Lexus NX: Removal
REMOVAL
PROCEDURE
1. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY
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2. REMOVE REAR DECK FLOOR BOX
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3. REMOVE DECK FLOOR BOX LH
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4. PRECAUTION
CAUTION:
Be sure to read Precoution thoroughly before serving.
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NOTICE:
After turning the power switch off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
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5. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
CAUTION:
- Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
- If the airbag deploys for any reason. it may cause a serious accident.
(a) Loosen the nut and disconnect the negative (-) auxiliary battery terminal.
6. REMOVE DOOR SCUFF PLATE ASSEMBLY LH
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7. REMOVE COWL SIDE TRIM BOARD LH
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8. REMOVE INSTRUMENT SIDE PANEL LH
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9. REMOVE NO. 1 INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY
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10. REMOVE REAR CONSOLE ARMREST ASSEMBLY
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11. REMOVE UPPER NO. 2 CONSOLE PANEL GARNISH
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12. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
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13. REMOVE LOWER NO. 1 INSTRUMENT PANEL FINISH PANEL
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14. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
| (a) Disconnect the connector. |
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(b) Detach the claw and disconnect the connector housing.
(c) Detach the 2 wire harness clamps.
| (d) w/o Connector Stopper: (1) Release the connector lock lever and disconnect the connector. HINT: Use the same procedure to disconnect the remaining 3 connectors. |
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(e) w/ Connector Stopper:
(1) Detach the claw and release the connector stopper.
(2) Release the connector lock lever and disconnect the connector.
HINT:
Use the same procedure to disconnect the remaining 3 connectors.
| (f) Disconnect the connector from the lower side of the instrument panel junction block assembly. |
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| (g) Remove the bolt, 2 nuts and instrument panel junction block assembly. |
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| (h) Disconnect the 3 connectors from the multiplex network body ECU (main body ECU). |
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15. REMOVE MULTIPLEX NETWORK BODY ECU (MAIN BODY ECU)
NOTICE:
- If the multiplex network body ECU (main body ECU) is replaced, replace it with a new one.
- If the multiplex network body ECU (main body ECU) is replaced, refer to the Service Bulletin.
(a) Press the claw of the junction block as shown in the illustration to release the lock.
| *1 | Claw of Junction Block |
 | Protective Tape |
(b) With the junction block lock released, insert a screwdriver with its tip wrapped with protective tape horizontally between the multiplex network body ECU (main body ECU) and junction block.
NOTICE:
Use a screwdriver with a diameter of between 5.0 mm (0.197 in.) and 6.3 mm (0.248 in.) and a length of approximately 90 mm (3.54 in.).
(c) Using the screwdriver, carefully raise the multiplex network body ECU (main body ECU) up to the position where the connector becomes disengaged.
| | Protective Tape |
NOTICE:
- Do not insert the screwdriver opening between the junction block and the connector of the multiplex network body ECU (main body ECU).
- Do not twist the screwdriver to raise the multiplex network body ECU (main body ECU).
(d) Raise the multiplex network body ECU (main body ECU) as shown by the black arrow, and then slide it out as shown by the white arrow in the illustration.
.png) | Raise |
 | Slide Out |
NOTICE:
Do not touch the ECU connector.
READ NEXT:
Installation
INSTALLATION PROCEDURE 1. INSTALL MULTIPLEX NETWORK BODY ECU (MAIN BODY ECU) NOTICE:
Make sure that no foreign matter gets on the connecting surfaces.
Do not touch the ECU connector.
(a) Inser
SEE MORE:
Open in IG Circuit (B242E)
DESCRIPTION This DTC is output when there is a problem in the power supply for the headlight ECU sub-assembly RH. The headlight ECU sub-assembly LH outputs DTC B242E. DTC No. Detection Item DTC Detection Condition Trouble Area B242E Open in IG Circuit IG circuit malfunction in the h
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS (a) Interview the customer and confirm the problem. Click here
NEXT 3. INSPECT AUXILIARY BATTERY VOLTAGE
