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Home >> Infiniti >> 2000 >> Q45 Base >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Multiplex Control Systems >> System Tests >> Ground Circuit Check >> Body Control Module (BCM)
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Body Control Module (BCM)

Turn ignition switch to LOCK position. Disconnect BCM harness connector. Check for continuity between ground and terminals No. 56 (Black wire) and No. 113 (Black wire) at BCM harness connector. See Figure . If continuity exists, ground circuit is currently okay. If continuity does not exist, repair open in Black wire between BCM and ground.