Lexus NX: Installation

INSTALLATION

PROCEDURE

1. INSTALL MULTIPLEX NETWORK BODY ECU (MAIN BODY ECU)

(a) Insert the multiplex network body ECU (main body ECU) up to the position where it contacts the housing sidewall of the guide as shown in the illustration.

*a	20°
	Housing Sidewall

HINT:

Make sure to keep the angle 20° or more as shown in the illustration.

(b) Slide the multiplex network body ECU (main body ECU) along the housing sidewall so that it attaches to the 2 guides.

	Slide
	Housing Sidewall

(c) While keeping the multiplex network body ECU (main body ECU) in contact with side A of the junction block (axis of rotation), rotate it downward as shown in the illustration.

*1 Side A Contact Portion

(d) Press the push area until the claw engages to install the multiplex network body ECU (main body ECU).

Push Area

HINT:

If a lock sound cannot be heard, visually check the lock part engagement. The engagement can also be confirmed if the multiplex network body ECU (main body ECU) and junction block are flush.

2. INSTALL INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

(a) Connect the 3 connectors to the multiplex network body ECU (main body ECU).

(b) Install the instrument panel junction block assembly with the bolt and 2 nuts.

Torque:

for Bolt :

8.4 N·m {86 kgf·cm, 74 in·lbf}

for Nut :

8.4 N·m {86 kgf·cm, 74 in·lbf}

(c) Connect the lower side of the instrument panel junction block assembly connector.

(d) w/o Connector Stopper: (1) Connect the connector and lock the connector lock lever. HINT: Use the same procedure to connect the remaining 3 connectors.

*A w/ Connector Stopper *1 Connector Stopper

(e) w/ Connector Stopper:

(1) Connect the connector and lock the connector lock lever.

HINT:

Use the same procedure to connect the remaining 3 connectors.

(2) Attach the claw to lock the connector stopper.

(f) Attach the 2 wire harness clamps.

(g) Attach the claw to connect the connector housing.

(h) Connect the connector.

3. INSTALL LOWER NO. 1 INSTRUMENT PANEL FINISH PANEL

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4. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

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5. INSTALL UPPER NO. 2 CONSOLE PANEL GARNISH

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6. INSTALL REAR CONSOLE ARMREST ASSEMBLY

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7. INSTALL NO. 1 INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY

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8. INSTALL INSTRUMENT SIDE PANEL LH

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9. INSTALL COWL SIDE TRIM BOARD LH

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10. INSTALL DOOR SCUFF PLATE ASSEMBLY LH

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11. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL

(a) Connect the negative (-) auxiliary battery terminal and tighten the nut.

Torque:

5.4 N·m {55 kgf·cm, 48 in·lbf}

12. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL

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HINT:

When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

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13. INSTALL DECK FLOOR BOX LH

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14. INSTALL REAR DECK FLOOR BOX

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15. INSTALL NO. 3 DECK BOARD SUB-ASSEMBLY

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16. PERFORM REGISTRATION

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