Toyota Sienna Service Manual: On-vehicle inspection
1. INSPECT REAR AXLE HUB BEARING BACKLASH
(a) Using a dial gauge, check for backlash near the center of the axle hub.
Maximum: 0.05 mm (0.0020 in.)
If backlash exceeds the maximum, replace the axle hub assembly.
NOTICE: Ensure that the dial gauge is set at right angles to the measurement surface.
2. INSPECT REAR AXLE HUB BEARING DEVIATION
(a) Using a dial gauge, check for deviation in the surface of the axle hub outside the hub bolt.
Maximum: 0.07 mm (0.0027 in.)
If backlash exceeds the maximum, replace the axle hub assembly.
NOTICE: Ensure that the dial gauge is set at right angles to the measurement surface.
Rear axle hub and bearing (for 4wd)
COMPONENTS
...
Removal
HINT:
Replace the RH side by the same procedures as the LH side.
1. REMOVE REAR WHEEL
2. REMOVE REAR AXLE SHAFT LH NUT (See page DS-
22)
3. SEPARATE REAR DISC BRAKE CALIPER
ASSEMBLY LH
(a) Remo ...
Other materials:
Removal
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1. PRECAUTION
CAUTION:
Be sure to read "PRECAUTION" thoroughly before servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
CAUTION:
Wait for 90 seconds ...
How to proceed with
troubleshooting
NOTICE:
DTCs for the CAN communication system are as follows:
U0073, U0100, U0122, U0123, U0124, U0126 and U1101.
HINT:
If U0235 or U1102 is output alone, the CAN communication is
normal
1 CHECK AND CLEAR DTCS
HINT:
CAN communication DTCs are output when there is an
open or short in any ...
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
ope ...
