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Home >> Toyota >> 2015 >> Prius One >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 55 (Theft Deterrent System / Keyless Entry System (Service Information) & Diagnostics (Plug-In)) >> Push-Button Start >> DTC B2277: Detecting Vehicle Submersion [08/2014 - ] >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • When the power management control ECU is replaced with a new one and the cable from the negative (-) auxiliary battery terminal is connected, the power source mode becomes on (IG) mode. When the auxiliary battery is removed and reinstalled, the power source mode that was selected when the auxiliary battery was removed is restored.
  • The push button start uses a LIN communication system and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ] . Troubleshoot the push button start after confirming that the communication system is functioning properly.
  • When using the Techstream with the power switch off to troubleshoot:

    Connect the Techstream to the DLC3, and turn a courtesy light switch on and off at 1.5-second intervals until communication between the Techstream and vehicle begins.