Toyota FJ Cruiser (GSJ 10, 15 series). Instruction — part 20
1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES–35
ES
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
ES
*
1
: The ECM terminal voltage is constant regardless of the
output voltage from the sensor.
1.
WAVEFORM 1
Camshaft timing oil control valve (OCV)
HINT:
The wavelength becomes shorter as the engine rpm
increases.
2.
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.
3.
WAVEFORM 3
Fuel injector
HINT:
The wavelength becomes shorter as the engine rpm
increases.
4.
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
ES
5.
WAVEFORM 5
(a) VVT sensor
(b) Crankshaft position sensor
HINT:
The wavelength becomes shorter as the engine rpm
increases.
6.
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.
7.
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.
8.
WAVEFORM 8
Vehicle speed signal
HINT:
The wavelength becomes shorter as the vehicle speed
increases.
9.
WAVEFORM 9
Throttle actuator positive terminal
HINT:
The duty ratio varies depending on the throttle actuator
operation.
NE
VV1
VV2
DIV.
20 msec./DIV.(Idling)
GND
GND
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
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
ES
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
10
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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