Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 198

ENGINE DRIVEABILITY AND EMISSIONS

6E–33

ECM WIRING DIAGRAM (7/9)

Manifold
Absolute
Pressure(MAP) Sensor

Crankshaft
Position(CKP)
                 Sensor

µP

0.5
GRY/
BLU

J1-16

0.5
GRY/
RED

J1-24

0.5
YEL/
RED

J1-31

0.5
BLK/
WHT

J1-1

0.5
BLK/
WHT

J1-2

0.5
BLK/
WHT

J1-17

0.5
BLK

J1-6

0.5
WHT

J1-21

INLET
MANIFOLD

5 Volts
Reference

Engine
Control
Module
(ECM)

6E–34

ENGINE DRIVEABILITY AND EMISSIONS

ECM WIRING DIAGRAM (8/9)

µP

0.5
GRY

J1-27

+5V

µP

µP

5Volts
Reference

Knock
Sensor

0.5
YEL

0.5
WHT/
BLU

J1-7

0.5
BLU/
PNK

J1-32

0.5
BLK/
YEL

J1-15

J1-3

Engine
Coolant
Temperature(ECT)
                   Sensor

Throttle
Position Sensor

Knock Filter
Module

Engine
Control
Module
(ECM)

ENGINE DRIVEABILITY AND EMISSIONS

6E–35

ECM WIRING DIAGRAM (9/9)

Battery
Voltage

A/C
10A

COMPRESSOR
RELAY

0.5
BRN/
YEL

0.5
GRY/
RED

J2-13

0.5
GRN/
BLK

J2-26

MAGNETIC
CLUTCH

µP

A/C PRESSURE S/W

THERMO
RELAY

µP

Engine
Control
Module
(ECM)

6E–36

ENGINE DRIVEABILITY AND EMISSIONS

ECM CONNECTOR PIN ASSIGNMENT & OUTPUT SIGNAL

Connector J1 Port: View Looking Into ECM Case

1

17

16
32

PIN16

PIN1

PIN17

PIN32

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

(+)

(-)

J1-1

1

Ground

BLK/WHT

Continuity 

with 

ground

-

-

-

Disconnect

Ω

1

GND

J1-2

2

Ground

BLK/WHT

Continuity 

with 

ground

-

-

-

Disconnect

Ω

2

GND

J1-3

3

Knock Sensor Signal

YEL

-

-

-

-

-

-

-

-

J1-4

4

No  Connection

-

-

-

-

-

-

-

-

-

J1-5

5

Canister Purge 
Solenoid Valve 

GRN/

WHT

Less than 

1V

Battery 
voltage

Wave form/ battery 

voltage while solenoid 

is not activated

Connect

DC V

5

GND

J1-6

6

Crankshaft Position 
(CKP) Sensor 
(Ground)

BLK Continuity 

with 

ground

-

-

-

Connect

Ω

6

GND

J1-7

7

Throttle Position 
Sensor (TPS) Output 
Signal

WHT/BLU

Approx. 6.0k

Ω at idle / 

Approx. 1.7k

Ω at WOT 

Approx. 2.3k

Ω at idle / 

Approx. 6.6k

Ω at WOT

-

-

Disconnect

Ω

7

15 /                  

32

J1-8

8

No. 3 Injector

BLU/WHT

Less than 

1V

Battery 
voltage

Wave form

Connect

DC V

8

GND

J1-9

9

No. 1 Injector

PNK/BLU

Less than 

1V

Battery 
voltage

Wave form

Connect

DC V

9

GND

J1-10

10

No  Connection

-

-

-

-

-

-

-

-

-

J1-11

11

No. 4 Injector

BLU/YEL

Less than 

1V

Battery 
voltage

Wave form

Connect

DC V

11

GND

J1-12

12

No  Connection

-

-

-

-

-

-

-

-

-

J1-13

13

Idle Air Control Valve 
(IACV) Coil B High

YEL/BLU

Less than 

1V

Less than 1V / Battery voltage

Connect

DC V

13

GND

J1-14

14

No  Connection

-

-

-

-

-

-

-

-

-

J1-15

15

Throttle Position 
Sensor (TPS) Power 
Supply 

BLK/YEL

Less than 

1V

Approx. 5V

Connect

DC V

15

32

J1-16

16

MAP Sensor Ground 

GRY/BLU

Continuity 

with 

ground

-

-

-

Connect

Ω

16

GND

J1-17

17

Ground

BLK/WHT

Continuity 

with 

ground

-

-

-

Connect

Ω

17

GND

J1-18

18

Coil Module No. 1 & 
No.4

BLU Less 

than 

1V

Battery 
voltage

Wave form

Connect

DC V

18

GND

J1-19

19

Coil Module No. 2 & 
No. 3

GRN

Less than 

1V

Battery 
voltage

Wave form

Connect

DC V

19

GND