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C-010 Engine Independent Heating Circuit > < C-008 Air Quality Sensor Circuit

Astra H

C-009 - Evaporator Temperature Sensor Circuit

Test

Work Order Description

Nominal Value
T001

Check: Short to Voltage of Signal Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    A1_A14 Control Unit - Climate Control
    (Wiring Harness Connector XC43 )
  • Ignition ON
  • Measure voltage between the following terminals:
    A1_A14 Control Unit - Climate Control
    Wiring harness connector (wiring harness side) terminal 25 (XC43)
    &
    Ground

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:
T002

Check: Short to Ground of Signal Circuit
  • Ignition OFF
  • Measure resistance between the following terminals:
    A1_A14 Control Unit - Climate Control
    Wiring harness connector (wiring harness side) terminal 25 (XC43)
    &
    Ground

greater than 500 kOhm
Resistance Measurement Current Value: kOhm
Yes: No:
T003

Check: Interruption of Signal Circuit
  • Measure resistance between the following terminals:
    A1_A14 Control Unit - Climate Control
    Wiring harness connector (wiring harness side) terminal 25 (XC43)
    &
    A1_A14 Control Unit - Climate Control
    Wiring harness connector (wiring harness side) terminal 23 (XC43)

20 ... 65 kOhm

The given nominal value is valid for a temperature range from 10 °C (50 °F) to 30 °C (86 °F).
Resistance Measurement Current Value: kOhm
Yes: No:
T004

Check: Interruption of Signal Circuit
  • Measure resistance between the following terminals:
    A1_A14 Control Unit - Climate Control
    Wiring harness connector (wiring harness side) terminal 25 (XC43)
    &
    A1_A14 Control Unit - Climate Control
    Wiring harness connector (wiring harness side) terminal 23 (XC43)

less than 20 kOhm

The given nominal value is valid for a temperature range from 10 °C (50 °F) to 30 °C (86 °F).
Resistance Measurement Current Value: kOhm
Yes: No:
T005

Check: Interruption in Wiring Harness
  • Disconnect wiring harness connector from:
    B3_A14 Sensor - Temperature, Evaporator
  • Measure resistance between the following terminals:
    A1_A14 Control Unit - Climate Control
    Wiring harness connector (wiring harness side) terminal 25 (XC43)
    &
    B3_A14 Sensor - Temperature, Evaporator
    Wiring harness connector (wiring harness side) terminal A

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


Result

Cause Of Fault
E001 Result: Defective Component
  • Defective component:
    A1_A14 Control Unit - Climate Control

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.
E002 Result: Short Circuit in Wiring Harness
  • Short circuit in wiring harness between:
    A1_A14 Control Unit - Climate Control
    Wiring harness connector (wiring harness side) terminal 23 (XC43)
    &
    A1_A14 Control Unit - Climate Control
    Wiring harness connector (wiring harness side) terminal 25 (XC43)

or

  • Defective component:
    B3_A14 Sensor - Temperature, Evaporator
E003 Result: Interruption
  • Circuit interruption between:
    A1_A14 Control Unit - Climate Control
    Wiring harness connector (wiring harness side) terminal 23 (XC43)
    &
    B3_A14 Sensor - Temperature, Evaporator
    Wiring harness connector (wiring harness side) terminal B

or

  • Defective component:
    B3_A14 Sensor - Temperature, Evaporator
E004 Result: Interruption
  • Circuit interruption between:
    A1_A14 Control Unit - Climate Control
    Wiring harness connector (wiring harness side) terminal 25 (XC43)
    &
    B3_A14 Sensor - Temperature, Evaporator
    Wiring harness connector (wiring harness side) terminal A
E005 Result: Short to Ground
  • Short circuit to ground between:
    A1_A14 Control Unit - Climate Control
    Wiring harness connector (wiring harness side) terminal 25 (XC43)
    &
    B3_A14 Sensor - Temperature, Evaporator
    Wiring harness connector (wiring harness side) terminal A
E006 Result: Short to Voltage
  • Short circuit to voltage between:
    A1_A14 Control Unit - Climate Control
    Wiring harness connector (wiring harness side) terminal 25 (XC43)
    &
    B3_A14 Sensor - Temperature, Evaporator
    Wiring harness connector (wiring harness side) terminal A





C-010 Engine Independent Heating Circuit > < C-008 Air Quality Sensor Circuit