HINO EBS EURO5

HINO ZF ASTRONIC DTC

ZF INTARDER HINO

DTC CODE HINO-500 A09 

ABNORMAL PRESSURE DIFFERENCE
[ATMOSPHERIC PRESSURE & INTAKE AIR PRESSURE]

(DTC CODE P0069 / DIAGNOSIS MONITOR CODE A5)

1.Inspecting atmospheric pressure and intake air pressure

1. Turn the starter key to the "ON" position and display the ECU data monitor according to the Hino-DX screen display to read the atmospheric pressure and intake air pressure.

   Standard value:
   101 kPa (Normal atmospheric pressure on the flat ground)

    
   • Variable depending on altitude.
    

   Result of activation	step
   Only intake air pressure is abnormally high	Go to YES
   Only atmospheric pressure is abnormally high	Go to NO

 

NO Replace the engine ECU

YES Proceed to [2] Measuring voltage between terminals

2.Measuring voltage between terminals

1. Measure voltage between the 1st and 2nd terminals of the intake air pressure sensor connector.
    

   Standard value
   When negative pressure of 40 kPa is applied on the flat ground: 0.1-0.7 V
   When open to the ambient air (atmospheric pressure at 101.3 kPa): 0.8-1.5 V
   When positive pressure of 70 kPa is applied on the flat ground (absolute value of 70 kPa): 1.6-2.3 V

 

NO Replace the intake air pressure sensor

YES Proceed to [3] Measuring resistance between terminals

3.Measuring resistance between terminals

1. Turn the starter key to the "LOCK" position and disconnect the engine ECU connector and intake air pressure sensor connector.
    
2. Measure resistance between the terminals of the engine ECU connector (vehicle wire harness side) and intake air pressure sensor connector (vehicle wire harness side).
    

   Engine ECU (Vehicle wire harness side)	Intake air pressure sensor (Vehicle wire harness side)
   5th terminal	2nd terminal
   13th terminal	3rd terminal
   14th terminal	1st terminal

   Standard value: Less than 1 Ω

3. Measure resistance between the 5th terminal, 14th terminal and other terminal of the engine ECU connector (vehicle wire harness side) and the body GND.
    

   Standard value: 10 kΩ or more

4. Measure resistance between the 2nd, 3rd and other terminals of the intake air pressure sensor connector (vehicle wire harness side) and the body GND.
    

   Standard value: 10 kΩ or more

5. Measure resistance between the 14th terminal and the other terminal of the engine ECU connector (vehicle wire harness side).
    

   Standard value: 10 kΩ or more

6. Measure resistance between the 1st and other terminals of the intake air pressure sensor connector (vehicle wire harness side).
      

   Standard value: 10 kΩ or more

NO Repair or replace the wire harness or connector.

YES Replace the engine ECU

DTC Clear

Detail

1. Confirm the DTC P0069 is inactive

   • Start the engine and let it idling condition.
   • Verify the DTC P0069 is inactive.

    

2. DTC Clear

   • Clear the DTC with Hino DX
   • Confirm the same DTC is not reoccurred

    

NO P0069 is reoccur: Return to first process Other DTC appear: Refer to concerned Trouble shooting

YES Complete

DTC CODE P0045 / DIAGNOSIS MONITOR CODE 34)

Expand All

1.Measuring voltage between terminals

1. Turn the starter key to the "LOCK" position and disconnect the variable nozzle controller connector of the turbocharger assembly.
    
2. Turn the starter key to the "ON" position and measure voltage between the 1st terminal of the variable nozzle controller connector for the turbocharger assembly (vehicle wire harness side) and the body GND.

   Standard value
   Taiwan: 9-16V
   Except Taiwan: 16-32V

 

NO Inspect the power supply circuit.

YES Proceed to [2] Measuring resistance between terminals

2.Measuring resistance between terminals

1. Turn the starter key to the "LOCK" position and measure resistance between the 2nd terminal of the variable nozzle controller connector for the turbocharger assembly (vehicle wire harness side) and the body GND.
    

   Standard value: Less than 1 Ω

 

NO Repair or replace the wire harness or connector.

YES Proceed to [3] Turbocharger inspection

3.Turbocharger inspection

Detail

1. Use the Hino-DX, inspect the turbocharger.

 

NO Replace the turbocharger.

YES Proceed to [4] Checking the diagnosis code

4.Checking the diagnosis code

Detail

1. Delete past malfunction codes using Hino-DX. Make sure that the same code (DTC code P0045 / diagnosis monitor code 34) is not output again.
    

   Standard: No output of codes

 

NO Proceed to [5] Replacing the engine ECU

YES Inspecting irregular problems

5.Replacing the engine ECU

1. Replace the engine ECU.

6.Rechecking the diagnosis code

1. Delete past malfunction codes using Hino-DX. Make sure that the same code (DTC code P0045 / diagnosis monitor code 34) is not output again.

   Standard: No output of codes

 

NO Replace the turbocharger.

YES End

DTC Clear

1. Confirm the DTC P0045 is inactive

   • Start the engine and let it idling condition.
   • Verify the DTC P0045 is inactive.

    

2. DTC Clear

   • Clear the DTC with Hino DX
   • Confirm the same DTC is not reoccurred

    

P0045 is reoccur: Return to first process Other DTC appear: Refer to concerned Trouble shooting

1.Inspection item

1. Reference: ENGINE (COMMON ITEMS), TROUBLESHOOTING, ABNORMAL DETECTION OF PRESENCE/ABSENCE OF IMMOBILIZER (DTC CODE B279C)

DTC Clear

1. Confirm the DTC B279C is inactive

   • Start the engine and let it idling condition.
   • Verify the DTC B279C is inactive.

    

2. DTC Clear

   • Clear the DTC with Hino DX
   • Confirm the same DTC is not reoccurred

    

NO B279C is reoccur: Return to first process Other DTC appear: Refer to concerned Trouble shooting

YES Complete

                      Inspection item

1. Reference: ENGINE (COMMON ITEMS), TROUBLESHOOTING, ABNORMAL IMMOBILIZER COMMUNICATION 1 (DTC CODE B2793)

DTC Clear

1. Confirm the DTC B279A is inactive

   • Start the engine and let it idling condition.
   • Verify the DTC B279A is inactive.

    

2. DTC Clear

   • Clear the DTC with Hino DX
   • Confirm the same DTC is not reoccurred

    

NO B279A is reoccur: Return to first process Other DTC appear: Refer to concerned Trouble shooting

YES Complete

1. Confirm the DTC B2799 is inactive

   • Start the engine and let it idling condition.
   • Verify the DTC B2799 is inactive.

    

2. DTC Clear

   • Clear the DTC with Hino DX
   • Confirm the same DTC is not reoccurred