Vauxhall Workshop Service and Repair Manuals

Test

Work Order Description

Nominal Value

Check: Component

• Ignition OFF
• Remove following component:
  A112 Control Unit - Transmission
• Measure resistance between the following terminals:
  Y3_A112 Solenoid Valve - Shift 1
  Wiring harness connector (component side) terminal 1
  &
  Y3_A112 Solenoid Valve - Shift 1
  Wiring harness connector (component side) terminal 2

Note:

Automatic transmission oil temperature between 15 °C (59 °F) and 25 °C (77 °F)

Temperature 20 °C (68 °F) : 2,60 ... 3.00 Ohm

2.60 ... 3.00 Ohm

Check: Component

• Connect unfused jumper wire to:
  Y3_A112 Solenoid Valve - Shift 1
  Wiring harness connector (component side) terminal 1
  &
  Ground
• Contact fused jumper wire once to:
  Y3_A112 Solenoid Valve - Shift 1
  Wiring harness connector (component side) terminal 2
  &
  Battery voltage

Clicking noise from following component:

Y3_A112 Solenoid Valve - Shift 1

Result

Cause Of Fault

• Defective component:
  A112 Control Unit - Transmission

• Defective component:
  Y3_A112 Solenoid Valve - Shift 1