Toyota FJ Cruiser (GSJ 10, 15 series). Instruction - part 114

1GR-FE ENGINE CONTROL SYSTEM  –  SFI SYSTEM

ES–411

ES

Result

HINT:
*: An intelligent tester cannot communicate with the 
ECM.

B

A

(a) See the combination meter troubleshooting procedure 

(See page 

ME-9

).

NG

OK

Result

Proceed To

Engine starts

A

Engine does not start*

B

GO TO VC OUTPUT CIRCUIT (See page 

ES-

389

)

6

INSPECT COMBINATION METER ASSEMBLY (MIL CIRCUIT)

REPAIR OR REPLACE BULB OR 
COMBINATION METER ASSEMBLY

CHECK AND REPAIR HARNESS AND CONNECTOR (COMBINATION METER - ECM)

1GR-FE ENGINE CONTROL SYSTEM  –  MASS AIR FLOW METER

ES–407

ES

ENGINE

1GR-FE ENGINE CONTROL SYSTEM

MASS AIR FLOW METER

COMPONENTS

MASS AIR FLOW METER

V-BANK COVER

N*m (kgf*cm, ft*lbf)  : Specified torque

7.5 (76, 66 in.*lbf)

A126405E01

ES–408

1GR-FE ENGINE CONTROL SYSTEM  –  MASS AIR FLOW METER

ES

ON-VEHICLE INSPECTION

NOTICE:
•

Perform the MAF meter inspection according to the 
procedures below.

•

Only replace the MAF meter when both the LONG 
FT#1 value and MAF value in the DATA LIST (with the 
engine stopped) are not within the normal operating 
range.

1.

INSPECT MASS AIR FLOW METER
(a) Perform the confirmation driving pattern.

(1) Connect the intelligent tester to the DLC3.
(2) Turn the ignition switch ON.
(3) Turn the intelligent tester ON.
(4) Clear the DTCs (see page 

ES-38

).

(5) Start the engine and warm it up with all 

accessory switches OFF (until the engine 
coolant temperature is 75

°C (167°F) or more).

(6) Drive the vehicle at 31 mph (50 km/h) or more 

for 3 or more *1.

(7) Let the engine idle (accelerator pedal fully 

released) for 2 minutes or more *2.

(8) Perform steps *1 and *2 at least 3 times.

(b) Read the value using intelligent tester (LONG 

FT#1).
(1) Select the following menu items: DIAGNOSIS / 

ENHANCED OBD II / DATA LIST / PRIMARY / 
LONG FT#1.

(2) Read the values displayed on the tester.

Standard value:

Within -15 to +15 %

Intelligent Tester

DLC3

CAN VIM

A129958E01

(Vehicle Speed)

31 mph (50 km/h)

Warming up

Idling

Ignition Switch OFF

*1: 3 minutes or more

*2: 2 minutes or more

*1

*1

*1

*2

*2

*2

A116436E17

1GR-FE ENGINE CONTROL SYSTEM  –  MASS AIR FLOW METER

ES–409

ES

If the result is not within the specified range, 
perform the inspection below.

(c) Read the value using intelligent tester (MAF).

NOTICE:
•

Turn off the engine.

•

Perform the inspection with the vehicle 
indoors and on a level surface.

•

Perform the inspection of the MAF meter 
while it is installed in the air cleaner case 
(installed on the vehicle).

•

During the test, do not use the exhaust air 
duct to perform suction on the exhaust pipe.

(1) Turn the ignition switch to ACC.
(2) Turn the ignition switch ON (do not run the 

engine).

(3) Turn the tester ON.
(4) Select the following menu items: DIAGNOSIS / 

ENHANCED OBD II / DATA LIST / PRIMARY / 
MAF.

(5) Wait 30 seconds, and read the values on the 

intelligent tester.
Standard condition:

Less than 0.72 g/sec

•

If the result is not as specified, replace the 
MAF meter.

•

If the result is within the specified range, 
inspect the cause of the extremely rich or 
lean air fuel ratio.