Toyota Sienna Service Manual: Communication Error from VSC to ECM
DTC P1630 Communication Error from VSC to ECM
DTC U0122 Lost Communication with Vehicle Dynamics Control Module
DESCRIPTION
The skid control ECU sends signals such as cruise control cancel demand signals and brake operation demand (from ECM) response signals to the ECM when the dynamic laser cruise control system is in operation.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|
P1630 |
While the dynamic laser cruise control is either preparing for operation or operating, if communication data from the skid control ECU is logically inconsistent for a certain amount of time, the ECM records this logical error code |
|
|
U0122 |
While dynamic laser cruise control is either preparing for operation or operating, if communication data from the skid 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
Distance Control ECU Malfunction
DTC P1617 Distance Control ECU Malfunction
DESCRIPTION
In the dynamic laser cruise control system, the ECM and the distance control
ECU communicate with one
another to control the system based on ...
Communication Error from ECM to VSC
DTC P1631 Communication Error from ECM to VSC
DTC U0100 Lost Communication with ECM/PCM "A"
DESCRIPTION
The ECM sends signals such as A/T information signals, dynamic laser cruise
contr ...
Other materials:
Crankshaft Position Sensor "A" Circuit
DTC P0335 Crankshaft Position Sensor "A" Circuit
DTC P0339 Crankshaft Position Sensor "A" Circuit Intermittent
DESCRIPTION
The Crankshaft Position (CKP) sensor system consists of a CKP sensor plate
and a pickup coil. The
sensor plate has 34 teeth and is installed on the cra ...
Registering and connecting from the “Bluetooth* Setup” screen
To display the screen shown below, press the “SETUP” button and
select “Bluetooth*” on the “Setup” screen.
Select to connect the device to
be used with audio system.
Select to register a Bluetooth® device to be used with audio system.
Select to set detailed
Blueto ...
Installation
1. INSTALL PROPELLER W/CENTER BEARING SHAFT ASSEMBLY
(a) Align the matchmarks on the propeller shaft
assembly rear flange and differential companion
flange, and connect the shaft with the 4 bolts,
washers and nuts.
(b) Remove SST(s) from the extension housing.
(c) Insert the yoke int ...
