Ranger 4WD V6-3.0L (2008)
B17-B18
Test C: The Interior Lamp Does Not Turn On With One Door Open
PINPOINT TEST C: THE INTERIOR LAMP DOES NOT TURN ON WITH ONE DOOR OPEN
Normal Operation
When any door is opened, the door ajar switch closes and signals the SJB. The SJB receives the door open signal and activates the interior lamp relay
(integral to the SJB) and supplies voltage to circuit CLN28 (GN/BU).
This pinpoint test is intended to diagnose the following:
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Wiring, terminals or connectors
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Door ajar switch
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SJB
C1-C2