Vauxhall Workshop Service and Repair Manuals

J745500 Engine Control Unit, Remove and Install (Y 17 DTL, without AC, LHD)

1. Open bonnet

Caution!

On vehicles from model year 04 with ESP - the steering angle sensor loses its basic adjustment each time the battery is disconnected. It must be recalibrated.

2. Disconnect battery

• Detach ground cable

3. Remove wiring harness plug for engine control unit

• 3 off
• Release 2 wiring harness plugs in direction of arrow

4. Remove engine control unit Remove wiring harness plug bracket Remove 2 bolts (1) Unscrew 2 bolts (2), 2 nuts (3)

5. Install engine control unit

• Tighten bolts, nuts (5.9 Nm/4.4 lbf. ft.)
• Install wiring harness plug bracket
• Tighten 2 bolts

6. Attach engine control unit wiring harness plug

7. Connect battery

8. Calibrate steering angle sensor

• Switch on ignition

Note:   Rotate the steering wheel one time from its right-hand to its left-hand stop.

9. Program volatile memories

10. Close bonnet