigation, audio/visual systems, cruise control, park assist/monitoring, horn, garage door opener, and CAN communication
- Wiring Diagrams – Relay locations, circuit diagrams, connector lists, power source charts, and overall Lexus ES350 electrical wiring diagrams
Ideal for professional mechanics and experienced DIYers alike, this manual keeps the guesswork to a minimum. Whether you're chasing down an electrical fault or performing scheduled maintenance, the 2008 Lexus ES350 factory manual gives you the structure, torque specs, and service logic needed to get the job done properly.
Printable: Yes
Language: English
Compatibility: Pretty much any electronic device, incl. PC & Mac computers, Android and Apple smartphones & tablet, etc.
Requirements: Adobe Reader (free)
