Toyota Sienna Service Manual: Data list / active test
1. DATA LIST
HINT: Using the intelligent tester's DATA LIST allows the status of a switch, sensor, actuator and other items to be read without removing any parts. Reading the DATA LIST early in troubleshooting is one way to save time.
- Connect the intelligent tester (with CAN VIM) to the DLC3.
- Turn the ignition switch on.
- Read the DATA LIST.
D_SEAT (Position control ECU and switch assembly)
2. ACTIVE TEST
HINT: Using the intelligent tester's ACTIVE TEST allows the relay, VSV, actuator, and other items to be operated without removing any parts. Reading the ACTIVE TEST early in troubleshooting is one way to save time. The DATA LIST can be displayed during the ACTIVE TEST.
- Connect the intelligent tester (with CAN VIM) to the DLC3.
- Turn the ignition switch on.
- Perform the ACTIVE TEST by following the directions on the tester screen.
D_SEAT (Position control ECU and switch assembly)
Diagnosis system
1. DESCRIPTION
Front power seat control system data can be read
through the Data Link Connector 3 (DLC3) of the
vehicle. When the system seems to be
malfunctioning, use the intelligent ...
On-vehicle inspection
1. CHECK POWER SEAT FUNCTION
Check the basic functions.
Operate the power seat switches and check the
following seat functions:
Sliding
Reclining
&nbs ...
Other materials:
Adjustment
HINT:
If the malfunction does not disappear by following the
procedure in ADJUSTMENT and the rear No. 2 seat
assembly needs to be replaced, do not disassemble the rear
No. 2 seat assembly.
1. ADJUST FRONT LEG
HINT:
Perform the following procedure if the inner leg does not
lock.
P ...
Terminals of ECU
1. TELEVISION CAMERA ASSEMBLY
Disconnect the T10 camera connector
Measure the voltage and resistance of each
terminal of the wire harness side connector.
If the result is not as specified, there may be a
malfunction on the wire harness side.
Reconnect the T10 ...
Actuator Supply Voltage Circuit / Open
DTC P0657 Actuator Supply Voltage Circuit / Open
DESCRIPTION
The ECM monitors the output voltage to the throttle actuator. This self-check
ensures that the ECM is
functioning properly. The output voltage is usually 0 V when the ignition switch
is turned off. If the output
voltage is higher t ...
