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C-035 Function-Group Low Pressure Section > < C-033 Fuel Filter Water Level Switch Circuit

Astra H

C-034 - Filterheating Circuit

Test

Work Order Description

Nominal Value
T001

Check: Interruption of Voltage Supply Circuit
  • Ignition OFF
  • Remove electrical component from socket:
    K14_X125 Relay - Filter Heating
  • Measure voltage between:
    K14_X125 Relay - Filter Heating
    Socket Terminal 30
    &
    Ground

greater than 11 V
Voltage Measurement Current Value: V
Yes: No:
T002

Check: Interruption of Voltage Supply Circuit
  • Ignition ON
  • Measure voltage between:
    K14_X125 Relay - Filter Heating
    Socket Terminal 86
    &
    Ground

greater than 11 V
Voltage Measurement Current Value: V
Yes: No:
T003

Check: Short to Voltage of Voltage Supply Circuit
  • Measure voltage between:
    K14_X125 Relay - Filter Heating
    Socket Terminal 87
    &
    Ground

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:
T004

Check: Short to Voltage of Signal Circuit
  • Connect test lamp ( 3 W ) and multimeter in parallel and measure voltage between the following terminals:
    K14_X125 Relay - Filter Heating
    Socket Terminal 85
    &
    Ground

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:
T005

Check: Short to Ground of Signal Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    A84 Control Unit - Engine
    (Wiring Harness Connector XC20 )
  • Measure resistance between:
    K14_X125 Relay - Filter Heating
    Socket Terminal 85
    &
    Ground

greater than 500 kOhm
Resistance Measurement Current Value: kOhm
Yes: No:
T006

Check: Interruption of Signal Circuit
  • Measure resistance between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 76 (XC20)
    &
    K14_X125 Relay - Filter Heating
    Socket Terminal 85

less than 5 Ohm
Resistance Measurement Current Value: Ohm
Yes: No:
T007

Check: Interruption of Voltage Supply Circuit
  • Disconnect wiring harness connector from:
    R27 Filter Heating
  • Connect fused jumper wire to:
    K14_X125 Relay - Filter Heating
    Socket Terminal 30
    &
    K14_X125 Relay - Filter Heating
    Socket Terminal 87
  • Measure voltage between:
    R27 Filter Heating
    Wiring harness connector (wiring harness side) terminal 3
    &
    Ground

greater than 11 V
Voltage Measurement Current Value: V
Yes: No:
T008

Check: Circuit Interruption of Ground Circuit
  • Measure voltage between:
    R27 Filter Heating
    Wiring harness connector (wiring harness side) terminal 3
    &
    R27 Filter Heating
    Wiring harness connector (wiring harness side) terminal 4

greater than 11 V
Voltage Measurement Current Value: V
Yes: No:
T009

Check: Component
  • Remove fused jumper wire
  • Connect wiring harness connector to:
    A84 Control Unit - Engine
  • Ignition ON
  • Measure voltage between:
    K14_X125 Relay - Filter Heating
    Socket Terminal 85
    &
    Battery voltage
  • Select the following Functional System on the diagnostic tester:
    Electronic Diesel Injection System Multijet 6JO, Z 13 DTH
  • Select diagnostic tester actuator test:
    Fuel Filter Heating Test
  • Use soft key to activate the corresponding component

greater than 11 V
Voltage Measurement Current Value: V
Yes: No:
T010

Check: Component
  • Use soft key to deactivate the corresponding component
  • Measure voltage between the following terminals:
    K14_X125 Relay - Filter Heating
    Socket Terminal 85
    &
    Battery voltage

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:
T011

Check: Component
  • Ignition OFF
  • Insert electrical component in socket:
    K14_X125 Relay - Filter Heating
  • Ignition ON
  • Measure voltage between:
    R27 Filter Heating
    Wiring harness connector (wiring harness side) terminal 3
    &
    Ground
  • Select diagnostic tester actuator test:
    Fuel Filter Heating Test
  • Use soft key to activate the corresponding component

greater than 11 V
Voltage Measurement Current Value: V
Yes: No:
T012

Check: Short to Voltage of Voltage Supply Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    R27 Filter Heating
  • Ignition ON
  • Measure voltage between:
    K14_X125 Relay - Filter Heating
    Socket Terminal 87
    &
    Ground

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:
T013

Check: Interruption of Voltage Supply Circuit
  • Remove electrical component from socket:
    FE17 Fuse
  • Measure voltage between:
    FE17 Fuse
    Input contact
    &
    Ground

greater than 11 V
Voltage Measurement Current Value: V
Yes: No:


Result

Cause Of Fault
E001 Result: Defective Component
  • Defective component:
    R27 Filter Heating
E002 Result: Defective Component
  • Defective component:
    K14_X125 Relay - Filter Heating
E003 Result: Defective Component
  • 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.
E004 Result: Interruption
  • Circuit interruption between:
    R27 Filter Heating
    Wiring harness connector (wiring harness side) terminal 4
    &
    Ground
E005 Result: Interruption
  • Circuit interruption between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 63 (XE2)
    &
    R27 Filter Heating
    Wiring harness connector (wiring harness side) terminal 3

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.
E006 Result: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 76 (XC20)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 25 (XE2)

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.
E007 Result: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 76 (XC20)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 25 (XE3)

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.
E008 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 76 (XC20)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 25 (XE3)

or

  • Defective component:
    X125 Underhood Electronic Module
    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.
E009 Result: Short to Voltage
  • Short circuit to voltage between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 63 (XE2)
    &
    R27 Filter Heating
    Wiring harness connector (wiring harness side) terminal 3

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.
E010 Result: Defective Component
  • 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.
E011 Result: Interruption
  • Circuit interruption between:
    G1 Battery
    Wiring harness connector (wiring harness side) terminal 30
    &
    FE17 Fuse
    Input contact

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-035 Function-Group Low Pressure Section > < C-033 Fuel Filter Water Level Switch Circuit