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Home >> Lexus >> 2013 >> IS 250C Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Smart Access System (Keyless Entry) (Diagnostics & Symptom Tests) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (For Entry Function) >> Symptom Tests >> All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate >> Inspection Procedure

Inspection Procedure

NOTE:
  • The smart access system with push-button start (for entry function) uses a LIN communication system and BEAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2012 - ] . Troubleshoot the smart access system with push-button start (for entry function) after confirming that the communication system is functioning properly.
  • Confirm that another key is not in the cabin.
  • Before performing the inspection, check that DTC B1242 (wireless door lock control) is not output. Refer to DTC B1242: Wireless Door Lock Tuner Circuit Malfunction .
  • When only the key (for card type) does not operate the entry lock/unlock functions for all doors, it can be suspected that the key (for card type) is malfunctioning or its battery is depleted. Refer to PROBLEM SYMPTOMS TABLE [08/2012 - ] .
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