Toyota Sienna Service Manual: How to proceed with troubleshooting
HINT:
- Use these procedures to troubleshoot the power door lock control system.
- The intelligent tester should be used in steps 3 and 5.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
- Interview the customer to confirm the trouble
3 INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)
- Use the intelligent tester to check if the Multiplex Communication System (MPX) is functioning normally.
Result
4 PROBLEM SYMPTOMS TABLE
Result
5 OVERALL ANALYSIS AND TROUBLESHOOTING
- Terminals of ECU
- DATA LIST/ACTIVE TEST
6 REPAIR OR REPLACE
7 CONFIRMATION TEST
END
Parts location
...
Operation check
1. DOOR LOCK FAIL-SAFE
When a malfunction in the door control switch
(manual switch, interlocked with key operation) has
been detected, door lock/unlock operation becomes
disabled.
...
Other materials:
Short in Side Squib LH Circuit
DTC B0115/47 Short in Side Squib LH Circuit
DESCRIPTION
The side squib LH circuit consists of the center airbag sensor assembly and
the front seat side airbag
assembly LH.
This circuit instructs the SRS to deploy when deployment conditions are met.
DTC B0115/47 is recorded when a short ci ...
Engine coolant temperature sensor
COMPONENTS
REMOVAL
1. DRAIN ENGINE COOLANT (See page CO-6)
2. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
3. REMOVE NO. 2 AIR CLEANER INLET (See page EM-
28)
4. REMOVE NO. 1 AIR CLEANER INLET (See page EM-
28)
5. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (See
page ES-493)
6. REMOVE AI ...
Installation
1. REMOVE FRONT SEAT INNER BELT ASSEMBLY
HINT:
Refer to the instructions for reassembly of the front
seat assembly (for flat type).
Refer to the instructions for reassembly of the front
seat assembly (for manual seat).
Refer to the instructions for reassembly of the fr ...
