Toyota Sienna Service Manual: 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 |
|
| B1208 | Passenger Side Outer Mirror ECU |
|
| B1209 | Driver Side Outer Mirror |
|
| B1214 | Short to B+ in Door System Communication Bus Malfunction |
|
| B1215 | Short to GND in Door System Communication Bus Malfunction |
|
| B1216 | Rear Door ECU RH Communication Stop |
|
| B1217 | Rear Door ECU LH Communication Stop |
|
| B1262 | A/C ECU Communication Stop |
|
| B1271 | Combination Meter ECU Communication Stop |
|
| B1272 | Power Seat ECU Communication Stop |
|
| B1281 | Airbag ECU Communication Stop |
|
| B1287 | Back Door ECU Communication Stop |
|
HINT: When DTCs indicating "+B or GND short malfunction of communication bus" (B1214, B1215) are detected at the same time as DTCs indicating "communication stop" (B1200, B1208, etc.), repair DTCs indicating "+B or GND short malfunction of communication bus" first.
- MPX Body ECU Stop
- Passenger Side Outer Mirror ECU
- Driver Side Outer Mirror
- Short to B+ in Door System Communication Bus Malfunction/ Short to GND in Door System Communication Bus Malfunction
- Rear Door ECU RH Communication Stop
- Rear Door ECU LH Communication Stop
- A/C ECU Communication Stop
- Combination Meter ECU Communication Stop
- Power Seat ECU Communication Stop
- Airbag ECU Communication Stop
- Back Door ECU Communication Stop
DTC check / clear
1. CHECK DTC
Prepare the intelligent tester.
Connect the intelligent tester to DLC3.
Turn the ignition switch to the ON position and turn
the intelligent tester main switch ON.
Use the i ...
MPX Body ECU Stop
DTC B1200 MPX Body ECU Stop
DESCRIPTION
This DTC is detected when communication between the multiplex network body
ECU and the multiplex
network gateway ECU stops for more than 10 seconds.
...
Other materials:
Preparation 2gr-fe engine mechanical
SST
RECOMMENDED TOOLS
EQUIPMENT
HINT:
Torx is registered trademark of Textron Inc.
SSM
...
U151f automatic transaxle
Service data
TORQUE SPECIFICATIONS
...
SFR Solenoid Circuit
DESCRIPTION
The solenoid comes on when signals are received from the ECU and controls the
pressure acting on the
wheel cylinders, thus controlling brake force.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 RECONFIRM DTC
HINT:
These codes are detected when a problem is identified in the
...
