D INSPECTION OF BACK DOOR KEY UNLOCK SWITCH CIRCUIT. Turn ignition switch off. COMPUTER Disconnect computer connector and inspect connector on wire harness side as follows. INSPECT BACK DOOR KEY UNLOCK SWITCH CIRCUIT Is there continuity between terminal 10 and ground with key position is normal? Yes → Short circuit in back door key unlock switch circuit. No ↓ Is there continuity between terminal 10 and ground with back door unlocked with key? No → Open circuit in back door key unlock switch circuit. Yes ↓ Replace computer.