E INSPECTION OF LH KEY UNLOCK SWITCH CIRCUIT Turn ignition switch off. DIODE INSPECT DIODE CONTINUITY Is diode of key unlock switch normal? (See page BE-67) No → Replace diode. Yes ↓ COMPUTER INSPECT KEY UNLOCK SWITCH CIRCUIT Is there continuity between terminal 9 and body ground with LH door opened with key? No → Open circuit in wire harness between terminal 9 of computer and terminal 1 of LH key unlock switch side diode. Yes ↓ Replace computer. F INSPECTION OF RH KEY UNLOCK SWITCH CIRCUIT Turn ignition switch off. DIODE INSPECT DIODE CONTINUITY Is diode of key unlock switch normal? (See page BE-67) No → Replace diode. Yes ↓ COMPUTER INSPECT KEY UNLOCK SWITCH CIRCUIT Is there continuity between terminal 9 and body ground with RH door opened with key? No → Open circuit in wire harness between terminal 9 of computer and terminal 1 of RH key unlock switch side diode. Yes ↓ Replace computer.