sensor ISUZU TF SERIES 2004 Workshop Manual

6E–8 ENGINE DRIVEABILITY AND EMISSIONS
1234
(1)
(2)Injector #1 Cylinder
Injector #2 Cylinder (3)
(4)Injector #3 Cylinder
Injector #4 Cylinder (Under the ECM)
(1) Ignition Coil Module Assembly
(1) Heated Ox ygen Sensor (HO2S)

ENGINE DRIVEABILITY AND EMISSIONS 6E–9
(1) Crankshaft Position (CKP) Sensor(1) Knock Sensor (KS)
(1)
(2)Engine Coolant Temperature (ECT) Sensor
Thermo Meter Sensor
21
(1) Manifold Absolute Pressure (MAP) Sensor
(1)
(2)Throttle Position Sensor
Idle Air Control (IAC) Valve
2
1
(1) EVAP Purge Solenoid

6E–10 ENGINE DRIVEABILITY AND EMISSIONS
(1) Canister(1)
(2)Fuel Tank
Fuel Pump
2 1
(1)
(2)Vehicle Speed Sensor (VSS)
Transmission Assembly
12
(1)
(2)Power Steering Pressure Switch
Power Steering Oil Pump Assembly
12

6E–28 ENGINE DRIVEABILITY AND EMISSIONS
CONNECTOR LIST
No. Connector face No. Connector face
B-24
Green Meter-BC-122
CO Adjuster
B-58
Black Check connectorE-6
Fuel injector
B-62
White Ignition switch (IGSUB : G1)E-7
Fuel injector
B-63
White Ignition switch (IGSUB : G2)E-8
Fuel injector
B-68
ImmobilizerE-9
Fuel injector
C-2
Silver Engine room-RH groundE-18
Ignition coil
C-56
ECME-60
ECM
C-107
White J/B E2E-72
Engine earth-A
C-108
White J/B E1E-74
Engine earth-B
C-121
IAT sensorE-77
O
2 sensor

ENGINE DRIVEABILITY AND EMISSIONS 6E–29
No. Connector face No. Connector face
E-84
Knock sensorP-1
Silver Battery (+)
E-85
MAP sensorP-2
Silver Relay & Fuse box
F-2
White Fuel pump & sensorP-5
Silver Battery (-)
H-4
White Engine room ~ MissionP-6
Silver Body earth (Ground)
H-6
White Engine room ~ INSTP-10
Silver Engine ground
H-7
White Engine room ~ INSTX-2
Black Relay; Fuel pump
H-9
Blue Engine room ~ ChassisX-11
Black Relay; Heater
H-18
White Engine room ~ INSTX-14
Black Relay; A/C Compressor
H-31
Engine room ~ Mission
H-34
Engine ~ Engine room

ENGINE DRIVEABILITY AND EMISSIONS 6E–31
RELAY A ND FUSE BOX LOCATION (LHD & RHD)
RELAY & FUSE BOX
RELAY
No. Relay Name
X-1 RELAY; TAIL LIGHT
X-2 RELAY; FUEL PUMP
X-3 RELAY; HORN
X-4 RELAY; DIMMER
X-5 RELAY; FRT FOG
LIGHT (LHD only)
X-6 RELAY; STARTER
X-7 RELAY; COND, FAN
X-8—
X-9—
X-10—
X-11 RELAY; HEATER
X-12 RELAY; HEAD LIGHT
X-13—
X-14 RELAY; A/C COMP
X-15 RELAY; THERMO
FUSE
NO. Fuse Name
EB-1 15A ECM
EB-2—
EB-3 15A FRT FOG
EB-4 15A ACG (S)
EB-5 10A ILLUMI
EB-6 10A TAIL
EB-7 10A H/LIGHT-RH
10A H/LIGHT-RH-LOW
EB-8 10A H/LIGHT-LH
10A H/LIGHT-LH-LOW
(LHD only)
EB-9 20A FUEL PUMP
EB-10 10A O
2 SENSOR
EB-11 10A H/LIGHT-RH-
HIGH (LHD only)
EB-12 10A H/LIGHT-LH-
HIGH (LHD only)
EB-13 10A A/C
EB-14—
EB-15 10A HORN
EB-16 10A HAZARD
SLOW BLOW FUSE
NO. Slow Blow Fuse Name FUSE NO. Slow Blow Fuse Name
SBF-1 100A MAIN SBF-6—
SBF-2—SBF-7—
SBF-3—SBF-8 30A BLOWER
SBF-4 20A COND, FAN SBF-9 50A IG 2
SBF-5 40A IG 1

6E–42 ENGINE DRIVEABILITY AND EMISSIONS
ECM CONNECTOR PIN ASSIGNMENT & OUTPUT SIGNAL
Connector J1 Port: View Looking Into ECM Case
1
1716
32
PIN16 PIN1
PIN17PIN3
2
Pin
No. B/
Box
No.P in FunctionWire
ColorSignal or Continuity
ECM
ConnectionTester Position
Key SW
OffKey SW
OnEngine
IdleEngine
2000rpmRange (+) (-)
J1-1 J1-1 Ground BLK/
WH TContinuity
with
gro und- - - Disconnect
J1-1 GND
J1-2 J1-2 Ground BLK/
WH TContinuity
with
gro und- - - Disconnect
J1-2 GND
J1-3 J1-3 Knock Sensor Signal YEL Less than
1V--- ----
J1 -4 J1 -4 No Co n ne ct io n - - - - - - - - -
J1-5 J1-5 Caniste r Purge
So le no id Valv e RED/
YELLess tha n
1VWav e fo rm G or 12-14V Co nnect DC V J1-5 GND
J1-6 J1-6 Cra nkshaft Positio n
(CKP) Se nsor (Ground)RED Approx .
0.58k
- - - Disconnect
J1-6 J1-21
J1-7 J1-7 Throttle Po sition
Se nsor (TPS) Output
SignalBLU Less tha n
1VAppro x 0.7V Appro x
0.8VCo nnect DC V J1-7 J1-32
J1-8 J1-8 No. 3 Injecto r GRN/
BLKLess tha n
1VWav e fo rm E o r 12-14V Co nnect DC V J1-8 GND
J1-9 J1-9 No. 1 Injecto r GRN/
WH TLess tha n
1VWav e fo rm E o r 12-14V Co nnect DC V J1-9 GND
J1-10 J1-10 No Connection - - - - - - - - -
J1-11 J1-11 No. 4 Injecto r GRN Less tha n
1VWav e fo rm E o r 12-14V Co nnect DC V J1-11 GND
J1-12 J1-12 No Connection - - - - - - - - -
J1-13 J1-13 Idle Air Contro l Va lv e
(IACV) Co il B HighBLU/
REDLess tha n
1VLess than 1V / 10-14V Connect DC V J1-13 GND
J1-14 J1-14 No Connection - - - - - - - - -
J1-15 J1-15 Throttle Po sition
Se nsor (TPS) Po wer
Supply RED Less tha n
1VApprox. 5V Connect DC V J1-15 J1-32
J1-16 J1-16 MAP Senso r Gro und GRN Continuity
with
gro und- - - Connect
J1-16 GND
J1-17 J1-17 Ground BLK/
WH TContinuity
with
gro und- - - Connect
J1-17 GND
J1-18 J1-18 Coil Mo dule 2 (No. 2 &
3 Cylinde r)BLU - - Wa v e form F - - - -
J1-19 J1-19 Coil Mo dule 1 (No. 1 &
4 Cylinde r)GRN - - Wa v e form F - - - -
J1-20 J1-20 No Connection - - - - - - - - -

ENGINE DRIVEABILITY AND EMISSIONS 6E–43
J1-21 J1-21 Crankshaft Position
(CKP) Se nsor Signa lWHT - - Wave form
or approx.
3.7VWa v e f o r m
A o r
approx.
7.8VCo nnect AC V J1-21 J1-6
J1-22 J1-22 No.2 Injecto r GRN/
WH TLess tha n
1VWav e fo rm E o r 12-14V Co nnect DC V J1-22 GND
J1-23 J1-23 No Connection - - - - - - - - -
J1-24 J1-24 MAP Sensor Signal GRY Less than
1VApprox.
4.8VApprox.
1.3VApprox.
0.9VCo nnect DC V J1-24 J1-16
J1-25 J1-25 No Connection - - - - - - - - -
J1-26 J1-26 No Connection - - - - - - - J1-26 -
J1-27 J1-27 Engine Coo la nt Temp.
(ECT) Se nsor Signa lGRY Less tha n
1V
20
: Approx. 2.4V / 40
: Approx . 1.4V or
4.1V / 60
: Approx . 3.3V / 80
: Approx .
2.5VCo nnect DC V J1-27 J1-32
J1-28 J1-28 Idle Air Contro l Va lv e
(IACV) Co il A HighBLU Less tha n
1VLess than 1V / 10-14V Connect DC V J1-28 GND
J1-29 J1-29 Idle Air Contro l Va lv e
(IACV) Co il B LowBLU/
BLKLess tha n
1VLess than 1V / 10-14V Connect DC V J1-29 GND
J1-30 J1-30 Idle Air Contro l Va lv e
(IACV) Co il A LowBLU/
WH TLess tha n
1VLess than 1V / 10-14V Connect DC V J1-30 GND
J1-31 J1-31 MAP Sensor Power
SupplyRED Less tha n
1VAppro x.. 5V Co nnect DC V J1-31 J1-16
J1-32 J1-32 ECT Sensor, Knock
Se nsor, Thro ttle
Po sitio n Senso r GroundGRN Continuity
with
gro und- - - Connect
J1-32 GND Pin
No. B/
Box
No.P in FunctionWire
ColorSignal or Continuity
ECM
ConnectionTester Position
Key SW
OffKey SW
OnEngine
IdleEngine
2000rpmRange (+) (-)

6E–44 ENGINE DRIVEABILITY AND EMISSIONS
Connector J2 Port: View Looking Into ECM Case
1
1716
32
PIN32
PIN1 PIN17
PIN16
Pin
No. B/
Box
No.Pin FunctionWire
ColorSignal or Continuity
ECM
ConnectionTester Position
Key SW
OffKey SW
OnEngine
IdleEngine
2000rpmRange (+) (-)
J2-1 J2-1 Inta ke Air Temp. (IAT)
Sensor GroundGRN Continuity
with
ground- - - Disconnect
J2-1 GND
J2-2 J2-2 Batte ry Powe r Supply RED/
WH T10-14V Co nnect DC V J2-2 GND
J2-3 J2-3 Ignitio n Powe r Supply BLU/
YELLess than
1V10-14V Connect DC V J2-3 GND
J2-4 J2-4 To Da ta Link
Conne ctor No. 6BLU - - - - - - - -
J2-5 J2-5 No Connection - - - - - - - - -
J2-6 J2-6 Oxy ge n Se nsor
(Ground)PNK Continuity
with
ground- - - Connect
J2-6 GND
J2-7 J2-7 No Connection - - - - - - - - -
J2-8 J2-8 No Connection - - - - - - - - -
J2-9 J2-9 No Connection - - - - - - - - -
J2-10 J2-10 CO Adjust Signa l
(W/O Cata ly stic
Converter)YEL - - - - - - - -
J2-11 J2-11 Fuel Pump Re la y GRN/
WH T10-14V
While relay
is activated;
10-14V
R elay is no t
activated;
Less than
1V10-14V Connect DC V J2-11 GND
J2-12 J2-12 No Connection - - - - - - - - -
J2-13 J2-13 A/C Compre sso r
RelayGRY/
REDLess than
1VA/C comp. is operated: Less than 1V
A/C comp. is not operated: 10-14VCo nnect DC V J2-13 GND
J2-14 J2-14 No Connection - - - - - - - - -
J2-15 J2-15 No Connection - - - - - - - - -
J2-16 J2-16 No Connection - - - - - - - - -
J2-17 J2-17 CO Adjust (W/O
Cata ly stic Conv erter)RED - - - - - - - -
J2-18 J2-18 Batte ry Powe r Supply RED/
WH T10-14V Co nnect DC V J2-18 GND
J2-19 J2-19 No Connection - - - - - - - - -
J2-20 J2-20 Pow er Ste ering
Pressure SwitchGRN/
YELLess than
1V
Pressure switch is turned on: Less than 1V
Pressure switch is turned off: 10-14VCo nnect DC V J2-20 GND
J2-21 J2-21 Oxygen Sensor BLU Less than
1VApprox .
0.4VWave form D or 0.1 -
0.9V Co nnect DC V J2-21 J2-6
J2-22 J2-22 Inta ke Air Temp. (IAT)
Sensor (Signa l)YEL/
GRNLess than
1V
20
: Approx. 2.9V / 40
: Approx . 1.8V V
/ 60
: Approx. 1.1V / 80
: Approx . 0.6VCo nnect DC V J2-22 33

ENGINE DRIVEABILITY AND EMISSIONS 6E–45
J2-23 J2-23 Vehicle Speed Sensor
(VSS) Signal
(Immobilize r Co ntrol
Unit Terminal B8)WHT - - Wave form C or Approx.
6.5V at 20km/hCo nnect AC V J2-23 GND
J2-24 J2-24 No Connection - - - - - - - - -
J2-25 J2-25 Ta cho me te r Output
Signa lBLK/
RED- - Wa v e f o r m Wa v e f o r m
B or
Approx.
4.5VCo nnect AC V J2-25 GND
J2-26 J2-26 Thermo Relay GRN/
BLKLess than
1V
A/C request is activ ated: 10-14V
A/C request is not activated: Less than 1VCo nnect DC V J2-26 GND
J2-27 J2-27 No Connection - - - - - - - - -
J2-28 J2-28 No Connection - - - - - - - - -
J2-29 J2-29 No Connection - - - - - - - - -
J2-30 J2-30 To Da ta Link
Conne ctor No. 2GRN - - - - - - - -
J2-31 J2-31 Oxy ge n Se nso r He ater BLU/
WH TContinuity
with
ground- Wave
FormWa v e
Form DConnect
J2 -31 GND
J2-32 J2-32 Check Engine Lamp
(Immobilize r Co ntrol
Unit Terminal B7)BRN/
YELLess than
1VLess than
1VLa mp is turne d on: Less
than 1V
Lamp is turne d off: 10-
14VCo nnect DC V J2-32 GND Pin
No. B/
Box
No.Pin FunctionWire
ColorSignal or Continuity
ECM
ConnectionTester Position
Key SW
OffKey SW
OnEngine
IdleEngine
2000rpmRange (+) (-)