Toyota Sienna Service Manual: Problem symptoms table
RESULT LIST OF CHECK CAN BUS LINE
|
Symptom |
Suspected Area |
| All ECUs and sensors connected to the CAN communication system are not displayed on intelligent tester | CAN Bus Line |
| The result of "CAN BUS WIRE CHECK" is "Open in CAN Main Bus Line". | Open in CAN Main Bus Line |
| The result of "CAN BUS WIRE CHECK" is "Short in CAN Bus Lines". | Short in CAN Bus Lines |
| The result of "CAN BUS WIRE CHECK" is "Short to B+ in CAN Bus Line". | Short to B+ in CAN Bus Line |
| The result of "CAN BUS WIRE CHECK" is "Short to GND in CAN Bus Line". | Short to GND in CAN Bus Line |
COMMUNICATION STOP MODE TABLE
|
Symptom |
Suspected Area |
| Engine not displayed on intelligent tester | 1. ECM Communication Stop Mode |
| Gateway not displayed on intelligent tester | 1. Gateway ECU Communication Stop Mode |
| ABS/ VSC/ TRC not displayed on intelligent tester. *1 | 1. Skid control ECU Communication Stop Mode |
| Yaw rate/ deceleration sensor not displayed intelligent tester. *1 | 1. Yaw Rate Sensor Communication Stop Mode |
| Steering angle sensor not displayed on intelligent tester. *1 | 1. Steering Angle Sensor Communication Stop Mode |
| Distance control not displayed on intelligent tester. *2 | 1. Distance Control ECU Communication Stop Mode |
HINT:
- *1: with VSC
- *2: with Dynamic radar cruise control
How to proceed with
troubleshooting
NOTICE:
DTCs for the CAN communication system are as follows:
U0073, U0100, U0122, U0123, U0124, U0126 and U1101.
HINT:
If U0235 or U1102 is output alone, the CAN communication is
normal
1 CHECK ...
Terminals of ECU
1. JUNCTION CONNECTOR
Junction connector
with VSC
HINT:
*1: with Dynamic laser cruise control
without VSC
CAN junction connector (with VSC)
with VSC
The connection ...
Other materials:
System Voltage
DTC P0560 System Voltage
MONITOR DESCRIPTION
The battery supplies electricity to the ECM even when the ignition switch is
off. This power allows the
ECM to store data such as DTC history, freeze frame data and fuel trim values.
If the battery voltage falls
below a minimum level, these memori ...
Transmitter ID1 Error
DESCRIPTION
The tire pressure warning valve and transmitters that are installed in the
tire and wheel assemblies
measure the air pressure of the tires. The measured values are transmitted to
the tire pressure warning
antenna and receiver on the body as radio waves and then sent to the tir ...
Installation with LATCH system (third seat)
Manual seat
Fold the seatback while pulling
the strap. Return the seatback
and secure it at the 1st lock
position (most upright position).
Adjust the seatback to the
11th lock position.
1st lock position
11th lock position
Power seat
Fold down the seatb ...
