2004 ISUZU TF SERIES Workshop Manual

ABS instrument panel turn signal four wheel drive air bleeding navigation system

Page 1425 of 4264

ISUZU TF SERIES 2004 Workshop Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–53
ECM CONNECTOR PIN ASSIGNMENT & OUTPUT SIGNAL
4JA1-TC ECM CONNECTOR PIN ASSIGNMENT & OUTPUT SIGNA L
View Looking Into ECM Case
Signal or Continuity T

Page 1426 of 4264

ISUZU TF SERIES 2004 Workshop Manual 6E–54 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
41 41 A/C Compresso r
Re la yWH T/
GRNLess than
1V10-14V A/C comp. is operated:
L e s s t h a n 1 V
A/C comp

6E–54 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
41 41 A/C Compresso r
Re la yWH T/
GRNLess than
1V10-14V A/C comp. is operated:
L e s s t h a n 1 V
A/C comp. is not oper-
ated: 10 - 14VCo nnect DC V 41 GND
42 42 Che ck Engine La mp GRN/
YELLess than
1VLamp is turned on: Less than 1V
Lamp is turned off: 10-14VCo nnect DC V 42 GND
43 43 Glow La mp ORG/
BLULess than
1VLamp is turned on: Less than 1V
Lamp is turned off: 10-14VCo nnect DC V 43 GND
44 44 No Conne ctio n - - - - - - - - -
45 45 To Da ta Link Co nnec-
to r No . 6BLU Less than
1V10-14V Co nnect DC V 45 GND
46 46 No Conne ctio n - - - - - - - - -
47 47 No Conne ctio n - - - - - - - - -
48 48 No Conne ctio n - - - - - - - - -
49 49 Throttle Po sitio n Sen-
so r (TPS) Gro undBLK/
GRNIdle :
Approx.
0.4K ohm /
WOT:
Approx.
4.0K ohm---Discon-
ne ctOhm 38 49
50 50 No Conne ctio n - - - - - - - - -
51 51 No Conne ctio n - - - - - - - - -
52 52 No Conne ctio n - - - - - - - - -
53 53 No Conne ctio n - - - - - - - - -
54 54 No Conne ctio n - - - - - - - - -
55 55 No Conne ctio n - - - - - - - - -
56 56 No Conne ctio n - - - - - - - - -
57 57 Throttle Po sitio n Sen-
sor (TPS) Po wer Sup-
plyRED/
GRNLess than
1VAppro x . 5V Co nnect DC V 57 49
58 58 ECM Re lay BLU/
BLK10-14V Less than 1V Connect DC V 58 GND
59 59 No Conne ctio n - - - - - - - - -
60 60 No Conne ctio n - - - - - - - - -
61 61 No Conne ctio n - - - - - - - - -
62 62 No Conne ctio n - - - - - - - - -
63 63 ECM Power Supply Less than
1V10-14V - DC V 63 GND
64 64 No Conne ctio n - - - - - - - - -
65 65 Bra ke Switch 2 Signa l WHT/
BLKLess than
1VPedal is not stepped on: 10-14V
Pedal is stepped on: Less than 1VCo nnect DC V 65 GND
66 66 No Conne ctio n - - - - - - - - -
67 67 No Conne ctio n - - - - - - - - -
68 68 Vehicle Spe ed Se n-
so r (VSS)YEL/
GRN- Approx . 14.5Hz by wav e fo rm or
approx. 6.0V at vehicle speed 20km/hCo nnect AC V 68 GND
69 69 Idle Switch GRN/
BLKLess than
1VPedal is not stepped on: Less than 1V
Pedal is stepped on: Approx. 5VCo nnect DC V 69 GND
70 70 No Conne ctio n - - - - - - - - -
71 71 No Conne ctio n - - - - - - - - -
72 72 No Conne ctio n - - - - - - - - -
73 73 No Conne ctio n - - - - - - - - -
74 74 No Conne ctio n - - - - - - - - -Signal or Continuity Tester Position
Pin
No. B/Box
No.Pin Function Wire
ColorKey SW
OffKey SW
OnEngine
IdleEngine
2000rpmECM
Connec-
tionRange (+) (-)

Page 1427 of 4264

ISUZU TF SERIES 2004 Workshop Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–55
75 75 No Conne ctio n - - - - - - - - -
76 76 No Conne ctio n - - - - - - - - -
77 77 No Conne ctio n - - - - - - - - -
78 78 No Conne ctio n - - -

4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–55
75 75 No Conne ctio n - - - - - - - - -
76 76 No Conne ctio n - - - - - - - - -
77 77 No Conne ctio n - - - - - - - - -
78 78 No Conne ctio n - - - - - - - - -
79 79 No Conne ctio n - - - - - - - - -
80 80 No Conne ctio n - - - - - - - - -
81 81 No Conne ctio n - - - - - - - - -
82 82 No Conne ctio n - - - - - - - - -
83 83 Ma ss Air Flo w (MAF)
Se nso r Po wer SupplyWH T/
REDLess than
1VAppro x . 5V Co nnect DC V 83 92
84 84 Intake Air Tempera-
ture (IAT) Sensor Sig-
na lBLK/
BLULess than
1V0 deg. C: Approx. 3.6V / 20 deg. C:
Approx. 2.6V / 40 deg. C: Approx.
1.7V / 60 deg. C: 1.1V / 80 deg. C:
0.7VCo nnect DC V 84 92
85 85 No Conne ctio n - - - - - - - - -
86 86 No Conne ctio n - - - - - - - - -
87 87 Neutral Switch BLK/
WH TLess than
1VIn neutral: Less than 1V
Other than neutral: 10-14VCo nnect DC V 87 GND
88 88 Ma ss Air Flo w (MAF)
Se nso r SignalGRN/
REDLess than
1VAppro x . 1V Appro x .
1.8VApprox.
2.5VCo nnect DC V 88 92
89 89 Engine Coolant Tem-
perature (ECT) Sen-
so r S ig na lGRY Less than
1V0 deg. C: Approx. 4.4V / 20 deg. C:
Approx. 3.8V / 40 deg. C: Approx.
2.9V / 60 deg. C: 2.1V / 80 deg. C:
1.4VCo nnect DC V 89 93
90 90 CKP Se nso r Signal RED - - Appro x .
47Hz by
w a v e fo rm Approx.
134Hz by
wave form
or approx.
1.1VCo nnect AC V 90 98
91 91 CKP Senso r Output
To Pump Co ntrol Unit
(PSG) No.8PNK - - Appro x .
47Hz by
w a v e fo rm Approx.
134Hz by
wave form
or approx.
0.7VCo nnect AC V 91 GND
92 92 Ma ss Air Flo w (MAF)
Se nsor GroundBLK/
REDContinuity
with
gro und- - - Connect Ohm 92 GND
93 93 Engine Coolant Tem-
perature (ECT) Sen-
so r Gro undBLK/
PNKContinuity
with
gro und- - - Connect Ohm 93 GND
94 94 Glo w Relay BLK/
REDLess than
1VGlow system is operated: Less than
1 V
Glow system is not operated: 10 - 14VCo nnect DC V 94 GND
95 95 No Conne ctio n - - - - - - - - -
96 96 No Conne ctio n - - - - - - - - -
97 97 EGR EVRV BLK/
ORG- - Approx. 140Hz by wave
fo rm whe n EVRV is
operated----
98 98 CKP Se nsor Ground WHT Continuity
with
gro und- - - Connect Ohm 98 GND
99 99 CAN (Contro ller Are a
Ne two rk) to PSG No .1BLU--------
100 100 CAN (Contro ller Are a
Ne two rk) to PSG No .2YEL--------Signal or Continuity Tester Position
Pin
No. B/Box
No.Pin Function Wire
ColorKey SW
OffKey SW
OnEngine
IdleEngine
2000rpmECM
Connec-
tionRange (+) (-)

Page 1428 of 4264

ISUZU TF SERIES 2004 Workshop Manual 6E–56 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
101 101 CKP Se nso r Shie ld
LineBLK Continuity
with
gro und- - - Connect Ohm 101 GND
102 102 No Connection - - - - - - - - -
103 103 No Connecti

Page 1429 of 4264

ISUZU TF SERIES 2004 Workshop Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–57
PSG CONNECTOR PIN ASSIGNMENT & OUTPUT SIGNAL
View Looking Into PSG Case
Signal or Continuity Tester Position
Pin
No. B/
Box
No.Pin Function Wire

Page 1430 of 4264

ISUZU TF SERIES 2004 Workshop Manual 6E–58 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
4JH1-TC ECM CONNECTOR PIN ASSIGNMENT & OUTPUT SIGNA L
View Looking Into ECM Case
Signal or Continuity Tester Position
Pin
No. B/
Box
No.Pin Functi

Page 1431 of 4264

ISUZU TF SERIES 2004 Workshop Manual 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–59
3737No Connection---------
38 38 Throttle Po sitio n
Se nso r (TPS) Out-
put Signa lGRN/
ORGLe ss
tha n 1VLess than 1V Approx.
0.5VCo nnect DC

Page 1432 of 4264

ISUZU TF SERIES 2004 Workshop Manual 6E–60 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
63 63 ECM Po wer Supply - Le ss
tha n 1V10-14V - DC V 63 GND
6464No Connection---------
65 65 Bra ke Switch 2 Sig-
na lWH T/
BLKLe ss
tha n 1VP

6E–60 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
63 63 ECM Po wer Supply - Le ss
tha n 1V10-14V - DC V 63 GND
6464No Connection---------
65 65 Bra ke Switch 2 Sig-
na lWH T/
BLKLe ss
tha n 1VPedal is not stepped on: 10-14V
Pe da l is ste ppe d o n: Le ss tha n 1VCo nnect DC V 65 GND
6666No Connection---------
6767No Connection---------
68 68 Ve hicle Spe ed Sen-
sor (VSS)YEL/
GRN- Appro x. 14.5Hz by wa ve fo rm or
approx. 6.0V at vehicle speed
20km/hCo nnect AC V 68 GND
69 69 Idle Switch GRN/
BLKLe ss
tha n 1VPedal is not stepped on: Less than
1V
Pedal is stepped on: Approx. 5VCo nnect DC V 69 GND
7070No Connection---------
7171No Connection---------
7272No Connection---------
7373No Connection---------
7474No Connection---------
7575No Connection---------
7676No Connection---------
7777No Connection---------
7878No Connection---------
7979No Connection---------
8080No Connection---------
8181No Connection---------
82 82 Boo st Pre ssure Sen-
so r (High Altitude
Spe c. Onl y )WH T/
BLULe ss
tha n 1VApprox. 5V Connect DC V 82 93
83 83 Ma ss Air Flow (MAF)
Se nso r Po wer Sup-
plyWH T/
REDLe ss
tha n 1VApprox. 5V Connect DC V 83 92
84 84 Intake Air Tempera-
ture (IAT) Se nso r
SignalBLK/
BLULe ss
tha n 1V0 deg. C: Approx. 3.6V / 20 deg. C:
Approx. 2.6V / 40 deg. C: Approx.
1.7V / 60 deg. C: 1.1V / 80 deg. C:
0.7VCo nnect DC V 84 92
85 85 Manifo ld Pre ssure
Se nsor (High Alti-
tude Spe c. Only)RED/
BLULe ss
tha n 1V- - - Co nnect DC V 85 93
8686No Connection---------
87 87 Neutra l Switch BLK/
WH TLe ss
tha n 1VIn neutral (A/T: P or N): Less than
1 V
Othe r tha n neutra l (A/T: o ther tha n
P o r N): 10-14VCo nnect DC V 87 GND
88 88 Ma ss Air Flow (MAF)
Sensor SignalGRN/
REDLe ss
tha n 1VAppro x.
1V Approx .
1.8VApprox.
2.5VCo nnect DC V 88 92 Signal or Continuity Tester Position
Pin
No. B/
Box
No.Pin Function Wire
ColorKey SW
OffKey SW
OnEngine
IdleEngine
2000rpmECM
Connec-
tionRan
ge(+) (-)

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