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:
Initialization
Items to initialize
The following items must be initialized for normal system operation
after such cases as the battery being reconnected, or maintenance
being performed on the vehicle.
Item
When to initialize
Power sliding door
(if equipped)
After reconnecting o ...
Precaution
1. GENERAL PRECAUTION
When using the battery during inspection, do not
bring the positive and negative tester probes too
close to each other as a short circuit may occur.
PARTS LOCATION
SYSTEM DIAGRAM
1. SIGNAL COMMUNICATION TABLE
Driver Side Power Seat (w ...
Bluetooth Module Initialization Failed
DTC 57-47 Bluetooth Module Initialization Failed
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
57-47
Bluetooth module is not installed.
Problem with Bluetooth module
Problem in communication line to Bluetooth module
...
