Isuzu KB P190. Manual — part 823

Engine Management – V6 – Diagnostics

Page 6C1-2–14

Engine Control Module Connector C-56

Figure 6C1-2 – 6

Terminal / Pin

Wire Colour

Circuit

Description

Function

C-56–1

P/Y

PWRTRN_HI_2

Ignition Voltage 1

C-56–2

GR/Y

O2_HTR_3

B1S2 O2 Sensor Heater Control (Bank 1 Sensor 2)

C-56–3

P/L

RUN/CRANK

Ignition Voltage 1

C-56–4

Not

Used

C-56–5

Not

Used

C-56–6

Not

Used

C-56–7

W/B

5VDC4

5 Volt Reference 4

C-56–8

V

5VGD4

Low Reference Ground 4

C-56–9

G/B

AC-PRES

A/C Refrigerant Pressure Sensor Signal

C-56–10

R

STOP_SW

Stop Lamp Switch Signal

C-56–11

B/R

AIR_TMP

IAT Sensor Signal

C-56–12

Not

Used

C-56–13

Not

Used

C-56–14

Not

Used

C-56–15

Not

Used

C-56–16

Not

Used

C-56–17

P/L

PWRTRN_HI_1

Ignition Voltage 1

C-56–18

O/W

O2_HTR_4

B2S2 O2 Sensor Heater Control (Bank 2 Sensor 2)

C-56–19

R/L

FLPMP

Fuel Pump Relay Control

C-56–20

BR

FAN_CTL

Cooling Fan Control

C-56–21

Not

Used

C-56–22

B/Y

SPD_4K

Vehicle Speed (VSS)

C-56–23

BR/B

CAN_HI_2

GMLAN Serial Data Bus – High

C-56–24

L/R

PWRTRN_LO

Engine Control Relay Control

C-56–25

B/Y

5VGD7

Low Reference – Ground 7

C-56–26

BR/W

5VDG1

Low Reference – Ground 1

C-56–27

Not

Used

Engine Management – V6 – Diagnostics

Page 6C1-2–15

C-56–28

Not

Used

C-56–29

V

HI_SIG_3

B1S2 O2 Sensor High Signal (Bank 1 Sensor 2)

C-56–30

Not

Used

C-56–31 R/W CRANK_REQ

Crank

Voltage

C-56–32

B

PRKNEU

Park/Neutral Switch Signal

C-56–33

Not

Used

C-56–34

Not

Used

C-56–35

Y

START_RLY

Starter Relay Coil Control

C-56–36

BR/R

BATT +

Battery Positive Voltage

C-56–37

Not

Used

C-56–38

PU

SDI

Data Link Connector (DLC) Serial Data

C-56–39

R

5VDC1

5 Volt Reference 1

C-56–40

BR

5VGD5

Low Reference – Ground 5

C-56–41

P

RTN_4

B2S2 O2 Sensor Low Signal (Bank 2 Sensor 2)

C-56–42

Y/R

FUEL_LVL1

Fuel Level Sensor Signal

C-56–43

Y

MAF

MAF Sensor Signal

C-56–44

Y

PED_POS_2

APP Sensor 2 Signal

C-56–45

Not

Used

C-56–46

GR/R

CRU_ETC_TCC

Brake Switch (S220 – ‘C’) Cruise Cancel Signal

C-56–47

Not

Used

C-56–48

Not

Used

C-56–49

GR/R

AC_CLU

A/C Compressor Clutch Relay Control

C-56–50

BR/Y

MIL

Malfunction indicator Lamp

C-56–51

Not

Used

C-56–52

Not

Used

C-56–53

BR

CRCTL_CLU_SW

Clutch Switch (S42) Cruise Cancel Signal

C-56–54

Not

Used

C-56–55

R/G

CAN_LO_2

GMLAN Serial Data Bus – Low

C-56–56

BR/Y

5VDC3

5 Volt Reference 3

C-56–57

BR/R

RTN_3

B1S2 O2 Sensor Low Signal (Bank 1 Sensor 2)

C-56–58 R/Y

ACC

Accessory

Voltage

C-56–59

Not

Used

C-56–60

L

PED_POS_1

APP Sensor 1 Signal

C-56–61

V

HI_SIG_4

B2S2 O2 Sensor High Signal (Bank 2 Sensor 2)

C-56–62

Not

Used

C-56–63

Not

Used

C-56–64

Not

Used

Engine Management – V6 – Diagnostics

Page 6C1-2–16

3.3

Engine Control Connector End Views

Figure 6C1-2 – 7

Engine Management – V6 – Diagnostics

Page 6C1-2–17

Figure 6C1-2 – 8