Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000012V98
Model Year Start: 2018 Model: Camry Prod Date Range: [03/2017 - 06/2017]
Title: POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL; 2018 MY Camry [03/2017 - 06/2017]

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during main body ECU (multiplex network body ECU) removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Disconnect cable from negative battery terminal

Perform steering sensor zero point calibration

Lane departure alert system (w/ Steering Control)

2018 - 2020 MY Camry [03/2017 - 10/2020]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION

Pre-collision system

Memorize steering angle neutral point

Parking assist monitor system

2018 - 2024 MY Camry [03/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: INITIALIZATION

Main body ECU (multiplex network body ECU)*1

Code registration (Smart key System (for Start Function)

  • Wireless door lock control system
  • Smart key system (for Entry Function)
  • Smart key system (for Start Function)
  • Steering lock function

2018 - 2019 MY Camry [03/2017 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): REGISTRATION

*1: w/ Smart Key System

CAUTION:

Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.

Click here 2018 MY Camry [03/2017 - 06/2017]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: PRECAUTION

PROCEDURE

1. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY

Click here 2018 MY Camry [03/2017 - 06/2017]; SUPPLEMENTAL RESTRAINT SYSTEMS: KNEE AIRBAG ASSEMBLY (for Driver Side): REMOVAL

2. REMOVE NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY

Click here 2018 MY Camry [03/2017 - 06/2017]; HEATING / AIR CONDITIONING: AIR CONDITIONING UNIT: REMOVAL+

3. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU

(a) Disconnect each connector.

(b) Disengage the clamp.

(c) Disengage the 2 claws and pull down the 2 lock levers to disconnect the 2 connectors as shown in the illustration.

Remove in this Direction

(d) Disconnect each connector.

(e) Remove the 2 nuts.

(f) Disengage the claw and guide and pull out the instrument panel junction block assembly with main body ECU.

Remove in this Direction

(g) Disengage the clamp.

(h) Disengage the clamp.

(i) Disengage the 2 claws and pull down the 2 lock levers to disconnect the 2 connectors as shown in the illustration and remove the instrument panel junction block assembly with main body ECU.

Remove in this Direction

4. REMOVE WIRING HARNESS CLAMP BRACKET

(a) Remove the nut.

(b) Disengage the guide to remove the wiring harness clamp bracket.

5. REMOVE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

(a) Press the claw of the instrument panel junction block assembly as shown in the illustration to release the lock.

*1

Instrument Panel Junction Block Assembly

*2

Main Body ECU (Multiplex Network Body ECU)

Push in this Direction

(b) With the instrument panel junction block assembly lock released, insert a screwdriver with its tip wrapped with protective tape horizontally between the main body ECU (multiplex network body ECU) and junction block assembly.

*a

Protective Tape

Insert in this Direction

Remove in this Direction

NOTICE:

  • Use a screwdriver with a diameter between 5.0 mm (0.197 in.) and 6.3 mm (0.248 in.) and a length of approximately 90 mm (3.54 in.).
  • Do not insert the screwdriver under the connector socket of the main body ECU (multiplex network body ECU).

(c) Using the screwdriver, carefully raise the main body ECU (multiplex network body ECU) to the position where the connector becomes disconnected.

NOTICE:

Do not twist the screwdriver to raise the main body ECU (multiplex network body ECU).

(d) Raise the main body ECU (multiplex network body ECU) as shown by the arrow (1), and then pull it out as shown by the arrow (2) in the illustration.

Remove in this Direction (1)

Remove in this Direction (2)

NOTICE:

Do not touch the main body ECU (multiplex network body ECU) connector.