9000 Aero L4-2290cc 2.3L DOHC Turbo EFI HO (1997)
Alarm Module: Service and Repair
Before Changing the Electronic Control Module
When all tests have been carried out as described in the diagnostic procedure under the relevant diagnostic trouble code, or by manual fault diagnosis,
without any faults having been detected, it is natural to assume that the control module is at fault.
For this reason, check through the following points very carefully before definitely settling on the anti- theft alarm's electronic control module as the
cause of the fault.
1
Check once again that all the points in the fault diagnosis schedule for the relevant diagnostic trouble code or fault symptom have been covered.