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:
Transmission Control Switch Circuit
DESCRIPTION When the shift lever is in S and moved toward "-" or "+", it is possible to select different shift ranges (S1 to S8). Moving the shift lever toward "+" increases the shift range by one, and moving the shift lever toward "-" decreases the shift range by one. WIRING DIAGRAM CAUTION / NOTI
Components
COMPONENTS ILLUSTRATION *A for Power Tilt and Power Telescopic Steering Column - - *1 STEERING WHEEL SWITCH HOUSING *2 TILT AND TELESCOPIC SWITCH *3 TURN SIGNAL SWITCH *4 WINDSHIELD WIPER SWITCH ASSEMBLY
