DESCRIPTION
The skid control ECU is connected to the combination meter via CAN communication.
Pressing the VSC OFF switch turns off traction control and pressing and holding this switch turns off traction control and VSC. If VSC turns off, the VSC OFF message will be displayed on the multi-information display and the master warning light will come on.
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
When replacing the skid control ECU (brake actuator assembly), perform engine variant learning Click here.
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Check if a CAN communication system DTC is output Click here.
Result | Proceed to |
---|---|
CAN communication system DTC is not output. | A |
CAN communication system DTC is output. | B |
B |
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here |
A |
CHECK IF SKID CONTROL ECU CONNECTOR IS SECURELY CONNECTED
Check if the skid control ECU connector is securely connected.
OK |
---|
The connector is securely connected. |
NG |
CONNECT CONNECTOR TO ECU CORRECTLY |
OK |
CHECK HARNESS AND CONNECTOR (CSW TERMINAL)
Disconnect the skid control ECU connector.
*1 | Front view of wire harness connector (to Skid Control ECU) |
*2 | for AD Series Engine |
*3 | for ZR Series Engine |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
NG |
INSPECT VSC OFF SWITCH Click here |
OK |
INSPECT COMBINATION METER ASSEMBLY
Check the combination meter Click here.
Result | Proceed to |
---|---|
The combination meter is normal. | A |
The combination meter is abnormal. | B |
Tech Tips
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 Click here.
B |
REPLACE COMBINATION METER ASSEMBLY Click here |
A |
REPLACE BRAKE ACTUATOR ASSEMBLY Click here
INSPECT VSC OFF SWITCH
Remove the VSC OFF switch Click here.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||
---|---|---|---|---|---|---|---|---|
|
NG |
REPLACE VSC OFF SWITCH Click here |
OK |
CHECK HARNESS AND CONNECTOR (VSC OFF SWITCH - SKID CONTROL ECU/BODY GROUND)
Disconnect the skid control ECU connector.
Disconnect the VSC OFF switch connector.
*1 | Front view of wire harness connector (to Skid Control ECU) |
*2 | Front view of wire harness connector (to VSC OFF Switch) |
*3 | for AD Series Engine |
*4 | for ZR Series Engine |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Tech Tips
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 Click here.
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
REPLACE BRAKE ACTUATOR ASSEMBLY Click here