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Toyota FJ Cruiser (GSJ 10, 15 series). Instruction - part 20

1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM

ES–35

IGF1 (B1-24) - E1 (B3-1)

W-R - BR

Ignition coil with igniter
(ignition confirmation
signal)

Ignition switch ON

4.5 to 5.5 V

Idling

Pulse generation

(see waveform 6)

PRG (B1-34) - E01 (B1-7)

G-Y - BR

Purge VSV

Ignition switch ON

11 to 14 V

Idling

Pulse generation

(see waveform 7)

SPD (E46-8) - E1 (B3-1)

V-R - BR

Speed signal from
combination meter

Ignition switch ON, Rotate
driving wheel slowly

Pulse generation

(see waveform 8)

STA (B3-11) - E1 (B3-1)

B-Y - BR

Starter signal

Cranking

11 to 14 V

STP (E47-15) - E1 (B3-1)

G-Y - BR

Stop light switch

Brake pedal depressed

7.5 to 14 V

Brake pedal released

Below 1.5 V

ST1- (E47-16) - E1 (B3-1)

R-L - BR

Stop light switch (opposite
to STP terminal)

Ignition switch ON, Brake
pedal depressed

Below 1.5 V

Ignition switch ON, Brake
pedal released

7.5 to 14 V

NSW (B2-8) - E1 (B3-1)

L-Y - BR

Park/Neutral position
switch

Ignition switch ON, Shift
lever position in P or N

Below 3.0 V

Ignition switch ON, Shift
lever position other than P
and N

11 to 14 V

M+ (B1-5) - ME01 (B2-3)

P - W-B

Throttle motor

Idling with warm engine

Pulse generation

(see waveform 9)

M- (B1-4) - ME01 (B2-3)

L - W-B

Throttle motor

Idling with warm engine

Pulse generation

(see waveform 10)

FC (E47-10) - E1 (B3-1)

GR-B - BR

Fuel pump control

Ignition switch ON

11 to 14 V

FPR (B3-30) - E1 (B3-1)

Y-B - BR

Fuel pump control

Ignition switch ON

11 to 14 V

W (E46-30) - E1 (B3-1)

R-B - BR

MIL

Ignition switch ON

Below 3.0 V

Idling

11 to 14 V

ELS (E46-13) - E1 (B3-1)

Y-B - BR

Electric load

Defogger or taillight switch
OFF

0 to 1.5 V

Defogger or taillight switch
ON

7.5 to 14 V

ELS2 (E46-12) - E1 (B3-1)

Y-G - BR

Electric load

Voltage inverter OFF

0 to 1.5 V

Voltage inverter ON

7.5 to 14 V

TC (E47-23) - E1 (B3-1)

P-L - BR

Terminal TC of DLC 3

Ignition switch ON

11 to 14 V

TACH (E46-1) - E1 (B3-1)

B-W - BR

Engine speed

Idling

Pulse generation

(see waveform 11)

ACIS (B1-33) - E1 (B3-1)

W-L - BR

VSV for ACIS

Ignition switch ON

11 to 14 V

PSW (B3-10) - E1 (B3-1)

G-W - BR

P/S pressure switch

Ignition switch ON

11 to 14 V

VPMP (E47-5) - E1 (B3-1)

R-G - BR

Vent valve
(built into canister pump
module)

Ignition switch ON

11 to 14 V

MPMP (E47-6) - E1 (B3-1)

O - BR

Leak detection pump
(built into canister pump
module)

Leak detection pump OFF

0 to 3 V

Leak detection pump ON

11 to 14 V

PPMP (E47-22) - E2 (B1-28)

R - W-G

Canister pressure sensor
(built into canister pump
module)

Ignition switch ON

3 to 3.6 V

F/PS (E46-32) - E1 (B3-1)

L - BR

Airbag sensor assembly

Idling with warm engine

Pulse generation

(see waveform 12)

CANH (E46-33) - E1 (B3-1)

W - BR

CAN communication line

Ignition switch ON

Pulse generation

(see waveform 13)

CANL (E46-34) - E1 (B3-1)

R - BR

CAN communication line

Ignition switch ON

Pulse generation

(see waveform 14)

Symbols (Terminal No.)

Wiring Colors

Terminal Descriptions

Conditions

STD Voltages

ES–36

1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM

: The ECM terminal voltage is constant regardless of the

output voltage from the sensor.

WAVEFORM 1
Camshaft timing oil control valve (OCV)

HINT:
The wavelength becomes shorter as the engine rpm
increases.

WAVEFORM 2
Heated oxygen sensor

HINT:
In the DATA LIST, item O2S B1S2 or O2S B2S2 shows
the ECM input values from the heated oxygen sensor.

WAVEFORM 3
Fuel injector

HINT:
The wavelength becomes shorter as the engine rpm
increases.

WAVEFORM 4
Knock sensor

HINT:
•

The wavelength becomes shorter as the engine rpm
increases.

•

The waveforms and amplitudes displayed on the
tester differ slightly depending on the vehicle.

1 msec./DIV.

5 V/DIV.

Ground

A093229E07

ECM Terminal Names

Between OC1+ and OC1- or OC2+ and OC2-

Tester Ranges

5 V/DIV, 1 msec./DIV

Conditions

Idling

0.2 V/DIV.

Ground

200 msec./DIV.

A088863E02

ECM Terminal Names

Between OX1B and E2 or OX2B and E2

Tester Ranges

0.2 V/DIV, 200 msec./DIV

Conditions

Engine speed maintained at 2,500 rpm for 2
minutes after warming up sensor

30 V/DIV.

20 msec./DIV.

Ground

G035622E03

ECM Terminal Names

Between #10 (to 60) and E01

Tester Ranges

30 V/DIV, 20 msec./DIV

Conditions

Idling

KNK1 Signal Waveform

1 msec./ DIV.

Ground

1V/ DIV.

A085286E23

ECM Terminal Names

Between KNK1 and EKNK or KNK2 and EKN2

Tester Ranges

1 V/DIV, 0.01 to 1 msec./DIV

Conditions

Engine speed maintained at 4,000 rpm after
warming up engine

1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM

ES–37

WAVEFORM 5
(a) VVT sensor
(b) Crankshaft position sensor

HINT:
The wavelength becomes shorter as the engine rpm
increases.

WAVEFORM 6
(a) Igniter IGT signal (from ECM to igniter)
(b) Igniter IGF signal (from igniter to ECM)

HINT:
The wavelength becomes shorter as the engine rpm
increases.

WAVEFORM 7
Purge VSV

HINT:
If the waveform is not similar to the illustration, check the
waveform again after idling for 10 minutes or more.

WAVEFORM 8
Vehicle speed signal

HINT:
The wavelength becomes shorter as the vehicle speed
increases.

WAVEFORM 9
Throttle actuator positive terminal

HINT:
The duty ratio varies depending on the throttle actuator
operation.

VV1

VV2

DIV.

20 msec./DIV.(Idling)

GND

(a)

(b)

2 V/

VV1, VV2 and NE Signal Waveforms

G035795E14

ECM Terminal Names

(a) Between NE+ and NE-
(b) Between VV1+ and VV1- or VV2+ and VV2-

Tester Ranges

2 V/DIV, 20 msec./DIV

Conditions

Idling

(a)

(b)

2 V/DIV.

Ground

20 msec./DIV.

IGT and IGF Signal Waveforms

G035664E03

ECM Terminal Names

(a) Between IGT (1 to 6) and E1
(b) Between IGF1 and E1

Tester Ranges 2

2 V/DIV, 20 msec./DIV

Conditions

Idling

10 V/DIV.

50 msec./DIV.

GND

A116415E02

ECM Terminal Names

Between PRG and E01

Tester Ranges

10 V/DIV, 50 msec./DIV

Conditions

Idling

2 V/DIV.

Ground

20 msec./DIV.

A093224E02

ECM Terminal Names

Between SPD and E1

Tester Ranges

2 V/DIV, 20 msec./DIV

Conditions

Driving at 12 mph (20 km/h)

5 V/DIV.

Ground

1 msec./DIV.

A093274E02

ECM Terminal Names

Between M+ and ME01

Tester Ranges

5 V/DIV, 1 msec./DIV

Conditions

Idling with warm engine

ES–38

1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM

10. WAVEFORM 10

Throttle actuator negative terminal

HINT:
The duty ratio varies depending on the throttle actuator
operation.

11. WAVEFORM 11

Engine speed signal

HINT:
The wavelength becomes shorter as the engine rpm
increases.

12. WAVEFORM 12

Airbag sensor assembly

13. WAVEFORM 13

CAN communication signal (Reference)

HINT:
The wavelength varies depending on the CAN
communication signal.

14. WAVEFORM 14

CAN communication signal (Reference)

HINT:
The wavelength varies depending on the CAN
communication signal.

5 V/DIV.

Ground

1 msec./DIV.

A093275E02

ECM Terminal Names

Between M- and ME01

Tester Ranges

5 V/DIV, 1 msec./DIV

Conditions

Idling with warm engine

5 V/DIV.

Ground

10 msec./DIV.

A093225E03

ECM Terminal Names

Between TACH and E1

Tester Ranges

5 V/DIV, 10 msec./DIV

Conditions

Idling

5 V/DIV.

Ground

500 msec./DIV.

A093227E03

ECM Terminal Names

Between F/PS and E1

Tester Ranges

5 V/DIV, 500 msec./DIV

Conditions

Idling with warm engine

1 V/DIV.

GND

Ǵsec./DIV.

A086154E01

ECM Terminal Names

Between CANH and E1

Tester Ranges

1 V/DIV, 10

µsec./DIV

Conditions

Ignition switch ON

GND

1 V/DIV.

10 Ǵsec./DIV.

A086155E06

ECM Terminal Names

Between CANL and E1

Tester Ranges

1 V/DIV, 10

µsec./DIV

Conditions

Ignition switch ON

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