Toyota Sienna Service Manual: Dtc check / clear
1. DTC CHECK/CLEAR (WHEN USING INTELLIGENT TESTER):
(a) DTC check
(1) Connect the intelligent tester to the DLC3.
(2) Turn the ignition switch to the ON position.
(3) Read the DTCs following the prompts on the tester screen.
(b) DTC clear
(1) Connect the intelligent tester to the DLC3.
(2) Turn the ignition switch to the ON position.
(3) Operate the intelligent tester to clear the codes.
HINT: Refer to the intelligent tester operator's manual for further details.
2. DTC CHECK/CLEAR (WHEN USING SST CHECK WIRE):
(a) DTC check
(1) Using SST, connect terminals TC and CG of the DLC3.
SST 09843-18040
(2) Turn the ignition switch to the ON position.
(3) Read DTC from the ABS and VSC warning lights on the combination meter.
HINT:
If no code appears, inspect the TC and CG
terminal circuit, and ABS and VSC warning light
circuits. 
(4) As an example, the illustration below shows the blinking patterns of the normal system code and trouble codes 11 and 21.
(5) Codes are explained in the code table (See page BC-88).
(6) After completing the check, disconnect terminals TC and CG of the DLC3, and turn off the display.
If 2 or more DTCs are detected at the same time, the DTCs will be displayed in ascending order.
(b) DTC clear
(1) Using SST, connect terminals TC and CG of the DLC3.
SST 09843-18040 (2) Turn the ignition switch to the ON position.
(3) Clear the DTCs stored in the ECU by depressing the brake pedal 8 times or more within 5 seconds.
(4) Check that the warning light indicates the normal system code.
(5) Remove the SST from the terminals of the DLC3.
HINT: Clearing the DTCs cannot be performed by removing the battery cable or the ECU-IG fuse.
3. END OF DTC CHECK/CLEAR:
(a) Turn the ignition switch to the ON position.
(b) Check that the ABS and VSC warning lights go off within approximately 3 seconds.
Terminals of ecu
1. Terminal of ECU
(*1): Models with dynamic laser cruise control
(*2): 2WD model
2. Terminal Inspection
(a) Disconnect the connector and measure the voltage
or resistance on the wire harness ...
Freeze frame data
1. FREEZE FRAME DATA
(a) The vehicle (sensor) status, stored during ABS and/
or VSC operation or at the time of an error code
detection, can be displayed by the intelligent tester.
(b) Only one ...
Other materials:
Front Fog Light Circuit
DESCRIPTION
The Multiplex network body ECU controls FOG relay when signal is received
from headlight dimmer
switch assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER
Connect the intelligent tester to DLC3.
Turn the ignition switch ON and push t ...
Cruise Main Indicator Light Circuit
DESCRIPTION
The ECM detects a cruise control switch signal and sends it to the
combination meter through CAN
and BEAN. Then the CRUISE main indicator light comes on.
The CRUISE main indicator light circuit uses CAN and BEAN for
communication. If there is a
malfunction in ...
Air outlet control servo motor (for rear air conditioning system)
ON-VEHICLE INSPECTION
1. INSPECT REAR AIR OUTLET CONTROL SERVO
MOTOR
(a) Inspect servo motor operation.
(1) Connect the positive (+) lead from the battery
to terminal 4 and negative (-) lead to terminal 5,
then check that the arm turns to "FOOT" side
smoothly.
(2) Connect t ...
