Luggage comparstment lighting switch
Symptom: Tailgate/boot lid removed from alarm system. LED flashes during the delay period.
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Luggage comparstment lighting switch
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Fault symptom
Tailgate/boot lid removed from alarm system. LED flashes during the delay period.
Diagnostic procedure
1 Check operation, tailgate open/closed
Check normal operation:
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the lamp should be on when the tailgate is open and
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it can be turned off manually by means of the switch incorporated in the lamp.
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Is the function correct?
Continue with point 2.
Continue fault diagnosis as described in Service Manual 3:2 "Electrical system, luggage compartment illumination".
2 Check operation, tailgate open/closed
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Connect the ISAT scan tool.
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Select "TAILGATE SWITCH".
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Open/close tailgate while observing ISAT display.
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The ISAT scan tool should display "OPEN" and "CLOSED" respectively.
Is ISAT indicating open/closed tailgate correctly?
Continue with point 4.
Continue with point 3.
3 Check the wiring connected to the electronic control module
Conduct a continuity test on the cable assembly between the luggage compartment switch and the control module, pin 3.
The resistance should be < 1 ohm.
Is the resistance correct?
Continue with point 4.
Repair or replace the wiring harness.
4 Final check
Check to see if the fault symptom remains.
Is the problem still present?
See "Before replacing a control module".
The remedial measures taken were correct or the fault is of intermittent nature.
