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P1614 CHAIN OF IMMU-KEY SEC-147 < DTC/CIRCUIT DIAGNOSIS > [WITHOUT INTELLIGENT KEY SYSTEM] C D E F G H I J L M A B SEC N O P P1614 CHAIN OF IMMU-KEY DTC Logic INFOID:0000000006014787 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON. 2. Check DTC in “Self Diagnostic Result” mode of “ENGINE” using CONSULT-III. Is DTC detected? YES >> Refer to SEC-147, "Diagnosis Procedure" NO >> INSPECTION END Diagnosis Procedure INFOID:0000000006014788 1. CHECK FUSE Check that the following IPDM E/R fuse is not blown. Is the fuse fusing? YES >> Replace the blown fuse after repairing the affected circuit if a fuse is blown. NO >> GO TO 2. 2. CHECK NATS ANTENNA AMP. INSTALLATION Check NATS antenna amp. Installation. Refer to SEC-161, "Removal and Installation" Is the inspection result normal? YES >> GO TO 3. NO >> Reinstall NATS antenna amp. correctly. 3. CHECK IGNITION KEY Start engine using another registered ignition key. Does the engine start? YES-1 >> Replace ignition key. tion and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS. NO >> GO TO 4. 4. CHECK NATS ANTENNA AMP. POWER SUPPLY 1. Turn ignition switch OFF. 2. Disconnect NATS antenna amp. connector. 3. Check voltage between NATS antenna amp. harness connector and ground. DTC No. Trouble diagnosis name DTC detecting condition Possible cause P1614 CHAIN OF IMMU-KEY • Inactive communication between NATS antenna amp. and BCM • Ignition key is malfunctioning • Harness or connectors (The NATS antenna amp. circuit is open • Ignition key Signal name Fuse No. Battery power supply 49 |