Toyota Sienna Service Manual: How to proceed with troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 CHECK AND CLEAR DTCs
- Refer to the diagnostic check/clear
4 PROBLEM SYMPTOM CONFIRMATION
5 SYMPTOM SIMULATION
6 CHECK DTC
7 CHECK IF THE SAME SYMPTOM APPEARS IN THE NAVIGATION SYSTEM
- Refer to the navigation system
8 PROBLEM SYMPTOMS TABLE
- Refer to the problem symptoms table
9 BASED ON THE MALFUNCTION SYMPTOM, PERFORM TROUBLESHOOTING BELOW
- Terminals of ECU
10 ADJUST, REPAIR OR REPLACE
11 CONFIRMATION TEST
END
System description
1. GENERAL
To assist the driver with parking the vehicle by
displaying an image of the area behind the vehicle,
this system has a television camera mounted on the
luggage compartment d ...
Problem symptoms table
Before inspecting the suspected areas listed in the table
below, check the fuse and relay.
Before inspecting the suspected areas listed in the table
below, check the DTCs.
Metho ...
Other materials:
Rear Airbag Sensor LH Circuit Malfunction
DTC B1155/39 Rear Airbag Sensor LH Circuit Malfunction
DESCRIPTION
The rear airbag sensor LH circuit consists of the center airbag sensor
assembly and rear airbag sensor
LH.
If the center airbag sensor assembly receives signals from the rear airbag
sensor LH, it judges whether or
not the ...
Short in Driver Side Squib 2nd Step Circuit
DTC B1180/17 Short in Driver Side Squib 2nd Step Circuit
DESCRIPTION
The driver side squib 2nd step circuit consists of the center airbag sensor
assembly, the spiral cable and
the steering pad.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1180/17 is rec ...
Installation
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1. INSTALL REAR AIRBAG SENSOR LH
Check that the ignition switch is off.
Check that the battery negative (-) terminal is
disconnected.
CAUTION:
...
