1. INSPECT LOWER BALL JOINT ASSEMBLY FRONT LH

(a) As shown in the illustration, flip the ball joint stud back and forth 5 times, before installing the nut.
(b) Using a torque wrench, turn the nut continuously at a rate of 3 - 5 seconds per 1 turn and take the torque reading on the 5th turn.
Turning torque: 0.98 to 3.43 N*m (10 to 35 kgf*cm, 8.7 to 30 in.*lbf)
Removal
InstallationGeneral information
A large number of ECU controlled systems are used in the
SIENNA. In general, ECU controlled systems are considered
to be very intricate, requiring a high level of technical
knowledge to troubleshoot. However, most problem checking
procedures only involve inspecting the ECU controlled
system's c ...
Reclining Motor Circuit
DESCRIPTION
The fold seat control ECU receives a switch operation signal from the power
rear no. 2 seat switch and
the fold seat switch, and activates the reclining motor. At this time, the Hall
IC (seatback position sensor)
detects the actuation of the seatback and sends a seatback actuation ...
Front Airbag Sensor LH Circuit Malfunction
DTC B1149/37 Front Airbag Sensor LH Circuit Malfunction
DESCRIPTION
The front airbag sensor LH circuit consists of the center airbag sensor
assembly and front airbag sensor
LH.
If the center airbag sensor assembly receives signals from the front airbag
sensor LH, it judges whether or
not ...