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:
Installation
1. INSTALL SLIDING ROOF HOUSING ASSEMBLY
Install the housing with the 6 nuts.
Install the 4 brackets with the 8 bolts.
Connect the 4 hoses and drive gear connector.
2. ADJUST SLIDING ROOF GLASS SUB-ASSEMBLY
Check for a difference in levels between the sliding
roof (roof glass) a ...
Steering Pad Switch Circuit
DESCRIPTION
This circuit sends an operation signal from the steering pad switch to the
radio receiver.
If there is an open in the circuit, the audio system cannot be operated using
the steering pad switch.
If there is a short in the circuit, the same condition as that when the switch
is ...
Using the radio
Radio operation
Select “AM” or “FM” on the audio source selection screen to
begin listening to the radio.
Audio control screen
Pressing the “AUDIO” button displays the audio control screen from
any screens of the selected source.
Audio source selection screen
appears
Pre ...
