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 DTCs.
- 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.
- Inspection.
- Terminals of ECU
7 ADJUST, REPAIR OR REPLACE
8 RESET BACK DOOR SYSTEM
9 CONFIRMATION TEST
END
Back door closer system
PARTS LOCATION
...
Initialization
1. RESET
When the battery is reconnected:
The back door is locked and therefore cannot be
opened. Therefore, it is necessary to unlock the
back door using the door control switch or
...
Other materials:
Disassembly
1. REMOVE BLOWER ASSEMBLY
(a) Remove the 2 screws and the blower assembly.
2. REMOVE MODE DAMPER SERVO SUB-ASSEMBLY
(a) Remove the 3 screws and the mode damper servo
sub-assembly.
3. REMOVE AIRMIX DAMPER SERVO SUB-ASSEMBLY
(a) Remove the 3 screws and the airmix damper servo
sub-as ...
Reassembly
1. INSTALL CENTER CLUSTER MODULE KNOB NO.6
(for Automatic Air Conditioning System)
2. INSTALL CENTER CLUSTER MODULE KNOB NO.5
(for Automatic Air Conditioning System)
3. INSTALL CLOCK ORNAMENT
4. INSTALL PRINTED WIRE INTEGRATION BOARD
SUB-ASSEMBLY (for Automatic Air Conditioning
System)
5. IN ...
Short to GND in Side Squib RH Circuit
DTC B0112/41 Short to GND in Side Squib RH Circuit
DESCRIPTION
The side squib RH circuit consists of the center airbag sensor assembly and
the front seat side airbag
assembly RH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B0112/41 is recorded when a sh ...
