Isuzu KB P190. Manual — part 895

Engine Management – V6 – Service Operations

Page 6C1-3–56

3

Reinstall the throttle body bolts and tighten to the correct torque specification.

Throttle body assembly attaching bolt
torque specification . . . . . . . . ...8.0 – 12.0 Nm

After reinstalling the wiring harness
connector, ensure the connector latch (1) and
connector lock (2) have fully engaged.

4

Reinstall the wiring harness connector to the throttle
body, ensuring the connector latch and connector slide
have fully engaged.

5

Ensure the wiring harness is correctly routed and
attached securely in the throttle body harness
retaining clip (3).

Figure 6C1-3 – 74

6

Road test the vehicle and check for correct operation, taking particular note that no air leaks are evident.

Engine Management – V6 – Service Operations

Page 6C1-3–57

3 Specifications

Accelerator Pedal Position Sensor 1

Type . . . . . . . . . . . . . .Three wire potentiometer

Accelerator pedal at rest . . . . . . . . .. Less than 1.25 V

Accelerator pedal fully depressed . . . . . ...5.0 V maximum

Accelerator Pedal Position Sensor 2

Type . . . . . . . . . . . . . .Three wire potentiometer

Accelerator pedal at rest . . . . . . . . .. Less than 1.25 V

Accelerator pedal fully depressed . . . . . ...5.0 V maximum

Camshaft Position (CMP) Sensor

Type . . . . . . . . ... Hall effect, interrupted ring triggered

Air gap . . . . . . . . . . . . . . . . ... 0.1 – 1.8 mm

Air gap adjustment . . . . . . . . . . . ... No adjustment

Crankshaft Position (CKP) Sensor

Type . . . . . . . . . . . . . ...Inductive magnetic type

Coil resistance @ 20°C. . . . . . . . . . ..850 – 1040

Ω

Air gap . . . . . . . . . . . . . . . . ... 0.1 – 1.5 mm

Air gap adjustment . . . . . . . . . . . ... No adjustment

Engine Coolant Temperature Sensor
Type . . . . . . . . . . . . . . .. Negative

temperature

. . . . . . . . . . . . . . . . ... coefficient

thermistor

Engine Coolant Temperature Vs Resistance

Temperature °C

Resistance – Ohms (

Ω)

-40

40490 – 50136

-20

14096 – 16827

-10

8642 – 10152

0

5466 – 6326

20

2351 – 2649

25

1941 – 2173

40

1118 – 1231

60

573 – 618

80

313 – 332

100

182 – 191

120

109 – 116

140

68 – 74

Engine Management – V6 – Service Operations

Page 6C1-3–58

Engine Oil Level and Temperature Sensor

Level sensor type. . . . . . . . . ...Magnetic reed switch

Temperature sensor type . . . . . . .. Negative temperature

. . . . . . . . . . . . . . . . ... coefficient

thermistor

Engine Oil Temperature Vs Resistance

Temperature °C

Resistance – Ohms (

Ω)

0

7570 – 8000

20

2351 – 2649

30

2225 – 2375

40

1118 – 1231

50

1050 – 1150

80

380 – 470

100

270 – 290

Evaporative Emission (EVAP) Canister Purge Valve
Type . . . . . . . . . . . . . . . . . . . .. Solenoid

Resistance @ 20°C. . . . . . . . . . . . . ..24 – 28

Ω

Operating voltage. . . . . . . . . . . . ... 12.0 – 16.0 V

Engine Firing Order . . . . . . . . . . . . . . . . . . 1, 2, 3, 4, 5, 6

Fuel Injector
Type . . . . . . . . . . . . . . . . . . . .. Solenoid

Fuel Injector Resistance @ 20°C . . . . . . ...11.4 – 12.6

Ω

Heated Oxygen Sensor (HO2S) – Four wire

Type . . . . . . . . . . . . . ..Four wire, planar sensor

Operating range (greater than 360°C) . . . . .. 10 – 1000 mV

Closed loop operating range . . . . . . . . . 300 – 600 mV

Heater resistance @ 20°C . . . . . . . . . ...8.0 – 10.0

Ω

Heated Oxygen Sensor (HO2S) – Six Wire

Type . . . . . . . . . ... Six wire, wide band planar sensor

Heater resistance @ 20°C . . . . . . . . . ...8.0 – 10.0

Ω

Intake Air Temperature (IAT) Sensor
Type . . . . . . . . . . . . . . .. Negative

temperature

. . . . . . . . . . . . . . . . .. Coefficient

thermistor

Intake Air Temperature Vs Resistance

Temperature °C

Resistance – Ohms (

Ω)

-40

35140 – 43760

-20

12660 – 15120

-10

7943 – 9307

0

5119 – 5892

20

2290 – 2551

25 1900

–2100

40 1096

–1238

60

565 – 654

80

312 – 370

100

184 – 222

120 114

–141

Engine Management – V6 – Service Operations

Page 6C1-3–59

Intake Air Temperature Vs Resistance

Temperature °C

Resistance – Ohms (

Ω)

140 74

–93

Knock Sensor

Type . . . . . . . . . . . . . . Piezo ceramic element

Mass Air Flow Sensor

Type . . . . . . . . . . . . . ..Hot film air-mass sensor

Spark Plug

Type . . . . . . . . . . . . . . . . . . . . . J

gap

Gap . . . . . . . . . . . . . . . . . . 1.1 – 1.2 mm

Adjustment . . . . . . . . . . . . . . ... No

adjustment

Throttle Position Sensor 1

Type . . . . . . . . . . . . . .Three wire potentiometer

Closed throttle. . . . . . . . . . . . . Less than 1.25 V

Wide open throttle. . . . . . . . . . . ...5.0 V maximum

Throttle Position Sensor 2

Type . . . . . . . . . . . . . .Three wire potentiometer

Closed throttle. . . . . . . . . . . . . Less than 1.25 V

Wide open throttle. . . . . . . . . . . ...5.0 V maximum