Toyota Sienna Service Manual: Communication Error from Distance Control ECU to ECM
DTC P1615 Communication Error from Distance Control ECU to ECM
DTC U1101 Lost Communication with Distance Control ECU
DESCRIPTION
The distance control ECU receives information about the area in front of the vehicle from the laser sensor and then sends a brake control demand signal (deceleration demand) and diagnosis signals, such as laser sensor grime signals or laser sensor malfunction signals, to the ECM.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|
P1615 |
While the dynamic laser cruise control is either preparing for operation or operating, if communication data from the distance control ECU is logically inconsistent for a certain amount of time, the ECM records this logical error code |
|
|
U1101 |
While the dynamic laser cruise control is either preparing for operation or operating, if communication data from the distance control ECU is invalid for a certain amount of time, the ECM records this communication cut off code |
|
INSPECTION PROCEDURE
HINT: This circuit uses CAN communication. Therefore, if there are any malfunctions in the communication circuit, one or more DTCs in the CAN communication system are output.
1 CHECK CAN COMMUNICATION SYSTEM
Refer to HOW TO PROCEED WITH TROUBLESHOOTING
END
Brake System Malfunction
DTC P1578 Brake System Malfunction
DESCRIPTION
This DTC is output when the VSC system has a problem. Check the VSC system
when this DTC is
output
DTC No.
DTC Detection Conditio ...
Communication Error from ECM to Distance
Control ECU
DTC P1616 Communication Error from ECM to Distance
Control ECU
DTC U0100 Lost Communication with ECM/PCM "A"
DESCRIPTION
The ECM receives signals from each sensor and ECU, then sends sig ...
Other materials:
Television camera
COMPONENTS
REMOVAL
1. REMOVE BACK DOOR GARNISH CENTER
HINT:
Back Door:
Power Back Door:
2. REMOVE BACK DOOR SIDE GARNISH LH
HINT:
Back Door:
Power Back Door:
3. REMOVE BACK DOOR SIDE GARNISH RH
Back Door:
Power Back Door: ...
Problem symptoms table
HINT:
Inspect the "Fuse" and "Relay" before confirming the
suspected area as shown in the table below.
DISPLAY FUNCTION:
SOUND FUNCTION:
REMOTE CONTROL FUNCTION:
*1: without Navigation System
*2: with Navigation System ...
“Contact/Call History Settings” screen
Display the “Phone/Message Settings” screen.
Select “Contact/Call History Settings”.
Select the desired item to be set.
For PBAP compatible
Bluetooth® phones, select to
set “Automatic Transfer” on/
off. When set to on, the
phone’s contact data and history
a ...
