Toyota FJ Cruiser (GSJ 10, 15 series). Instruction — part 248
IT–2
1GR-FE INTAKE – INTAKE SYSTEM
IT
SYSTEM DIAGRAM
ECM
MREL
ACIS
No. 1 Vacuum Switching
Valve Assembly
1
5
3
2
EFI
20A
EFI
10A EFI
No. 2
Battery
A126468E01
1GR-FE INTAKE – INTAKE SYSTEM
IT–3
IT
ON-VEHICLE INSPECTION
1.
INSPECT INTAKE AIR CONTROL FUNCTION
(a) Remove the V-bank cover.
(b) Warm up the engine.
(c) Turn the ignition switch OFF.
(d) Connect the intelligent tester to the DLC3.
(e) Start the engine and allow it to idle.
(f)
Turn the intelligent tester ON.
(g) Select the following menu items: DIAGNOSIS /
ENHANCED OBD II / ACTIVE TEST / INTAKE CTL
VSV1 / ON.
(1) Check that the intake air control valve is pulled
out.
If the intake air control valve does not operate,
replace the VSV for ACIS or intake air surge
tank.
(h) Select the following menu items: DIAGNOSIS /
ENHANCED OBD II / ACTIVE TEST / INTAKE CTL
VSV1 / OFF.
(1) Check that the intake air control valve is
returned to its original position.
If the intake air control valve does not operate,
replace the VSV for ACIS or intake air surge
tank.
Vacuum Switching Valve Assembly
(VSV for ACIS)
Intake Air Control
Valve Assembly
A075983E03
Intelligent Tester
DLC3
CAN VIM
A129958E01
IT–4
1GR-FE INTAKE – INTAKE SYSTEM
IT
(i)
Select the following menu items: DIAGNOSIS /
ENHANCED OBD II / DATA LIST / ENGINE SPD,
THROTTLE POS, INTAKE CTL VSV1, and INTAKE
CTL VSV2.
(1) When depressing the accelerator pedal to the
60 % accelerator opening angle and running
the engine at a speed of 2,200 to 4,100 rpm,
check that the VSV for ACIS is ON.
If the intake air control valve does not operate,
replace the VSV for ACIS.
(2) Under the conditions described in step (1), or
while the engine is idling, release the
accelerator pedal and check that the VSV for
ACIS is OFF.
If the intake air control valve does not operate,
replace the VSV for ACIS.
2.
INSPECT INTAKE AIR CONTROL VALVE
(a) Remove the V-bank cover (See page
(b) Using a 3-way connector, connect a vacuum gauge
to the actuator hose.
(c) Start the engine.
(d) While the engine is idling, check that the vacuum
gauge needle momentarily fluctuates up to
approximately 39.9 kPa (300 mmHg, 11.8 in.Hg).
(The actuator rod is pulled out.)
If the intake air control valve does not operate,
replace the intake air surge tank.
(e) Rapidly depress the accelerator pedal to the fully
open position and check that the vacuum gauge
needle points to 0 kPa (0 mmHg, 0 in.Hg). (The
actuator rod is returned to its original position.)
If the intake air control valve does not operate,
replace the intake air surge tank.
Vacuum Gauge
Pull
Actuator Rod
A076648E04
1GR-FE INTAKE – VACUUM SWITCHING VALVE
IT–5
IT
ENGINE
1GR-FE INTAKE
VACUUM SWITCHING VALVE
COMPONENTS
AIR CLEANER ASSEMBLY
NO. 1 VACUUM SWITCHING
VALVE ASSEMBLY
V-BANK COVER
N*m (kgf*cm, ft*lbf) : Specified torque
8.0 (82, 71 in.*lbf)
9.0 (92, 80 in.*lbf)
8.0 (82, 71 in.*lbf)
7.5 (76, 66 in.*lbf)
x2
NO. 2 VENTILATION HOSE
VACUUM HOSE
VACUUM HOSE
A126384E01
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