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

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3. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL RH

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4. REMOVE FRONT CONSOLE UPPER PANEL GARNISH

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5. REMOVE CONSOLE BOX POCKET SUB-ASSEMBLY

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6. REMOVE CENTER INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY

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7. REMOVE CENTER NO. 1 INSTRUMENT CLUSTER FINISH PANEL

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8. REMOVE CENTER NO. 2 INSTRUMENT CLUSTER FINISH PANEL

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9. REMOVE RADIO AND DISPLAY RECEIVER ASSEMBLY WITH BRACKET

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

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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

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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