Last Modified: 05-08-2025 6.11:8.1.0 Doc ID: RM100000001E7HK
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 10/2019]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PRECAUTION; 2019 MY RAV4 RAV4 HV [11/2018 - 10/2019]

PRECAUTION

PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

NOTICE:

After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.

Waiting Time before Disconnecting Cable from Negative (-) Auxiliary Battery Terminal

System Name

See Procedure

Vehicle enrolled in Toyota Entune system or safety connect system

6 minutes

Vehicle not enrolled in Toyota Entune system and safety connect system

1 minute

PRECAUTION FOR NAVIGATION SYSTEM

NOTICE:

  • When replacing the radio and display receiver assembly or navigation ECU, always replace it with a new one. If a radio and display receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC may be stored.
    • The radio and display receiver assembly or navigation ECU may not operate normally.
  • When performing the following work, the navigation system may restart when turning the ignition switch ACC (due to radio and display receiver assembly and navigation ECU certification).
    • Repair or replace the negative (-) auxiliary battery terminal due to it being disconnected or depleted.
    • The radio and display receiver assembly or navigation ECU replacement or removal and installation.
  • When replacing the DCM (telematics transceiver), make sure to replace it with a new one. (w/ Manual [SOS] Switch)
  • After replacing the radio and display receiver assembly, if "New software is not compatible with the system. Contact your dealer." is displayed on the multi-display, update the software of the navigation ECU.
  • After replacing the navigation ECU, if "New software is not compatible with the system. Contact your dealer." is displayed on the multi-display, update the software of the radio and display receiver assembly.

(a) If any of the following parts are replaced, refer to Initialization in Repair Instruction.

Click here 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

  • Radio and display receiver assembly*1
  • DCM (telematics transceiver)*2
  • *1: After replacing the radio and display receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, SiriusXM radio ID registration is necessary (w/ SXM Function).
  • *2: w/ Manual (SOS) Switch