Toyota Sienna Service Manual: Skid Control Buzzer Circuit
DESCRIPTION
The skid control buzzer sounds and SLIP indicator blinking during VSC operation.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST USING INTELLIGENT TESTER (SKID CONTROL BUZZER)
(a) Connect the intelligent tester to the DLC3.
(b) Start the engine.
(c) Select the item "VSC / BR WARN BUZ" in the ACTIVE TEST and operate the skid control buzzer on the intelligent tester.
ABS / VSC: 
(d) Check that skid control buzzer sounds by operating with the intelligent tester.
OK: The skid control buzzer sounds in accordance with operation of the intelligent tester.
REPLACE BRAKE ACTUATOR ASSEMBLY
2 INSPECT SKID CONTROL BUZZER
(a) Disconnect the skid control buzzer connector.
(b) Apply battery negative voltage to terminal 1, and battery positive voltage to terminal 2 of the skid control buzzer connector, and check that the buzzer sounds.
OK: The skid control buzzer sound should be heard.
3 CHECK HARNESS AND CONNECTOR (SKID CONTROL BUZZER - SKID CONTROL ECU)
(a) Disconnect the skid control buzzer connector and the skid control ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance 
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance
NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70)
REPLACE BRAKE ACTUATOR ASSEMBLY
Slip Indicator Light does not Come ON
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN and
multiplex communications.
The SLIP indicator blinks during VSC and/or TRAC operation.
When the system fails, ...
TC and CG Terminal Circuit
DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the ECU to display the DTC
by blinking the ABS
warning light and/or VSC warning light.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTI ...
Other materials:
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 t ...
Open in Front Passenger Side Squib Circuit
DTC B0106/54 Open in Front Passenger Side Squib Circuit
DESCRIPTION
The front passenger side squib circuit consists of the center airbag sensor
assembly and the front
passenger airbag assembly.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B0106/54 is rec ...
Short to B+ in Side Squib LH Circuit
DTC B0118/46 Short to B+ in Side Squib LH Circuit
DESCRIPTION
The side squib LH circuit consists of the center airbag sensor assembly and
the front seat side airbag
assembly LH (side squib LH).
This circuit instructs the SRS to deploy when deployment conditions are met.
DTC B0118/46 is re ...
