Toyota Sienna Service Manual: Front axle hub

Front axle hub bolt

COMPONENTS Replacement HINT: Replace the RH side using the same procedures as for the LH side. 1. REMOVE FRONT WHEEL 2. SEPARATE FRONT DISC BRAKE CALIPER ASSEMBLY LH (See page AH-5) 3. REM ...

On-vehicle inspection

1. INSPECT FRONT 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 t ...

Other materials:

Front Occupant Classification Sensor RH Collision Detection
DTC B1786 Front Occupant Classification Sensor RH Collision Detection DESCRIPTION DTC B1786 is output when the occupant classification ECU receives a collision detection signal sent by the front occupant classification sensor RH if an accident occurs. DTC B1786 is also output when the front ...

Open in Occupant Classification ECU Battery Positive Line
DTC B1794 Open in Occupant Classification ECU Battery Positive Line DESCRIPTION This circuit consists of the occupant classification ECU and the power source circuit (battery, fuse, wire harness). DTC B1794 is recorded when a malfunction is detected in the occupant classification ECU or t ...

Terminals of ECU
1. CHECK POWER SLIDE DOOR ECU LH Disconnect the P25 and P26 ECU connectors, and check the voltage and resistance of each terminal of the wire harness side connectors If the result is not as specified, there may be a malfunction on the wire harness side.  Reconnect the EC ...