Toyota Sienna Service Manual: Front power seat control system
- Precaution
- System description
- How to proceed with troubleshooting
- Problem symptoms table
- Terminals of ECU
- Diagnosis system
- Data list / active test
- On-vehicle inspection
Seat
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Precaution
1. GENERAL PRECAUTION
When using the battery during inspection, do not
bring the positive and negative tester probes too
close to each other as a short circuit may occur.
PARTS LOCATI ...
Other materials:
Diagnostic trouble code chart
If a malfunction code is displayed during the DTC check,
check the circuit listed for that code in the chart below
(Proceed to the page given for that circuit).
MULTIPLEX COMMUNICATION SYSTEM
DTC Code
Detection Item
Trouble Area
B1200
MPX Body ECU Stop
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Reassembly
1. INSTALL BACK DOOR STOPPER LOWER
Install the 2 stoppers with the 4 bolts.
Torque: 7.0 N*m (71 kgf*cm, 62 in.*lbf)
2. INSTALL BACK DOOR BASE STOPPER BRACKET
Install the 2 brackets with the 4 bolts.
Torque: 7.0 N*m (71 kgf*cm, 62 in.*lbf)
3. INSTALL BACK DOOR WITH MOTOR LOCK ASSEMB ...
Airbag ECU Communication Stop
DTC B1281 Airbag ECU Communication Stop
DESCRIPTION
DTC B1281 is output when communication between the airbag ECU and the
multiplex network gateway
ECU stops for more than 10 seconds.
DTC No.
DTC Detection Condition
Trouble Area
B1281
Airbag ECU communi ...
