Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: How To Proceed With Troubleshooting

PROCEDURE

1.	CHECK TIRE AND WHEEL SYSTEM

DIAGNOSIS OF IRREGULAR TIRE WEAR

GO TO STEP 11

DIAGNOSIS OF TIRE VIBRATION

2.	TIGHTEN WHEEL NUTS

Click here

3.	INSPECT TIRES

Click here

GO TO STEP 10

4.	INSPECT AND/OR ADJUST WHEEL BALANCE

Click here

5.	INSPECT FRONT AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT

Click here

GO TO STEP 9

6.	INSPECT REAR AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT

Click here

GO TO STEP 8

7.	PERFORM ROAD TEST

RETURN VEHICLE TO CUSTOMER

8.	REPAIR REAR AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT

Click here

GO TO STEP 7

9.	REPAIR FRONT AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT

Click here

GO TO STEP 6

10.	REPAIR OR REPLACE TIRE(S)

GO TO STEP 4

11.	INSPECT TIRES

Click here

12.	REPAIR OR REPLACE TIRE(S)

13.	INSPECT AND/OR ADJUST FRONT WHEEL ALIGNMENT

Click here

14.	INSPECT AND/OR ADJUST REAR WHEEL ALIGNMENT

Click here

15.	PERFORM ROAD TEST

RETURN VEHICLE TO CUSTOMER

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Lighting System(for Gasoline Model With Cornering Light): Open in B Power Line (B242F)
DESCRIPTION The headlight ECU sub-assembly operates using the power source voltage input from the IG terminal and ECUB terminal. The power source voltage of the ECUB terminal is supplied when the main body ECU (multiplex network body ECU) turns the ECUB power supply relay (H-LP LH relay and H-LP RH ...

Toyota Avalon (XX50) 2019-2022 Owners Manual