Toyota Avalon (XX50): Navigation Ecu

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Audio, Visual, Telematics / Navigation / Multi Info Display / Navigation Ecu

Components

COMPONENTS

ILLUSTRATION

*1

CENTER INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY

*2

CONSOLE BOX POCKET SUB-ASSEMBLY

*3

FRONT CONSOLE UPPER PANEL GARNISH

*4

LOWER INSTRUMENT PANEL FINISH PANEL LH

*5

LOWER INSTRUMENT PANEL FINISH PANEL RH

-

-

ILLUSTRATION

*A

w/o Manual (SOS) Switch

*B

w/ Manual (SOS) Switch

*1

CENTER NO. 1 INSTRUMENT CLUSTER FINISH PANEL

*2

CENTER NO. 2 INSTRUMENT CLUSTER FINISH PANEL

*3

NAVIGATION ECU WITH BRACKET

*4

NO. 2 HEATER TO REGISTER DUCT SUB-ASSEMBLY

*5

RADIO AND DISPLAY RECEIVER ASSEMBLY WITH BRACKET

-

-

ILLUSTRATION

*A

w/o Manual (SOS) Switch

*B

w/ Manual (SOS) Switch

*1

DCM (TELEMATICS TRANSCEIVER) WITH ANTENNA CORD

*2

NAVIGATION ECU

*3

NO. 1 TELEPHONE BRACKET

*4

NO. 2 TELEPHONE BRACKET

*5

NO. 5 ANTENNA CORD SUB-ASSEMBLY

*6

WIRING HARNESS CLAMP

Installation

INSTALLATION

PROCEDURE

1. PRECAUTION

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.
  • 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.

2. INSTALL NAVIGATION ECU

3. INSTALL DCM (TELEMATICS TRANSCEIVER) WITH ANTENNA CORD (w/ Manual (SOS) Switch)

4. INSTALL NO. 1 TELEPHONE BRACKET

(a) w/o Manual (SOS) Switch:

(1) Engage the guide and install the No. 1 telephone bracket with the 2 screws.

(b) w/ Manual (SOS) Switch:

(1) Engage the 3 guides and install the No. 1 telephone bracket with the 3 screws.

5. INSTALL NO. 2 TELEPHONE BRACKET

(a) w/o Manual (SOS) Switch:

(1) Engage the guide and install the No. 2 telephone bracket with the 2 screws.

(2) Engage the wiring harness clamp.

(b) w/ Manual (SOS) Switch:

(1) Engage the 3 guides and install the No. 2 telephone bracket with the 3 screws.

(2) Engage the wiring harness clamp.

(3) Engage the clamp.

6. INSTALL NO. 5 ANTENNA CORD SUB-ASSEMBLY

Click here

7. INSTALL NAVIGATION ECU WITH BRACKET

(a) w/o Manual (SOS) Switch:

(1) Connect each connector.

(2) Install the navigation ECU with bracket with the 2 nuts as shown in the illustration.

Install in this Direction

(3) Connect the connector.

(b) w/ Manual (SOS) Switch:

(1) Connect each connector.

(2) Install the navigation ECU with bracket with the 2 nuts as shown in the illustration.

Install in this Direction

(3) Connect the 2 connectors.

8. INSTALL NO. 2 HEATER TO REGISTER DUCT SUB-ASSEMBLY

Click here

9. INSTALL RADIO AND DISPLAY RECEIVER ASSEMBLY WITH BRACKET

Click here

10. INSTALL CENTER NO. 2 INSTRUMENT CLUSTER FINISH PANEL

Click here

11. INSTALL CENTER NO. 1 INSTRUMENT CLUSTER FINISH PANEL

Click here

12. INSTALL CENTER INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY

Click here

13. INSTALL CONSOLE BOX POCKET SUB-ASSEMBLY

Click here

14. INSTALL FRONT CONSOLE UPPER PANEL GARNISH

Click here

15. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL RH

Click here

16. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL LH

Click here

Removal

REMOVAL

PROCEDURE

1. PRECAUTION

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.
  • 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.

2. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL LH

Click here

3. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL RH

Click here

4. REMOVE FRONT CONSOLE UPPER PANEL GARNISH

Click here

5. REMOVE CONSOLE BOX POCKET SUB-ASSEMBLY

Click here

6. REMOVE CENTER INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY

Click here

7. REMOVE CENTER NO. 1 INSTRUMENT CLUSTER FINISH PANEL

Click here

8. REMOVE CENTER NO. 2 INSTRUMENT CLUSTER FINISH PANEL

Click here

9. REMOVE RADIO AND DISPLAY RECEIVER ASSEMBLY WITH BRACKET

Click here

10. REMOVE NO. 2 HEATER TO REGISTER DUCT SUB-ASSEMBLY

Click here

11. REMOVE NAVIGATION ECU WITH BRACKET

(a) w/o Manual (SOS) Switch:

(1) Disconnect the connector.

(2) Remove the 2 nuts and pull the navigation ECU with bracket as shown in the illustration.

Remove in this Direction

(3) Disconnect each connector and remove the navigation ECU with bracket.

(b) w/ Manual (SOS) Switch:

(1) Disconnect the 2 connectors.

(2) Remove the 2 nuts and pull the navigation ECU with bracket as shown in the illustration.

Remove in this Direction

(3) Disconnect each connector and remove the navigation ECU with bracket.

12. REMOVE NO. 5 ANTENNA CORD SUB-ASSEMBLY

Click here

13. REMOVE NO. 2 TELEPHONE BRACKET

(a) w/o Manual (SOS) Switch:

(1) Disengage the wiring harness clamp.

(2) Remove the 2 screws and disengage the guide to remove the No. 2 telephone bracket.

(b) w/ Manual (SOS) Switch:

(1) Disengage the clamp.

(2) Disengage the wiring harness clamp.

(3) Remove the 3 screws and disengage the 3 guides to remove the No. 2 telephone bracket.

14. REMOVE NO. 1 TELEPHONE BRACKET

(a) w/o Manual (SOS) Switch:

(1) Remove the 2 screws and disengage the guide to remove the No. 1 telephone bracket.

(b) w/ Manual (SOS) Switch:

(1) Remove the 3 screws and disengage the 3 guides to remove the No. 1 telephone bracket.

15. REMOVE DCM (TELEMATICS TRANSCEIVER) WITH ANTENNA CORD (w/ Manual (SOS) Switch)

16. REMOVE NAVIGATION ECU

Navigation Antenna

Navigation System(for Gasoline Model)

See More:

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Exterior Panels / Trim: Name Plate
Components COMPONENTS ILLUSTRATION *1 NO. 2 LUGGAGE COMPARTMENT DOOR NAME PLATE *2 SYMBOL EMBLEM ● Non-reusable part - - ILLUSTRATION *A for Gasoline Model - - *1 NO. 3 LUGGAGE COMPARTMENT DOOR PLATE - - ● Non-reusable part - - ILLUSTRATION *A for HV Model - - *1 NO. 1 LUGGAGE COMPARTMENT DOOR N ...

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

© 2025 Copyright audio-visual-telematics.tavalon.net
0.1511