Navigation Ecu: Replacement

HINT:

• The installation procedures are the removal procedures in reverse order. However, only installation procedures requiring additional information are included.
• A bolt without a torque specification is shown in the standard bolt table (see SPECIFIED TORQUE FOR STANDARD BOLTS ).

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
   CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
2. REMOVE REAR FLOOR FINISH PLATE (See  REPLACEMENT  ) 
3. REMOVE LUGGAGE COMPARTMENT FLOOR MAT (See  REPLACEMENT  ) 
4. REMOVE LUGGAGE COMPARTMENT TRIM COVER LH (See  REPLACEMENT  ) 
5. REMOVE LUGGAGE COMPARTMENT TRIM COVER RH (See  REPLACEMENT  ) 
6. REMOVE SPARE WHEEL COVER ASSY (See  REPLACEMENT  ) 
7. REMOVE TOOL BOX COVER (See  REPLACEMENT  ) 
8. REMOVE LUGGAGE COMPARTMENT TRIM COVER SUB-ASSY REAR (See  REPLACEMENT  ) 
9. REMOVE TONNEAU COVER ASSY (See  REPLACEMENT  ) 
10. REMOVE LUGGAGE COMPARTMENT TRIM COVER FRONT (See  REPLACEMENT  ) 
11. REMOVE LUGGAGE COMPARTMENT TRAY BRACKET FRONT 
    1. Remove the 2 bolts, 2 nuts and 2 brackets.
12. REMOVE NAVIGATION ECU 
    1. Remove the bolt and 2 nuts.
    2. Disconnect the 3 connectors and remove the ECU.
       Fig 1: Removing Bolt, Nuts & Navigation ECU

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
13. REMOVE DISC PLAYER BRACKET 
    1. Remove the 2 screws and bracket.
       Fig 2: Removing Disc Player Bracket With Screws

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
14. REMOVE DISC PLAYER BRACKET NO.2 
    1. Remove the 2 screws and bracket.
       Fig 3: Removing Disc Player Bracket No. 2 With Screws

       Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
15. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
16. PERFORM INITIALIZATION (See  INITIALIZATION  ) 
    NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.