Toyota Avalon (XX50): Frame Wire

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Engine / Hybrid / Battery Control / Frame Wire

Components

COMPONENTS

ILLUSTRATION

BATTERY SERVICE HOLE COVER

SERVICE PLUG GRIP

ILLUSTRATION

*1	CONNECTOR COVER ASSEMBLY	*2	ENGINE ROOM MAIN WIRE
	Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": Nm (kgfcm, ft.*lbf)		Nm (kgfcm, ft.*lbf): Specified torque

ILLUSTRATION

*1	REAR UNDER COVER	*2	REAR UNDER SIDE COVER LH
*3	REAR UNDER SIDE COVER RH	*4	REAR SEAT CUSHION LEG SUB-ASSEMBLY
*5	REAR SEAT CUSHION ASSEMBLY	*6	REAR DOOR SCUFF PLATE LH
*7	REAR DOOR SCUFF PLATE RH	*8	REAR SEAT CUSHION LOCK HOOK
*9	REAR CENTER SEAT OUTER BELT ASSEMBLY	-	-
	Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": Nm (kgfcm, ft.*lbf)	●	Non-reusable part

ILLUSTRATION

*1	NO. 1 FLOOR UNDER COVER	*2	CENTER NO. 2 FLOOR HEAT INSULATOR
	Nm (kgfcm, ft.*lbf): Specified torque	-	-

ILLUSTRATION

*1	HV FLOOR UNDER WIRE	*2	NO. 1 HV BATTERY COVER PANEL RH
*3	TRANSMISSION CONTROL CABLE ASSEMBLY	*4	BATTERY COVER LOCK STRIKER
	Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": Nm (kgfcm, ft.*lbf)		Nm (kgfcm, ft.*lbf): Specified torque
●	Non-reusable part	-	-

Installation

INSTALLATION

PROCEDURE

1. INSTALL HV FLOOR UNDER WIRE

CAUTION:

Be sure to wear insulated gloves.

(a) Insert the HV floor under wire into the floor panel hole and engage the grommet.

(b) Install 2 new clamps in the order shown in the illustration.

Torque:

8.0 N·m {82 kgf·cm, 71 in·lbf}

(d) Install the 2 nuts and new clamp in the order shown in the illustration.

Torque:

8.0 N·m {82 kgf·cm, 71 in·lbf}

(e) Install the nut.

Torque:

8.0 N·m {82 kgf·cm, 71 in·lbf}

(f) Connect the HV floor under wire connector.

(g) Engage the clamp.

(h) Install the 2 nuts.

Torque:

8.0 N·m {82 kgf·cm, 71 in·lbf}

(i) Install the HV floor under wire with the 2 nuts.

Torque:

8.0 N·m {82 kgf·cm, 71 in·lbf}

2. CONNECT TRANSMISSION CONTROL CABLE ASSEMBLY

(a) Connect the transmission control cable assembly to the vehicle body with the 2 nuts.

Torque:

6.0 N·m {61 kgf·cm, 53 in·lbf}

3. INSTALL CENTER NO. 2 FLOOR HEAT INSULATOR

(a) Install the center No. 2 floor heat insulator with the 3 nuts.

Torque:

5.0 N·m {51 kgf·cm, 44 in·lbf}

4. INSTALL NO. 1 FLOOR UNDER COVER

Click here

5. INSTALL EXHAUST MANIFOLD

Click here

6. INSTALL FRONT EXHAUST PIPE ASSEMBLY

Click here

7. CONNECT HV FLOOR UNDER WIRE

CAUTION:

Be sure to wear insulated gloves.

(a) Connect the shield ground to the HV battery.

(b) Connect the 2 HV battery junction block assembly connectors.

NOTICE:

Make sure that the connectors are connected securely.

8. INSTALL NO. 1 HV BATTERY COVER PANEL RH

Click here

9. INSTALL REAR SEAT CUSHION LEG SUB-ASSEMBLY

Click here

10. INSTALL REAR UNDER COVER

Click here

11. INSTALL REAR UNDER SIDE COVER LH

Click here

12. INSTALL REAR DOOR SCUFF PLATE LH

Click here

13. INSTALL REAR UNDER SIDE COVER RH

Click here

14. INSTALL REAR DOOR SCUFF PLATE RH

HINT:

Use the same procedure as for the LH side.

15. INSTALL REAR SEAT CUSHION LOCK HOOK

Click here

16. INSTALL REAR SEAT CUSHION ASSEMBLY

Click here

17. CONNECT REAR CENTER SEAT OUTER BELT ASSEMBLY

Click here

18. CONNECT HV FLOOR UNDER WIRE

Click here

19. CONNECT ENGINE ROOM MAIN WIRE

CAUTION:

Be sure to wear insulated gloves.

NOTICE:

Do not allow any foreign matter or water to enter the inverter with converter assembly.

(a) Connect the inverter with converter assembly connector and move the lock lever to lock them.

NOTICE:

Do not touch the waterproof seal or terminals of the connectors.
To prevent damage due to static electricity, do not touch the terminals of the disconnected connectors.
Do not damage the terminals, connector housing or inverter with converter assembly when connecting the connectors.

20. INSTALL SERVICE PLUG GRIP

Click here

21. INSPECT FOR EXHAUST GAS LEAK

If gas is leaking, tighten the areas necessary to stop the leak. Replace damaged parts as necessary.

(a) Perform "Inspection After Repair" after repairing an exhaust gas leak.

Click here

Removal

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 HV floor under wire removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed
*: When performing learning using the Techstream. Click here
Auxiliary battery terminal is disconnected/reconnected	Perform steering sensor zero point calibration	Lane departure alert system (w/ Steering Control)
		Pre-collision system
		Intelligent clearance sonar system*
		Lighting System (for HV Model with Cornering Light)
	Memorize steering angle neutral point	Parking assist monitor system
	Memorize steering angle neutral point	Panoramic view monitor system
Replacement of air fuel ratio sensor Gas leak from exhaust system is repaired	Inspection After Repair	Poor idle, etc. Engine start function, etc.

CAUTION:

Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair manual.
Click here
To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.
To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

NOTICE:

After turning the power switch 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.

Click here

PROCEDURE

1. REMOVE SERVICE PLUG GRIP

Click here

2. DISCONNECT ENGINE ROOM MAIN WIRE

CAUTION:

Be sure to wear insulated gloves.

NOTICE:

Do not allow any foreign matter or water to enter the inverter with converter assembly.

(a) Move the lock lever while pushing the lock on the connector, and disconnect the inverter with converter assembly connector.

NOTICE:

Do not damage the terminals, connector housing or inverter with converter assembly during disconnection.
Cover the hole where the cable was connected with tape (non-residue type) or equivalent to prevent entry of foreign matter.
Insulate the disconnected terminals with insulating tape.
Do not touch the waterproof seal or terminals of the connector.

3. REMOVE CONNECTOR COVER ASSEMBLY

Click here

4. CHECK TERMINAL VOLTAGE

Click here

5. TEMPORARILY INSTALL CONNECTOR COVER ASSEMBLY

Click here

6. DISCONNECT HV FLOOR UNDER WIRE

Click here

7. DISCONNECT REAR CENTER SEAT OUTER BELT ASSEMBLY

Click here

8. REMOVE REAR SEAT CUSHION ASSEMBLY

Click here

9. REMOVE REAR SEAT CUSHION LOCK HOOK

Click here

10. REMOVE REAR DOOR SCUFF PLATE LH

Click here

11. REMOVE REAR UNDER SIDE COVER LH

Click here

12. REMOVE REAR DOOR SCUFF PLATE RH

HINT:

Use the same procedure as for the LH side.

13. REMOVE REAR UNDER SIDE COVER RH

Click here

14. REMOVE REAR UNDER COVER

Click here

15. REMOVE REAR SEAT CUSHION LEG SUB-ASSEMBLY

Click here

16. REMOVE NO. 1 HV BATTERY COVER PANEL RH

Click here

17. DISCONNECT HV FLOOR UNDER WIRE

CAUTION:

Be sure to wear insulated gloves.

(a) Disconnect the 2 HV battery junction block assembly connectors.

NOTICE:

Insulate each disconnected high-voltage connector with insulating tape. Wrap the connector from the wire harness side to the end of the connector.

*a	Shield Ground

(b) Disconnect the shield ground from the HV battery.

18. REMOVE FRONT EXHAUST PIPE ASSEMBLY

Click here

19. REMOVE EXHAUST MANIFOLD

Click here

20. REMOVE NO. 1 FLOOR UNDER COVER

Click here

21. REMOVE CENTER NO. 2 FLOOR HEAT INSULATOR

(a) Remove the 3 nuts and center No. 2 floor heat insulator.

22. DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY

(a) Remove the 2 nuts and disconnect the transmission control cable assembly.

23. REMOVE HV FLOOR UNDER WIRE

CAUTION:

Be sure to wear insulated gloves.

NOTICE:

Insulate the disconnected connectors with insulating tape.

(a) Remove the 2 nuts.

(b) Remove the 2 clamps.

NOTICE:

If the clamps are removed forcibly, the stud bolts may be damaged.

(d) Remove the 3 nuts.

(e) Remove the 2 nuts and clamp.

NOTICE:

If the clamp is removed forcibly, the stud bolt may be damaged.

(f) Disengage the clamp.

(g) Disconnect the HV floor under wire connector.

(h) Remove the nut and HV floor under wire.

Coolant(for Inverter)

Fuse Box

See More:

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Maintenance: 2gr-fks Battery
Components COMPONENTS ILLUSTRATION *1 BATTERY *2 NEGATIVE BATTERY TERMINAL *3 POSITIVE BATTERY TERMINAL *4 NO. 2 BATTERY CLAMP *5 BATTERY TERMINAL CAP - - Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf) N*m (kgf*cm, ft.*l ...