Toyota Sienna Service Manual: How to proceed with troubleshooting
HINT: Troubleshoot in accordance with the procedures on the following pages.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
3 INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)
- Use the intelligent tester to check for normal function of the multiplex communication system.
- (ECU unconnected, communication line malfunctioning) Without code outputs, proceed to A.
- (ECU unconnected, communication line malfunctioning) With code outputs, proceed to B.
4 DTC CHECK
- Check for a diagnostic trouble code.
- Without code outputs, proceed to A.
- With code outputs, proceed to B.
5 PROBLEM SYMPTOMS TABLE
- When problem is not listed on problem symptoms table, proceed to A.
- When problem is listed on problem symptoms table, proceed to B.
6 PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM
- Data List / Active Test.
- Operation check.
- Inspection.
- Terminals of ECU
7 ADJUST, REPAIR OR REPLACE
8 RESET POWER SLIDE DOOR SYSTEM
9 CONFIRMATION TEST
END
Power slide door system
PARTS LOCATION
...
Operation check
NOTICE:
Inspection should be started after conforming that the
items listed in the "CUSTOMIZE PARAMETER" for the
power slide door system have defaulted to the initial
settings.
1. CHECK ...
Other materials:
Open in Curtain Shield Squib RH Circuit
DTC B1161/84 Open in Curtain Shield Squib RH Circuit
DESCRIPTION
The curtain shield squib RH circuit consists of the center airbag sensor
assembly and the curtain shield
airbag assembly RH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1161/84 is recorde ...
Removal
1. RECOVER REFRIGERANT FROM REFRIGERATION
SYSTEM (See page AC-172)
2. REMOVE FRONT WHEEL RH
3. REMOVE FRONT FENDER APRON SEAL RH (See
page EM-26)
4. REMOVE V-RIBBED BELT (See page EM-6)
5. REMOVE RADIATOR AND FAN ASSEMBLY
(See page CO-28)
6. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY
(a) Re ...
AVC-LAN Circuit
DESCRIPTION
Each unit of the audio system connected to the AVC-LAN (communication bus)
transfers the signal of
each switch by communication.
When a short to +B or short to ground occurs in this AVC-LAN, the audio system
will not function normally
as the communication is discontinued.
INSP ...
