DESCRIPTION
In the Test Mode (signal check), a malfunction in the speed sensor that cannot be detected when the vehicle is stopped can be detected while driving.
Transition to the sensor check mode can be performed by connecting terminals TS and CG of the DLC3 and turning the ignition switch from off to ON.
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
When replacing the brake actuator assembly, perform zero point calibration Click here.
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Check if CAN communication system DTCs are output Click here.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
CHECK CAN COMMUNICATION SYSTEM Click here |
| A |
|
INSPECT DLC3
| *1 | Front view of DLC3 |
Turn the ignition switch to ON.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
CHECK POWER STEERING ECU (TS of DLC3 INPUT) Click here |
| A |
|
CHECK HARNESS AND CONNECTOR (TS of DLC3 - POWER STEERING ECU)
| *1 | Front view of wire harness connector (to Power Steering ECU) |
| *2 | Front view of DLC3 |
Turn the ignition switch off.
Disconnect the ECM connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND)
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
||||||
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK POWER STEERING ECU (TS of DLC3 INPUT)
| *1 | Front view of DLC3 |
Turn the ignition switch off.
Reconnect the power steering ECU connector.
Using SST, connect terminals TS and CG of the DLC3.
Turn the ignition switch to ON.
Check that the PS warning light is blinking.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
CHECK POWER STEERING SYSTEM Click here |
| A |
|
REPLACE BRAKE ACTUATOR ASSEMBLY Click here