Toyota Sienna Service Manual: 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
NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).
1 CHECK CAN COMMUNICATION SYSTEM
(a) Check if the CAN communication system DTC is output (See page BC-82).
Result
2 INSPECT DLC3
(a) Turn the ignition switch to the ON position.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage
Result 
3 CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM)
(a) Turn the ignition switch off.
(b) Disconnect the ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance 
4 CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND)
(a) Measure the resistance according to the value(s) in the table below.
Standard resistance
5 CHECK ECM (TC of DLC3 INPUT)
(a) Reconnect the ECM connector.
(b) Using SST, connect terminals TC and CG of the DLC3.
SST 09843-18040
(c) Turn the ignition switch to the ON position.
(d) Check that the check engine warning light is blinking.
Result 
HINT: If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part (See page BC-79).
REPLACE BRAKE ACTUATOR ASSEMBLY
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 ...
TS and CG Terminal Circuit
DESCRIPTION
In the sensor check mode, a malfunction of the speed sensor that cannot be
detected when the vehicle is
stopped is detected while driving.
Transition to the sensor check mode can be ...
Other materials:
Power Back Door Warning Buzzer does not Sound
DESCRIPTION
The power back door system uses a warning buzzer built into the
back door, which has 3 ways of
sounding that are used differently according to the situations:
When all the following conditions are met, the warning buzzer sounds at
a cycle of 0.3 seconds:
* The ignitio ...
Installation
1. INSTALL OUTSIDE MOULDING
Using a heat light, heat the mounting surface of the
vehicle body between 40 to 60 C (104 to 140 F).
NOTICE:
Do not heat the body excessively.
Remove the tape from the vehicle body.
Wipe off the stains with cleaner.
Clean the outside moulding (if reusing t ...
SRS Warning Light does not Come ON
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK BATTERY
Measure the voltage of the battery.
Standard voltage:
11 to 14 V
CHECK AND REPLACE BATTERY OR
CHARGING SYSTEM
2 CHECK CONNECTORS
Turn the ignition switch to the LOCK position.
Disconnect the negative (-) term ...
