vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

ABOUT US
C-019 Passenger Pretensioner Squib Circuit (Shorted to Other Squib Circuit) > < C-017 Passenger Side Airbag Squib Circuit (Shorted to Other Squib Circuit)

Astra H

C-018 - Seat Belt Pretensioner Passenger Circuit

Test

Work Order Description

Nominal Value
T001

Check: Short Circuit in Wiring Harness
  • Important:
    Before working on the pyrotechnical system:
    Ignition off
    Disconnect and mask battery negative terminal
    Wait 1 min until the capacitor in the control unit has discharged.
  • Disconnect wiring harness connector:
    X49 Body & Assembly - Seat, Front Passenger
  • Connect wiring harness connector to:
    G1 Battery
  • Ignition ON
  • Diagnostic Tester Data List Parameter
    Passenger Pretensioner Squib Circuit Resistance

greater than 3.9 Ohm
Diagnostic Tester Data List Parameter Current Value:
Yes: No:
T002

Check: Interruption in Wiring Harness
  • Ignition OFF
  • Connect fused jumper wire to:
    X49 Body & Assembly - Seat, Front Passenger
    Wiring harness connector (control unit side) terminal 15
    &
    X49 Body & Assembly - Seat, Front Passenger
    Wiring harness connector (control unit side) terminal 16
  • Ignition ON
  • Diagnostic Tester Data List Parameter
    Passenger Pretensioner Squib Circuit Resistance

less than 1.6 Ohm
Diagnostic Tester Data List Parameter Current Value:
Yes: No:
T003

Check: Short to Voltage of Signal Circuit
  • Important:
    Before working on the pyrotechnical system:
    Ignition off
    Disconnect and mask battery negative terminal
    Wait 1 min until the capacitor in the control unit has discharged.
  • Disconnect wiring harness connector from:
    A63 Control Unit - Airbag
    (Wiring Harness Connector XC18 )
  • Connect wiring harness connector to:
    G1 Battery
  • Ignition ON
  • Measure voltage between the following terminals:
    Fused jumper wire
    &
    Ground

Note:

Do not remove fused jumper wire

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

Check: Short to Ground of Signal Circuit
  • Ignition OFF
  • Measure resistance between the following terminals:
    Fused jumper wire
    &
    Ground

Note:

Do not remove fused jumper wire

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


Result

Cause Of Fault
E001 Result: Defective Component
  • Short to voltage/ground/interruption of circuit between:
    Y135 Squib - Belt Pretensioner, Front Passenger
    Wiring harness connector (wiring harness side) terminal 1
    &
    X49 Body & Assembly - Seat, Front Passenger
    Wiring harness connector (component side) terminal 15
    or
    Y135 Squib - Belt Pretensioner, Front Passenger
    Wiring harness connector (wiring harness side) terminal 2
    &
    X49 Body & Assembly - Seat, Front Passenger
    Wiring harness connector (component side) terminal 16

or

  • Defective component:
    Y135 Squib - Belt Pretensioner, Front Passenger
    or
    A63 Control Unit - Airbag

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: Short to Ground
  • Short circuit to ground between:
    A63 Control Unit - Airbag
    Wiring harness connector (wiring harness side) terminal 20 (XC18)
    &
    X49 Body & Assembly - Seat, Front Passenger
    Wiring harness connector (control unit side) terminal 15
    or
    A63 Control Unit - Airbag
    Wiring harness connector (wiring harness side) terminal 19 (XC18)
    &
    X49 Body & Assembly - Seat, Front Passenger
    Wiring harness connector (control unit side) terminal 16
E003 Result: Short to Voltage
  • Short circuit to voltage between:
    A63 Control Unit - Airbag
    Wiring harness connector (wiring harness side) terminal 20 (XC18)
    &
    X49 Body & Assembly - Seat, Front Passenger
    Wiring harness connector (control unit side) terminal 15
    or
    A63 Control Unit - Airbag
    Wiring harness connector (wiring harness side) terminal 19 (XC18)
    &
    X49 Body & Assembly - Seat, Front Passenger
    Wiring harness connector (control unit side) terminal 16
E004 Result: Interruption
  • Circuit interruption between:
    A63 Control Unit - Airbag
    Wiring harness connector (wiring harness side) terminal 20 (XC18)
    &
    X49 Body & Assembly - Seat, Front Passenger
    Wiring harness connector (control unit side) terminal 15
    or
    A63 Control Unit - Airbag
    Wiring harness connector (wiring harness side) terminal 19 (XC18)
    &
    X49 Body & Assembly - Seat, Front Passenger
    Wiring harness connector (control unit side) terminal 16

or

  • Defective component:
    A63 Control Unit - Airbag
E005 Result: Short Circuit in Wiring Harness
  • Short circuit in wiring harness between:
    A63 Control Unit - Airbag
    Wiring harness connector (wiring harness side) terminal 20 (XC18)
    &
    A63 Control Unit - Airbag
    Wiring harness connector (wiring harness side) terminal 19 (XC18)

or

  • Defective component:
    A63 Control Unit - Airbag





C-019 Passenger Pretensioner Squib Circuit (Shorted to Other Squib Circuit) > < C-017 Passenger Side Airbag Squib Circuit (Shorted to Other Squib Circuit)