Toyota Sienna Service Manual: How to proceed with troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 CHECK INITIAL CHECK FUNCTION
4 PROBLEM SYMPTOMS TABLE
THE CORRESPONDING SYSTEM DOES NOT EXIST (Go to step 5)
5 BASED ON THE MALFUNCTION SYMPTOM, PERFORM THE TROUBLESHOOTING BELOW
- Operation check (C).
- Terminals of ECU
6 ADJUST, REPAIR OR REPLACE
7 CONFIRMATION TEST
END
System description
1. GENERAL
This system uses ultrasonic sensors to detect any
obstacles at the corners and the rear of the vehicle.
The system then informs the driver of the distance
between the sens ...
Operation check
1. DETECTION RANGE MEASUREMENT AND INDICATOR CHECK
Turn the IG switch ON.
Move the shift lever to the R position (when the back
sonar and rear clearance sonar is checked).
...
Other materials:
Inspection
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 tur ...
Reassembly
1. INSTALL FRONT SEAT CUSHION SHIELD LOWER LH
Install the front seat cushion shield lower LH.
2. INSTALL FRONT SEAT CUSHION SHIELD LOWER
RH
3. INSTALL RECLINING ADJUSTER INSIDE COVER LH
Install the reclining adjuster inside cover LH (upper)
with the screw.
4. INSTALL RE ...
DTC check / clear
HINT:
Illustrations may differ from the actual vehicle depending
on the device settings and options. Therefore, some
detailed areas may not be shown exactly the same as on
the actual vehicle.
If the system cannot enter the diagnostic mode, inspect all AVC-LAN
communication ...
