RM3660EC _57 Power Source / Network _080742 POWER DISTRIBUTION _0392832 MAIN BODY ECU A

POWER DISTRIBUTION MAIN BODY ECU 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.

NOTICE:: ·

After the ignition switch is turned off, the navigation receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 2 minutes before disconnecting the cable from the negative (-) auxiliary battery terminal. (w/o RST Switch (except 10.25 Inch Display))

·

After the ignition switch is turned off, the navigation receiver assembly or radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 1 minutes before disconnecting the cable from the negative (-) auxiliary battery terminal. (for 10.25 Inch Display)

·

When the cable is disconnected from the negative (-) auxiliary battery terminal and the security lock setting has been enabled, multi-display operations will be disabled upon next startup unless the password is entered. Be sure to check the security lock setting before disconnecting the cable from the negative (-) auxiliary battery terminal. (for 10.25 Inch Display)

HINT:

When the cable is disconnected / reconnected to the battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

Learning completes when vehicle is driven (for Gasoline Model)
Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedures	Link
Stop and Start System	Idle the engine for approximately 5 to 60 minutes or drive the vehicle until stop and start control is permitted	(201906,999999,_51,_080774,_0393362,RM100000001HXHC,)
Pre-collision System	Perform steering sensor zero point calibration	(202304,999999,_95,_139716,_0601175,RM100000002BFOE,)
Lane Tracing Assist System	Perform steering sensor zero point calibration	(202304,999999,_95,_139716,_0601175,RM100000002BFOE,)
Front Camera System	Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.	(202304,999999,_95,_139716,_0584193,RM1000000029F4C,)

Learning completes when vehicle is driven (for HV Model)
Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedures	Link
Front Camera System	Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.	(202304,999999,_95,_139716,_0584193,RM1000000029F4C,)

PROCEDURE

Hide Display 1. PRECAUTION

NOTICE:: After turning the ignition switch (for Gasoline Model) or power switch (for HV Model) off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

Hide Display 2.DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

for NR Series: Click hereGeneral>MAINTENANCE>NR Series BATTERY>REMOVAL202304,999999,_V1,_080956,_0392375,RM100000002BCCL_05_0005,

for 8ZR-FXE: Click hereGeneral>MAINTENANCE>8ZR-FXE AUXILIARY BATTERY>REMOVAL202304,999999,_V1,_080956,_0392376,RM100000002ACL7_01_0028,

for M15B-FKS: Click hereGeneral>MAINTENANCE>M15B-FKS BATTERY>REMOVAL202304,999999,_V1,_080956,_0453685,RM100000002ACNG_05_0005,

for M15C-FKS: Click hereGeneral>MAINTENANCE>M15C-FKS BATTERY>REMOVAL202304,999999,_V1,_080956,_0453686,RM100000002ACNH_05_0005,

for M20A-FKS: Click hereGeneral>MAINTENANCE>M20A-FKS BATTERY>REMOVAL202304,999999,_V1,_080956,_0470107,RM100000002ACOV_05_0005,

for M20E-FKS: Click hereGeneral>MAINTENANCE>M20E-FKS BATTERY>REMOVAL202304,999999,_V1,_080956,_0474497,RM100000002ACOX_05_0005,

for M20C-FKS: Click hereGeneral>MAINTENANCE>M20C-FKS BATTERY>REMOVAL202304,999999,_V1,_080956,_0484846,RM100000002ACOW_05_0005,

Hide Display 67914 3.REMOVE FRONT DOOR SCUFF PLATE LH

Click hereVehicle Interior>INTERIOR PANELS / TRIM>ROOF HEADLINING>REMOVAL202304,202307,_58,_080744,_0394267,RM100000002BF4X_02_0001,202307,999999,_58,_080744,_0394267,RM100000002D1GZ_02_0001,

Hide Display 62112A 4.REMOVE COWL SIDE TRIM SUB-ASSEMBLY LH

Click hereVehicle Interior>INTERIOR PANELS / TRIM>ROOF HEADLINING>REMOVAL202304,202307,_58,_080744,_0394267,RM100000002BF4X_02_0268,202307,999999,_58,_080744,_0394267,RM100000002D1GZ_02_0268,

Hide Display 62312B 5.DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP LH

Click hereVehicle Interior>INTERIOR PANELS / TRIM>INSTRUMENT PANEL SAFETY PAD>REMOVAL202304,202307,_58,_080744,_0393716,RM100000002B100_01_0114,202307,999999,_58,_080744,_0393716,RM100000002D3SY_01_0114,

Hide Display 55317E 6.REMOVE NO. 1 INSTRUMENT SIDE PANEL

Click hereVehicle Interior>INTERIOR PANELS / TRIM>INSTRUMENT PANEL SAFETY PAD>REMOVAL202304,202307,_58,_080744,_0393716,RM100000002B100_01_0010,202307,999999,_58,_080744,_0393716,RM100000002D3SY_01_0010,

Hide Display 55606 7.REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

Click hereVehicle Interior>INTERIOR PANELS / TRIM>FRONT CONSOLE BOX>REMOVAL202304,999999,_58,_080744,_0393717,RM100000002AVGF_01_0060,

Hide Display 53601 8.DISCONNECT HOOD LOCK CONTROL LEVER SUB-ASSEMBLY

Click hereVehicle Interior>INTERIOR PANELS / TRIM>INSTRUMENT PANEL SAFETY PAD>REMOVAL202304,202307,_58,_080744,_0393716,RM100000002B100_01_0011,202307,999999,_58,_080744,_0393716,RM100000002D3SY_01_0011,

Hide Display 55432B 9.REMOVE LOWER INSTRUMENT PANEL FINISH PANEL

Click hereVehicle Interior>INTERIOR PANELS / TRIM>INSTRUMENT PANEL SAFETY PAD>REMOVAL202304,202307,_58,_080744,_0393716,RM100000002B100_01_0044,202307,999999,_58,_080744,_0393716,RM100000002D3SY_01_0044,

Hide Display 55308B 10.REMOVE NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY (w/o Knee Airbag)

0,0 0,0 false

	Bolt
	Nut

Remove the bolt, nut and No. 3 instrument panel to cowl brace sub-assembly.

Hide Display 55308B 11.REMOVE NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY (w/ Knee Airbag)

0,0 0,0 false

	Bolt
	Nut

Remove the 2 bolts, nut and No. 3 instrument panel to cowl brace sub-assembly.

Hide Display 12.REMOVE DRIVER SIDE JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU (for NR Series Engine)

Disconnect each connector.

Disengage the clamp.

0,0 0,0 false

Remove in this Direction

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

0,0 0,0 false

	Bolt
	Nut

Remove the bolt and nut.

Disengage the clamp.

Disengage the clamp.

Disengage the clamp.

0,0 0,0 false

Remove in this Direction

Disengage the 2 claws and raise the 2 lock levers to disconnect the 2 connectors as shown in the illustration and remove the driver side junction block assembly with main body ECU.

Hide Display 13.REMOVE POWER DISTRIBUTION BOX ASSEMBLY WITH MAIN BODY ECU (except NR Series Engine)

Disconnect each connector.

Disengage the clamp.

0,0 0,0 false

Remove in this Direction

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

0,0 0,0 false

	Bolt
	Nut

Remove the bolt and nut.

Disengage the clamp.

0,0 0,0 false

Remove in this Direction

Disengage the 2 claws and raise the 2 lock levers to disconnect the 2 connectors as shown in the illustration and remove the power distribution box with main body ECU.

Hide Display 82715Z 14.REMOVE WIRING HARNESS CLAMP BRACKET

Remove the bolt.

Disengage the guide to remove the wiring harness clamp bracket.

Hide Display 15.REMOVE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (for NR Series Engine)

0.167,2.865 0.49,2.865 true 0.656,2.917 1.156,2.917 true 1.208,2.854 1.521,3.01 0.313,0.156 10 false *1 0,2.792 0.313,2.948 0.313,0.156 10 false *2

*1	Driver Side Junction Block Assembly
*2	Main Body ECU (Multiplex Network Body ECU)
	Press in this Direction

Press the claw of the driver side junction block assembly as shown in the illustration to release the lock.

1.583,1.958 1.844,1.688 false 1.49,1.969 1.802,2.125 0.313,0.156 10 false *a

*a	Protective Tape
	Insert in this Direction
	Remove in this Direction

With the driver side 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 driver side junction block assembly.

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).

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).

0,0 0,0 false

	Raise in this Direction (1)
	Remove in this Direction (2)

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.

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

Hide Display 16.REMOVE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (except NR Series Engine)

0.188,2.865 0.479,2.865 true 0.667,2.917 1.167,2.917 true 1.198,2.854 1.51,3.01 0.313,0.156 10 false *1 0.031,2.792 0.344,2.948 0.313,0.156 10 false *2

*1	Power Distribution Box Assembly
*2	Main Body ECU (Multiplex Network Body ECU)
	Press in this Direction

Press the claw of the power distribution box assembly as shown in the illustration to release the lock.

1.625,1.958 1.885,1.688 false 1.479,1.948 1.792,2.104 0.313,0.156 10 false *a

*a	Protective Tape
	Insert in this Direction
	Remove in this Direction

With the power distribution box assembly lock released, insert a screwdriver with its tip wrapped with protective tape horizontally between the main body ECU (multiplex network body ECU) and power distribution box assembly.

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).

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).

0,0 0,0 false

	Raise in this Direction (1)
	Remove in this Direction (2)

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.

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