Toyota Sequoia (2005). Manual — part 225

DIDCB–01

–

DIAGNOSTICS

AIR SUSPENSION SYSTEM

DI–695

889

AIR SUSPENSION SYSTEM

PRECAUTION

Be sure to switch the height control mode select switch to manual mode and cancel the auto leveling
function when:

Jacking up the vehicle.

A trailer etc. is attached to the vehicle.

NOTICE:
When disconnecting the battery terminal, initialize the following system after the terminal is recon-
nected.

System Name

See Page

Back Door Power Window Control System

BE–77

DIDCF–01

F19439

Crankshaft
Position Sensor

Engine Room R/B No. 3

Engine Room J/B

Instrument
Panel J/B

STOP Fuse

IGN1 Fuse

ECU–IG Fuse

Stop Light
Switch

Combination Meter

Height Control Switch

Body ECU

ECM

Engine Room R/B No. 2

Suspension Control ECU

Translate ECU

4LO Switch

2WD/4HI Switch

Height Control Mode Select Switch

Ignition Switch

Height Control Indicator

Fusible Link Block

AIR SUS Fuse

AM2 Fuse

Height Control Manual Indicator

Center Diff. Lock Switch

DLC3

Vehicle Speed Sensor

Vehicle Speed Sensor

AIR SUS Relay

AIR SUS No. 2 Fuse

DI–696

–

DIAGNOSTICS

AIR SUSPENSION SYSTEM

890

LOCATION

F19440

Height Control
Cylinder Assy
(Pneumatic Cylinder)

Height Control Valve

Height Control Cylinder Assy
(Pneumatic Cylinder)

Door Courtesy Light Switch

Leveling Solenoid Valve

Gate Solenoid Valve

Door Courtesy Light Switch

Compressor/Height Control Dryer

Exhaust Solenoid Valve

Height Control Cleaner

Height Control
Sensor Sub–assy

Compressor Assy

Back Door Courtesy
Light Switch

–

DIAGNOSTICS

AIR SUSPENSION SYSTEM

DI–697

891

DIDCI–01

F19438

Height Control Sensor
Sub–assy

Height Control Mode
Select Switch

Body ECU

Stop Light Switch

Front Door Courtesy
Light Switch (Driver)

Front Door Courtesy
Light Switch
(Passenger)

Rear Door Courtesy
Light Switch (LH)

Rear Door Courtesy
Light Switch (RH)

Back Door Courtesy
Light Switch

Combination Meter

Leveling Solenoid Valve

AIR SUS Relay

DLC3

ECM

Translate ECU

Compressor/
Height Control Dryer

Exhaust Solenoid Valve

Height Control Valve

Compressor Assy

Gate Solenoid Valve

IG

B

BAT

SBL2

SHRL

SGL2

VN

HI
NR

LO

TD

UPSW

DWSW

Door

STP

SLRR

SLRL

RC

RM+
RM–

SLEX

SIL

CANH

CANL

CAN

Suspension
Control ECU

Height Control Switch

GND

From IG Switch

From Battery

From
Battery

DI–698

–

DIAGNOSTICS

AIR SUSPENSION SYSTEM

892

SYSTEM DIAGRAM