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:
Bulb locations
Front
Vehicles without daytime running lights or with bulb type daytime
running lights
Headlight high beam and daytime
running lights (if equipped)
Headlight low beam
(halogen bulb)
Fog light (if equipped)
Front turn signal/parking and
front side marker lights
Vehic ...
Installation
1. INSTALL REAR AXLE BEAM DAMPER
(a) Install the rear axle beam damper to the rear axle
beam assembly.
2. INSTALL REAR AXLE CARRIER BUSH LH
(a) Align the matchmarks on the axle beam assembly
with the 2 notches of a new bushing and temporarily
install the bushing to the rear axle beam assem ...
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "Suspect Area"
column of the table. Check each symptom by checking the
suspected areas in the order they are listed ...
