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C-022 Rail Pressure Solenoid Valve Circuit > < C-020 Rail Pressure Sensor Circuit

C-021 - Fuel Metering Solenoid Valve Circuit

Test

Work Order Description

Nominal Value

T001

Check: Interruption of Voltage Supply Circuit

  • Ignition OFF
  • Disconnect wiring harness connector from:
    Y161 Solenoid Valve - Fuel Metering
  • Ignition ON
  • Measure voltage between the following terminals:
    Y161 Solenoid Valve - Fuel Metering
    Wiring harness connector (wiring harness side) terminal 1
    &
    Ground

greater than 11 V

Voltage Measurement Current Value: V
Yes: No:
T002

Check: Short to Voltage of Voltage Supply Circuit

  • Ignition OFF
  • Disconnect wiring harness connector from:
    A84 Control Unit - Engine
    (Wiring Harness Connector XC19 )
  • Ignition ON
  • Measure voltage between the following terminals:
    Y161 Solenoid Valve - Fuel Metering
    Wiring harness connector (wiring harness side) terminal 1
    &
    Ground

less than 0.3 V

Voltage Measurement Current Value: V
Yes: No:
T003

Check: Short to Ground of Voltage Supply Circuit

  • Ignition OFF
  • Measure resistance between the following terminals:
    Y161 Solenoid Valve - Fuel Metering
    Wiring harness connector (wiring harness side) terminal 1
    &
    Ground

greater than 500 kOhm

Resistance Measurement Current Value: kOhm
Yes: No:
T004

Check: Short to Voltage of Signal Circuit

  • Ignition ON
  • Measure voltage between the following terminals:
    Y161 Solenoid Valve - Fuel Metering
    Wiring harness connector (wiring harness side) terminal 2
    &
    Ground

less than 0.3 V

Yes: No:
T005

Check: Short to Ground of Signal Circuit

  • Ignition OFF
  • Measure resistance between the following terminals:
    Y161 Solenoid Valve - Fuel Metering
    Wiring harness connector (wiring harness side) terminal 2
    &
    Ground

greater than 500 kOhm

Resistance Measurement Current Value: kOhm
Yes: No:
T006

Check: Interruption of Signal Circuit

  • Measure resistance between the following terminals:
    Y161 Solenoid Valve - Fuel Metering
    Wiring harness connector (wiring harness side) terminal 2
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 20 (XC19)

less than 5 Ohm

Resistance Measurement Current Value: Ohm
Yes: No:
T007

Check: Interruption of Voltage Supply Circuit

  • Ignition OFF
  • Disconnect wiring harness connector from:
    A84 Control Unit - Engine
    (Wiring Harness Connector XC20 )
  • Remove electrical component from socket:
    K2_X125 Relay - Engine Control Unit
  • Connect fused jumper wire to:
    K2_X125 Relay - Engine Control Unit
    Socket Terminal 87
    &
    K2_X125 Relay - Engine Control Unit
    Socket Terminal 30
  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 4, 6 (XC20)
    &
    Ground

greater than 11 V

Voltage Measurement Current Value: V
Yes: No:


Result

Cause Of Fault

E001 Result: Defective Component
  • Defective component:
    Y161 Solenoid Valve - Fuel Metering
    or
    A84 Control Unit - Engine

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

Note:

The replacement of the components must be done in the listed order.

The system must be checked for proper operation after every replacement.

E002 Result: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 20 (XC19)
    &
    Y161 Solenoid Valve - Fuel Metering
    Wiring harness connector (wiring harness side) terminal 2
E003 Result: Short to Ground
  • Short circuit to ground between:
    Y161 Solenoid Valve - Fuel Metering
    Wiring harness connector (wiring harness side) terminal 2
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 20 (XC19)
E004 Result: Short to Voltage
  • Short circuit to voltage between:
    Y161 Solenoid Valve - Fuel Metering
    Wiring harness connector (wiring harness side) terminal 2
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 20 (XC19)
E005 Result: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 19 (XC19)
    &
    Y161 Solenoid Valve - Fuel Metering
    Wiring harness connector (wiring harness side) terminal 1
E006 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 19 (XC19)
    &
    Y161 Solenoid Valve - Fuel Metering
    Wiring harness connector (wiring harness side) terminal 1
E007 Result: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 19 (XC19)
    &
    Y161 Solenoid Valve - Fuel Metering
    Wiring harness connector (wiring harness side) terminal 1

or

  • Defective component:
    A84 Control Unit - Engine

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

E008 Result: Interruption
  • Circuit interruption between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 28 (XE3)
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 4, 6 (XC20)

or

  • Defective component:
    X125 Underhood Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.






C-022 Rail Pressure Solenoid Valve Circuit > < C-020 Rail Pressure Sensor Circuit