Lexus ES: Removal
REMOVAL
PROCEDURE
1. PRECAUTION (for HV Model)
NOTICE:
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When replacing the radio receiver assembly or navigation ECU, always replace it with a new one. If a radio 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 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 receiver assembly.
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When performing the following work, the navigation system may restart when turning the power switch on (ACC) (due to radio receiver assembly and navigation ECU certification).
- Repair or replace the negative (-) auxiliary battery terminal due to it being disconnected or depleted.
- The radio receiver assembly or navigation ECU replacement or removal and installation.
NOTICE:
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2. PRECAUTION (for Gasoline Model)
NOTICE:
-
When replacing the radio receiver assembly or navigation ECU, always replace it with a new one. If a radio 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 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 receiver assembly.
-
When performing the following work, the navigation system may restart when turning the engine switch on (ACC) (due to radio receiver assembly and navigation ECU certification).
- Repair or replace the negative (-) battery terminal due to it being disconnected or depleted.
- The radio receiver assembly or navigation ECU replacement or removal and installation.
NOTICE:
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3. REMOVE INSTRUMENT PANEL FINISH PANEL END LH
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4. REMOVE INSTRUMENT PANEL FINISH PANEL END RH
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5. REMOVE CENTER INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY
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6. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY
for UA80E:
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for P710:
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for UB80F:
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7. REMOVE REAR UPPER CONSOLE PANEL SUB-ASSEMBLY
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8. REMOVE UPPER CONSOLE PANEL SUB-ASSEMBLY
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9. REMOVE LOWER INSTRUMENT PANEL
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10. REMOVE FRONT DOOR SCUFF PLATE RH
HINT:
Use the same procedure as for the LH side.
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11. REMOVE COWL SIDE TRIM BOARD RH
HINT:
Use the same procedure as for the LH side.
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12. REMOVE FRONT DOOR OPENING TRIM COVER RH
HINT:
Use the same procedure as for the LH side.
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13. REMOVE INSTRUMENT SIDE PANEL RH
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14. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
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15. REMOVE LOWER INSTRUMENT PANEL LH
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16. REMOVE LOWER INSTRUMENT PANEL SUB-ASSEMBLY
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17. REMOVE RADIO RECEIVER ASSEMBLY WITH SWITCH
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18. REMOVE NO. 1 NAVIGATION WIRE
| (a) Disconnect the 2 connectors to remove the No. 1 navigation wire. |
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19. REMOVE NAVIGATION ECU WITH BRACKET
| (a) Remove the 2 screws. |
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| (b) Remove the 2 screws. |
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(c) Disengage the 4 claws and remove the navigation ECU with bracket as shown in the illustration.
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.png) | Remove in this Direction |
20. REMOVE NO. 1 RADIO RECEIVER BRACKET
| (a) Remove the 2 screws and No. 1 radio receiver bracket. |
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21. REMOVE NAVIGATION ECU
READ NEXT:
"No GPS signal" mark is displayed
CAUTION / NOTICE / HINT NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Pre
AVC-LAN Circuit
DESCRIPTION Each unit of the navigation system connected to the AVC-LAN (communication bus) transmits switch signals via AVC-LAN communication. If a short to +B or short to ground occurs in the AVC-LA
SEE MORE:
Replacement
REPLACEMENT CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during front drive shaft oil seal LH or front drive shaft oil seal RH removal/installation are shown below
System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU Receiving ECU Signal Communication Method Multiplex Network Master Switch Assembly Power Window Regulator Motor Assembly (for Driver Door) Power window auto up and down signal LIN
Power Window Regulator Motor Assembly (
