Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 11

 

  Index      Ford     Isuzu D-Max / Isuzu Rodeo TFR/TFS series - service repair manual 1997-2003 year

 

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Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 11

 

 

4JA1-TC/4JH1-TC ENGINE DRIVEABILITY AND EMISSIONS

6E–39

45

45

Data Link Connector 
(No. 6)

BLU

Less than 1V

Battery voltage

Connect

DC V

45

GND

46

46

QWS Switch

BRN/RED

Less than 1V

Battery voltage when thermo switch 

is closed

Connect

DC V

46

GND

47

47

No Connection

-

-

-

-

-

-

-

-

-

48

48

No Connection

-

-

-

-

-

-

-

-

-

49

49

Throttle Position 
Sensor (TPS) Ground

RED/GRN

Idle: Approx. 

0.4k

Ω/ 

WOT: Approx. 

3.8k

Ω

-

-

-

Disconnect

Ω

38

49

50

50

No Connection

-

-

-

-

-

-

-

-

-

51

51

No Connection

-

-

-

-

-

-

-

-

-

52

52

No Connection

-

-

-

-

-

-

-

-

-

53

53

No Connection

-

-

-

-

-

-

-

-

-

54

54

No Connection

-

-

-

-

-

-

-

-

-

55

55

No Connection

-

-

-

-

-

-

-

-

-

56

56

No Connection

-

-

-

-

-

-

-

-

-

57

57

Throttle Position 
Sensor (TPS) Power 
Supply

BLK/GRN

Less than 1V

Approx. 5V

Connect

DC V

57

49

58

58

ECM Main Relay

BLU/BLK

Battery 
voltage

Less than 1V 

Connect

DC V

58

GND

59

59

No Connection

-

-

-

-

-

-

-

-

-

60

60

No Connection

-

-

-

-

-

-

-

-

-

61

61

No Connection

-

-

-

-

-

-

-

-

-

62

62

No Connection

-

-

-

-

-

-

-

-

-

63

63

ECM Power Supply

BLU/RED

Less than 1V

Battery voltage

Connect

DC V

63

GND

64

64

No Connection

-

-

-

-

-

-

-

-

-

65

65

Brake Switch 2 Signal

WHT/BLK

Less than 1V

Battery voltage when pedal is not 

stepped on

Connect

DC V

65

GND

66

66

No Connection

-

-

-

-

-

-

-

-

-

67

67

No Connection

-

-

-

-

-

-

-

-

-

68

68

Vehicle Speed Sensor 
(VSS) Via Speed Meter

BLU/WHT

-

Approx. 15Hz by wave form or 

approx. 5.8V at vehicle speed 

20km/h

Connect

AC V

68

GND

69

69

Idle Switch

GRN/BLK

Less than 1V

Approx. 5V when pedal is stepped on

Connect

DC V

69

GND

70

70

No Connection

-

-

-

-

-

-

-

-

-

71

71

No Connection

-

-

-

-

-

-

-

-

-

72

72

No Connection

-

-

-

-

-

-

-

-

-

73

73

No Connection

-

-

-

-

-

-

-

-

-

74

74

No Connection

-

-

-

-

-

-

-

-

-

75

75

No Connection

-

-

-

-

-

-

-

-

-

76

76

No Connection

-

-

-

-

-

-

-

-

-

77

77

No Connection

-

-

-

-

-

-

-

-

-

78

78

No Connection

-

-

-

-

-

-

-

-

-

79

79

No Connection

-

-

-

-

-

-

-

-

-

80

80

No Connection

-

-

-

-

-

-

-

-

-

81

81

No Connection

-

-

-

-

-

-

-

-

-

82

82

No Connection

-

-

-

-

-

-

-

-

-

83

83

Mass Air Flow (MAF) 
Sensor  Power Supply

WHT/RED

Less than 1V

Approx. 5V

Connect

DC V

83

92

Pin 
No. 

B/Box 

No.

Pin Function

Wire 

Color

Signal or Continuity

ECM 

Connection

Tester Position

Key SW Off

Key SW 

On

Engine 

Idle

Engine 

2000rpm

Range

(+)

(-)

6E–40

4JA1-TC/4JH1-TC ENGINE DRIVEABILITY AND EMISSIONS

84

84

Intake Air Temperature 
(IAT) Sensor Signal

BLK/BLU

Less than 1V

Approx. 2.5V at IAT 25°C

Connect

DC V

84

92

85

85

No Connection

-

-

-

-

-

-

-

-

-

86

86

No Connection

-

-

-

-

-

-

-

-

-

87

87

Neutral Switch

BLK/WHT

Less than 1V

Battery voltage at other than neutral 

Connect

DC V

87

GND

88

88

Mass Air Flow (MAF) 
Sensor Signal

GRN/RED

Less than 1V

Approx. 1V  Approx. 2V Approx. 3V

Connect

DC V

88

92

89

89

Engine Coolant 
Temperature (ECT) 
Sensor Signal

GRY

Less than 1V

Approx. 1.3V at ECT 80°C

Connect

DC V

89

93

90

90

TDC Sensor Signal

RED

-

-

Approx. 

47Hz by 

wave form 

or approx. 

0.7V at 

700rpm

Approx. 

133Hz by 

wave form 

or approx. 

1.0V

Connect

AC V

90

98

91

91

TDC Sensor Output To 
Pump Control Unit 
(PSG) No.8

PNK

-

-

Approx. 

47Hz by 

wave form

Approx. 

133Hz by 

wave form

-

-

-

-

92

92

Mass Air Flow (MAF) 
Sensor Ground

BLK/RED

Continuity 

with ground

-

-

-

Connect

Ω

92

GND

93

93

Engine Coolant 
Temperature (ECT) 
Sensor Ground

BLK/PNK

Continuity 

with ground

-

-

-

Connect

Ω

93

GND

94

94

Glow Relay

BLK/BLU

Less than 1V

Battery voltage when glow system is 

not activated

Connect

DC V

94

GND

95

95

No Connection

-

-

-

-

-

-

-

-

-

96

96

No Connection

-

-

-

-

-

-

-

-

-

97

97

EGR EVRV

BLK/ORG

-

Approx. 140Hz by wave 

form when EVRV is 

activated

-

-

-

-

98

98

TDC Sensor Ground

WHT

Continuity 

with ground

-

-

-

Connect

Ω

98

GND

99

99

CAN (Controller Area 
Network) to PSG No.1

RED

-

-

-

-

-

-

-

-

100

100

CAN (Controller Area 
Network) to PSG No.2

WHT

-

-

-

-

-

-

-

-

101

101

TDC Sensor Shield 
Line

-

Continuity 

with ground

-

-

-

Connect

Ω

101

GND

102

102

No Connection

-

-

-

-

-

-

-

-

-

103

103

No Connection

-

-

-

-

-

-

-

-

-

104

104

No Connection

-

-

-

-

-

-

-

-

-

105

105

Fuel Cutoff Solenoid 
Valve (MAB) Output 
Signal to PSG No.5

ORG -

Wave 

form

-

-

-

-

Pin 
No. 

B/Box 

No.

Pin Function

Wire 

Color

Signal or Continuity

ECM 

Connection

Tester Position

Key SW Off

Key SW 

On

Engine 

Idle

Engine 

2000rpm

Range

(+)

(-)

4JA1-TC/4JH1-TC ENGINE DRIVEABILITY AND EMISSIONS

6E–41

PSG CONNECTOR PIN ASSIGNMENT & OUTPUT SIGNAL (4JA1-TC)

View Looking Into PSG Case

Pin 
No. 

B/Box 

No.

Pin Function

Wire 

Color

Signal or Continuity

PSG 

Connection

Tester Position

Key SW Off

Key SW 

On

Engine 

Idle

Engine 

2000rpm

Range

(+)

(-)

1

99

CAN (Controller Area 
Network) to ECM 
No.99

RED

Continuity 

between ECM 

& PSG

-

-

-

Disconnect

Ω

1

99

2

100

CAN (Controller Area 
Network) to ECM 
No.100

WHT

Continuity 

between ECM 

& PSG

-

-

-

Disconnect

Ω

2

100

3

-

No Connection

-

-

-

-

-

-

-

-

-

4

-

No Connection

-

-

-

-

-

-

-

-

-

5

105

Solenoid Valve Shut 
Off (MAB) Output 
Signal to ECM No.105

ORG Continuity 

between ECM 

& PSG

-

-

-

Disconnect

Ω

5

105

6

-

Ground

BLK

Continuity 

with ground

-

-

-

Disconnect

Ω

6

GND

7

3

Battery Power Supply

BLU/RED

Continuity 

between ECM 

& PSG

-

-

-

Disconnect

Ω

7

3

8

91

TDC Sensor Output 
ECM No.91 To Pump 
Control Unit (PSG)

PNK

Continuity 

between ECM 

& PSG

-

-

-

Disconnect

Ω

8

91

9

-

No Connection

-

-

-

-

-

-

-

-

-

6E–42

4JA1-TC/4JH1-TC ENGINE DRIVEABILITY AND EMISSIONS

ECM CONNECTOR PIN ASSIGNMENT & OUTPUT SIGNAL (4JH1-TC)

View Looking Into ECM Case

Pin 
No. 

B/Box 

No.

Pin Function

Wire 

Color

Signal or Continuity

ECM 

Connection

Tester Position

Key SW Off

Key SW 

On

Engine 

Idle

Engine 

2000rpm

Range

(+)

(-)

1

1

ECM Ground

BLK

Continuity 

with ground

-

-

-

Disconnect

Ω

1

GND

2

2

ECM Ground

BLK

Continuity 

with ground

-

-

-

Disconnect

Ω

2

GND

3

3

Battery Power Supply

BLU/RED

Less than 1V

Battery voltage 

Connect

DC V

3

GND

25

25

No Connection

-

-

-

-

-

-

-

-

-

26

26

No Connection

-

-

-

-

-

-

-

-

-

27

27

Engine Speed Output 
(To Tacho Meter)

BLU/RED

-

-

Approx. 

23Hz by 

wave form 

or approx. 

7.2V 

Approx. 

68Hz by 

wave form 

or approx. 

7.5V 

Connect

AC V

27

GND

28

28

No Connection

-

-

-

-

-

-

-

-

-

29

29

Throttle Position Signal 
(AT Only)

BLK/RED

-

Approx. 140Hz by wave form (Idle: 

Off duty 10% WOT: Off duty 90%)

-

-

-

-

30

30

Brake Switch 1 Signal

RED

Less than 1V

Battery voltage when pedal is 

stepped on

Connect

DC V

30

GND

31

31

Clutch Switch Signal 
(MT Only)

YEL

Less than 1V

Battery voltage when pedal is not 

stepped on

Connect

DC V

31

GND

32

32

No Connection

-

-

-

-

-

-

-

-

-

33

33

A/C Thermo Relay

GRN

Less than 1V

Battery voltage when A/C request 

switch is turned on

Connect

DC V

33

GND

34

34

No Connection

-

-

-

-

-

-

-

-

-

35

35

Immobiliser Control 
Unit (ICU B8)

RED/BLU

-

Wave form

-

-

-

-

36

36

No Connection

-

-

-

-

-

-

-

-

-

37

37

No Connection

-

-

-

-

-

-

-

-

-

38

38

Throttle Position 
Sensor (TPS) Output 
Signal

GRN/

ORG

Less than 1V

Less than 1V

Approx. 1V

Connect

DC V

38

49

39

39

Key Switch Input Signal 
Via Engine Fuse

BLU/YEL

Less than 1V

Battery voltage

Connect

DC V

39

GND

40

40

No Connection

WHT/BLK

-

-

-

-

-

-

-

-

41

41

A/C Compressor Relay

BRN/RED

Less than 1V

Battery 
voltage

Battery voltage when A/

C compressor is not 

activated

Connect

DC V

41

GND

42

42

Check Engine Lamp

RED/YEL

Less than 1V

Battery voltage when lamp is turned 

off

Connect

DC V

42

GND

43

43

Glow Lamp

ORG/BLU

Less than 1V

Battery voltage when lamp is turned 

off

Connect

DC V

43

GND

44

44

No Connection

-

-

-

-

-

-

-

-

-

 

 

 

 

 

 

 

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