After replacing the main body ECU (multiplex network body ECU), make sure to perform ECU configuration.
After performing the ECU configuration procedure, make sure to perform the initialization procedure for when the cable has been disconnected and reconnected to the negative (-) auxiliary battery terminal.
After the main body ECU (multiplex network body ECU) has been replaced, the automatic light control system will not operate until the engine is started.
1.INSTALL MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
Make sure that the connecting surfaces are free of foreign matter.
Do not touch the main body ECU (multiplex network body ECU) connector.
| *a | 20°or more |
| *b | Housing Sidewall |
|
Set in this Direction |
Set the main body ECU (multiplex network body ECU) to the position where the guide of the main body ECU (multiplex network body ECU) contacts the housing sidewall of the power distribution box assembly as shown in the illustration.
Make sure to keep the angle at 20° or more as shown in the illustration.
| *a | Housing Sidewall |
|
Slide in this Direction |
Slide the main body ECU (multiplex network body ECU) along the housing sidewall as shown in the illustration and engage the 2 guides.
| *a | Side A |
|
Install in this Direction |
While keeping the main body ECU (multiplex network body ECU) in contact with side A of the power distribution box assembly (axis of rotation), lower it as shown in the illustration.
| *1 | Power Distribution Box Assembly |
| *2 | Main Body ECU (Multiplex Network Body ECU) |
|
Push Area |
Press the push area until the claw engages to install the main body ECU (multiplex network body ECU).
Make sure to press only the push area.
Confirm the engagement of the main body ECU (multiplex network body ECU) and power distribution box assembly by listening for the click sound of the lock engaging.
If a click sound cannot be heard, visually check the engagement of the lock. The engagement can also be confirmed if the main body ECU (multiplex network body ECU) and power distribution box assembly are flush.
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2.INSTALL JUNCTION BLOCK BRACKET
Engage the 2 claws to install the junction block bracket.
3.INSTALL POWER DISTRIBUTION BOX ASSEMBLY WITH MAIN BODY ECU
Engage the 3 claws as shown in the illustration to install the power distribution box assembly with main body ECU.
|
Install in this Direction | - | - |
|
Install in this Direction |
Connect the 2 connectors and push down the 2 lock levers to engage the 2 claws and lock the connector as shown in the illustration.
Be sure to connect the connector securely.
Engage the clamp.
Connect the connector.
Install the power distribution box assembly with main body ECU with the 2 nuts.
|
Install in this Direction |
Connect the 2 connectors and raise the 2 lock levers to engage the 2 claws and lock the connector as shown in the illustration.
Be sure to connect the connector securely.
Engage the 3 clamps.
Connect each connector.
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4.INSTALL NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY
Install the No. 3 instrument panel to cowl brace sub-assembly with the bolt and nut.
Engage the 3 clamps.
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5.INSTALL LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY
6. ECU CONFIGURATION
If the main body ECU (multiplex network body ECU) has been replaced, perform ECU configuration.
7. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL
When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.