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