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 HIGH MOUNTED STOP LIGHT ASSEMBLY
2. INSTALL REAR SPOILER
Install the rear spoiler with the 3 nuts and 2 clips.
Connect the center stop light connector.
3. INSTALL BACK DOOR CENTER GARNISH
Engage the 5 clips to install the back door center
garnish.
...
Rear Door ECU LH Communication Stop
DTC B1217 Rear Door ECU LH Communication Stop
DESCRIPTION
DTC B1217 is output when communication between the power slide door ECU LH
and the multiplex
network gateway ECU stops for more than 10 seconds.
DTC No.
DTC Detection Condition
Trouble Area
B1217
...
How to proceed with
troubleshooting
The intelligent tester can be used in steps 4, 6, 8 and 9.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 PASSENGER AIRBAG ON/OFF INDICATOR CHECK
4 DTCs CHECK (Present and Past DTCs)
Check for DTCs.
Result
GO TO PROBLEM SYMPTOMS TABLE
5 DTCs CHART
6 CIRCUIT ...
