LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2019 >> LS 500h AWD >> Repair and Diagnosis >> Accessories & Equipment >> Warning Systems >> Vehicle Proximity Notification System - Diagnostics - Introduction >> Vehicle Proximity Notification System >> Problem Symptoms Table [10/2017 - 09/2019] >> Problem Symptoms Table [10/2017 - 09/2019]
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Problem Symptoms Table [10/2017 - 09/2019]

HINT: 

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

VEHICLE PROXIMITY NOTIFICATION SYSTEM

Symptom Suspected Area Link
Sound is not produced IG1 D NO. 1 fuse -
Power source circuit Refer to There is No Sound Made [10/2017 - 09/2019]
Permission signal circuit Refer to There is No Sound Made [10/2017 - 09/2019]
Stop light switch circuit Refer to There is No Sound Made [10/2017 - 09/2019]
Speaker circuit Refer to There is No Sound Made [10/2017 - 09/2019]
Speed signal circuit Refer to There is No Sound Made [10/2017 - 09/2019]
Vehicle approaching speaker controller Refer to REMOVAL [10/2017 - 09/2019]
Wire harness or connector -
Even when engine is started or transmission shift main switch (P position switch) is pushed, sound does not stop Permission signal circuit Refer to Even when Engine is Started or Transmission Shift Main Switch (P Position Switch) is Pushed, Sound does not Stop [10/2017 - 09/2019]
Vehicle approaching speaker controller Refer to REMOVAL [10/2017 - 09/2019]
Wire harness or connector -
"Proximity Notification System Malfunction Visit Your Dealer" on multi-information display DTC check (B1350) Refer to DTC CHECK / CLEAR [10/2017 - 09/2019] 
Combination meter assembly Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2017 - 10/2020]
Vehicle approaching speaker controller Refer to REMOVAL [10/2017 - 09/2019]
Wire harness or connector -
Communication between vehicle proximity notification system (vehicle approaching speaker controller) and Techstream is not possible IG1 D NO. 1 fuse -
Power source circuit Refer to Communication between Vehicle Proximity Notification System and Diagnostic Tool is not Possible [10/2017 - 09/2019]
DLC3 circuit Refer to Communication between Vehicle Proximity Notification System and Diagnostic Tool is not Possible [10/2017 - 09/2019]
Vehicle approaching speaker controller Refer to REMOVAL [10/2017 - 09/2019]
Wire harness or connector -