Isuzu KB P190. Manual - part 878

Engine Management – V6 – Diagnostics 

Page 6C1-2–234 

 

A/C Disengagement 1st History 

Refer List Below 

High 

Pressure  

Engine Speed 

A/C Disengagement 2nd History 

Refer List Below 

High 

Pressure  

High Pressure 

A/C Disengagement 3rd History 

Refer List Below 

High 

Pressure  

High Pressure 

A/C Disengagement 4th History 

Refer List Below 

High 

Pressure  

High Pressure 

A/C Disengagement 5th History 

Refer List Below 

High 

Pressure  

High Pressure 

A/C Disengagement 6th History 

Refer List Below 

High 

Pressure  

High Pressure 

A/C Disengagement 7th History 

Refer List Below 

High 

Pressure  

High Pressure 

A/C Disengagement 8th History 

Refer List Below 

High 

Pressure  

High Pressure 

Start Up ECT (Engine Coolant Temperature) 

°C 

37 34 

Start Up IAT (Intake Air Temperature) 

°C 

–48 30 

Engine Load 

% 

100 

19 

Volumetric Efficiency 

% 

99 

13 

Spark Advance 

°CA 

0 

13 

Knock Retard 

°CA 

0 

0 

Engine Speed 

RPM 

0 

601 

Vehicle Speed 

km/h 

0 

0 

Engine Runtime 

h:m:s 

00:00:00 

00:19:15 

A/C Disengagement History Units 

High Pressure / Engine Speed / Low Battery / Stall Prevention / Full Load / Performance / Engine Temp / Not Present 

Cruise Control Data 

Tech 2 Display 

Units Displayed 

Ignition On 

Engine Running

Cruise Control Switch 

Inactive / Active 

Inactive  

Inactive  

Cruise Control Active 

No / Yes 

No 

No 

Cruise Set / Decel Switch 

Inactive / Active 

Inactive 

Inactive 

Cruise Resume/Acceleration Switch 

Inactive / Active 

Inactive 

Inactive 

Cruise Control Disengagement Reason 

Refer List Below 

Brake 

Brake 

CC Disengagement 1st History (Cruise Control) 

Refer List Below 

Brake 

Brake 

CC Disengagement 2nd History (Cruise Control) 

Refer List Below 

Brake 

Brake 

CC Disengagement 3rd History (Cruise Control) 

Refer List Below 

Brake 

Brake 

CC Disengagement 4th History (Cruise Control) 

Refer List Below 

Brake 

Brake 

CC Disengagement 5th History (Cruise Control) 

Refer List Below 

Brake 

Brake 

CC Disengagement 6th History (Cruise Control) 

Refer List Below 

Brake 

Brake 

CC Disengagement 7th History (Cruise Control) 

Refer List Below 

Brake 

Brake 

CC Disengagement 8th History (Cruise Control) 

Refer List Below 

Brake 

Brake 

Engine Management – V6 – Diagnostics 

Page 6C1-2–235 

 

Vehicle Speed 

km/h 

0 

0 

Brake Lamp Switch 

Inactive / Active 

Inactive 

Inactive 

Brake Switch Signal Status 

Valid / Invalid 

Valid 

Valid 

Initial Brake Apply Signal 

Inactive / Active 

Inactive 

Inactive 

Calculated Pedal Position 

% 

0 

0 

Desired Throttle Position 

% 

4 

1 

Calculated Throttle Position 

% 

5 

1 

Engine Speed 

RPM 

0 

599 

(1) 

Actual Gear 

-1- / -2- / -3- / -4- / -

5- / -P/N- / -R- /  

-Invalid- 

-P/N- -P/N- 

Cruise Control Disengagement Reason Units 

Brake / Cancel / Clutch Diseng / Coasting / Throttle Control / Max. Acceleration / High Decel / High Speed / Illegal 
Mode / Low Speed / Not Present / Off / OverSpeed / PCM / Command Error / Ignition Off / Data Error / System Error / 
Engine Runtime / Engine Speed / DTCs Set / Injection Stop / First Gear / Accel Pedal Pos / Voltage Low / Manual 
Neutral / Over Limit 

(1)

  Automatic Transmission Only 

(2)

  Manual Transmission Only 

Electrical/Theft Data 

Tech 2 Display 

Units Displayed 

Ignition On 

Engine Running

Ignition On Signal 

Off / On 

On 

On 

Ignition Accessory Signal 

Off / On 

On 

On 

Engine Control Ignition Relay 

Off / On 

On 

On 

Engine Control Ignition Relay Feedback 

V 

11.6 

14.2 

Crank Request 

Inactive / Active 

Inactive 

Inactive 

Starter Relay 

Off / On 

Off 

Off 

(1) 

Transmission Gear  

P/N / In Gear 

P-N 

P-N 

(1) 

Actual Gear 

-1- / -2- / -3- / -4- / -

5- / -P/N- / -R- /  

-Invalid- 

-P/N- -P/N- 

1) 

Actual Gear 

Valid / Invalid 

Valid 

Valid 

Alternator L Terminal Duty Cycle 

% 

0 

99 

Engine Speed 

RPM 

0 

599 

ECM Immobilized 

No / Yes 

No 

No 

(1)

  Automatic Transmission Only 

(2)

  Manual Transmission Only 

Instrument Data 

Tech 2 Display 

Units Displayed 

Ignition On 

Engine Running

Ignition On Signal 

Off / On 

On 

On 

Ignition Accessory Signal 

Off / On 

On 

On 

Vehicle Speed 

km/h 

0 

0 

Engine Speed 

RPM 

0 

593 

Engine Management – V6 – Diagnostics 

Page 6C1-2–236 

 

(1) 

Actual Gear 

-1- / -2- / -3- / -4- / -

5- / -P/N- / -R- /  

-Invalid- 

-P/N- -P/N- 

Coolant Temperature 

°C 

36 105 

Fuel Level 

L 

17 

11 

Fuel Level Sensor 

V 

2.37 

2.39 

Engine Oil Pressure Sensor 

Low / High 

High 

High 

Engine Oil Pressure 

kPa 

24 

120 

Oil Level 

Normal / Low 

Normal 

Normal 

Oil Temperature Sensor 

°C 

34 89 

Malfunction Indicator (MI) 

Off / On / Flashing 

On 

Off 

Cruise Control Active 

No / Yes 

No 

No 

Reduced Engine Power 

Inactive / Active 

Inactive 

Inactive 

ECM Immobilized 

No / Yes 

No 

No 

(1)

  Automatic Transmission Only 

(2)

  Manual Transmission Only 

ODM Data (Output Driver Module) 

Tech 2 Display 

Units Displayed 

Ignition On 

Engine Running

A/C Relay Status 

OK / Fault / 

Undefined Status 

Undefined 

Status 

Undefined 

Status 

Cylinder 1 Injector Circuit Status 

OK / Fault / 

Undefined Status 

Undefined 

Status 

OK 

Cylinder 2 Injector Circuit Status 

OK / Fault / 

Undefined Status 

Undefined 

Status 

OK 

Cylinder 3 Injector Circuit Status 

OK / Fault / 

Undefined Status 

Undefined 

Status 

OK 

Cylinder 4 Injector Circuit Status 

OK / Fault / 

Undefined Status 

Undefined 

Status 

OK 

Cylinder 5 Injector Circuit Status 

OK / Fault / 

Undefined Status 

Undefined 

Status 

OK 

Cylinder 6 Injector Circuit Status 

OK / Fault / 

Undefined Status 

Undefined 

Status 

OK 

EVAP Purge Solenoid Valve Circuit Status (Evaporative 
Emission) 

OK / Fault / 

Undefined Status 

Undefined 

Status 

OK 

Fuel Pump Relay Circuit Status 

OK / Fault / 

Undefined Status 

Undefined 

Status 

Undefined 

Status 

B1S1 O2 Sensor Heater Circuit Status (Bank 1 Sensor 1)

OK / Fault / 

Undefined Status 

Undefined 

Status 

Undefined 

Status 

B1S2 O2 Sensor Heater Circuit Status (Bank 1 Sensor 2)

OK / Fault / 

Undefined Status 

Undefined 

Status 

Undefined 

Status 

B2S1 O2 Sensor Heater Circuit Status (Bank 2 Sensor 1)

OK / Fault / 

Undefined Status 

Undefined 

Status 

Undefined 

Status 

B2S2 O2 Sensor Heater Circuit Status (Bank 2 Sensor 2)

OK / Fault / 

Undefined Status 

Undefined 

Status 

Undefined 

Status 

Malfunction Indicator (MI) Circuit Status 

OK / Fault / 

Undefined Status 

Undefined 

Status 

Undefined 

Status 

Engine Management – V6 – Diagnostics 

Page 6C1-2–237 

 

Starter Relay Circuit Status 

OK / Fault / 

Undefined Status 

Undefined 

Status 

Undefined 

Status 

Engine Runtime 

h:m:s 

00:00:00 

00:23:02 

(1)

  Automatic Transmission Only 

(2)

  Manual Transmission Only 

Misfire Data 

Tech 2 Display 

Units Displayed 

Ignition On 

Engine Running

Cycles of Misfire 

Counts 

0 

0 – 3000 

(Increments) 

Total Misfire 

Counts 

0 

0 

Misfire Current Cyl. #1 

Counts 

0 

0 

Misfire Current Cyl. #2 

Counts 

0 

0 

Misfire Current Cyl. #3 

Counts 

0 

0 

Misfire Current Cyl. #4 

Counts 

0 

0 

Misfire Current Cyl. #5 

Counts 

0 

0 

Misfire Current Cyl. #6 

Counts 

0 

0 

Misfire History Cyl. #1 

Counts 

0 

0 

Misfire History Cyl. #2 

Counts 

0 

0 

Misfire History Cyl. #3 

Counts 

0 

0 

Misfire History Cyl. #4 

Counts 

0 

0 

Misfire History Cyl. #5 

Counts 

0 

0 

Misfire History Cyl. #6 

Counts 

0 

0 

A/C Relay (Air Conditioning) 

Off / On 

Off 

Off 

Barometric Pressure 

kPa 

102 

102 

B1 Catalyst Temperature (Bank 1) 

°C 

300 

300 

B2 Catalyst Temperature (Bank 2) 

°C 

300 

300 

Catalyst Protection Mode 

Inactive / Active 

Inactive 

Inactive 

(1) 

Transmission Gear 

P-N / In Gear 

P-N 

P-N 

Coolant Temperature 

°C 

36 

101 

Engine Load 

% 

100 

19 

Engine Oil Pressure 

kPa 

24 

120 

Engine Runtime 

h:m:s 

00:00:00 

00:37:48 

Ignition On Signal 

Off / On 

On 

On 

Injection Time Cylinder 1 

ms 

0.0 

1.9 

Injection Time Cylinder 2 

ms 

0.0 

1.9 

Injection Time Cylinder 3 

ms 

0.0 

1.9 

Injection Time Cylinder 4 

ms 

0.0 

1.9 

Injection Time Cylinder 5 

ms 

0.0 

1.9 

Injection Time Cylinder 6 

ms 

0.0 

1.9 

B1 Average Injection Time (Bank 1) 

ms 

0.0 

1.9