850 L5-2.4L VIN 55 B5254S (1993)
K7: Delayed Interior lighting Does Not Operate
Switch off Ignition.
Remove central locking relay 2/7.
Connect a voltmeter across relay base terminals 15 and 31.
Voltmeter should indicate 0 V.
If reading is correct:
Check the Interior lighting ground connection as per C21.
If reading Is Incorrect:
Short circuit to supply in lead between fuse holder terminal 11/3:2 (fuse 3) and relay base terminal 15.
Correct fault or replace lead between terminal 11/3:2 and relay base terminal 15. Reinstall central locking relay 2/7.
K8: Delayed Interior Lighting Does Not Switch Off
Switch off Ignition.
Remove central locking relay 2/7.
Switch on ignition.
Connect a voltmeter across relay base terminals 15 and 31.
Voltmeter should indicate battery voltage.
If reading Is correct:
Check interior lighting ground lead as per C21.
If reading Is Incorrect:
Check voltage supply (15) to fuse 3 in fusebox as per K9.
K9: Checking Supply (15) To Fuse 3 In Fusebox
Switch off Ignition.
Remove fuse 3. Replace fuse 3 If faulty.