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STEERING LOCK UNIT DLK-99 < COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM] C D E F G H I J L M A B DLK N O P STEERING LOCK UNIT Diagnosis Procedure INFOID:0000000005146970 Regarding Wiring Diagram information, refer to DLK-178, "Wiring Diagram — INTELLIGENT KEY SYSTEM — 1. CHECK STEERING LOCK SOLENOID POWER SUPPLY 1. Turn ignition switch OFF. 2. Disconnect steering lock solenoid connector. 3. Check voltage between steering lock solenoid harness connector M15 terminal 1 and ground. Is the inspection result normal? YES >> GO TO 2 NO >> Repair or replace steering lock solenoid power supply circuit. 2. CHECK STEERING LOCK SOLENOID GROUND CIRCUIT Check continuity between steering lock solenoid harness connector M15 terminal 4 and ground. Is the inspection result normal? YES >> GO TO 3 NO >> Repair or replace the steering lock solenoid ground cir- cuit. 3. CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL 1. Connect steering lock solenoid connector. 2. Check voltage between Intelligent Key unit harness connector M70 terminal 1 and ground. Is the inspection result normal? YES >> GO TO 4 NO >> GO TO 6 4. CHECK STEERING LOCK COMMUNICATION SIGNAL Check signal between Intelligent Key unit connector M70 terminal 32 and ground with oscilloscope. 1 - Ground : Battery voltage WIIA1202E 4 - Ground : Continuity should exist. WIIA1203E 1 - Ground : Approx. 5V WIIA1204E |