Vauxhall Workshop Service and Repair Manuals

Note:

18 to 22 °CA BTDC for Kadett-E/Astra/Belmont or 14 to 18 °CA BTDC for Vectra/Cavalier are the values programmed in the control unit. This does not mean that this pre-ignition is actually present. Check with the Opel Tester whether the programmed and actual values agree.

Trouble-shooting:                                 Nominal Value:                       Cause of Fault:

Check of inductive pulse                                     see page 47

pick-up, see page 47

Further Cause of Faults:            · Lead interruptions from

- Control unit Ter. 1 to trigger box Ter. 4

· Trigger box defective

· Ignition coil defective

· Control unit defective