DESCRIPTION
The skid control ECU (brake booster with master cylinder assembly) is connected to the combination meter assembly via CAN communication.
INSPECTION PROCEDURE
Note
When replacing the skid control ECU (brake booster with master cylinder assembly), perform initialization and calibration of the linear solenoid valve Click here.
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Check if CAN communication system DTCs are output Click here.
Result | ||||||
---|---|---|---|---|---|---|
|
B |
INSPECT CAN COMMUNICATION SYSTEM Click here |
A |
CHECK BRAKE WARNING LIGHT / RED (MALFUNCTION)
Disconnect the skid control ECU (brake booster with master cylinder assembly) connector.
Turn the power switch on (IG).
Check that the brake warning light / red (malfunction) comes on.
OK |
---|
The brake warning light / red (malfunction) comes on. |
Tech Tips
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part Click here.
NG |
INSPECT COMBINATION METER ASSEMBLY Click here |
OK |
REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY Click here
INSPECT COMBINATION METER ASSEMBLY
Turn the power switch off.
Reconnect the skid control ECU (brake booster with master cylinder assembly) connector.
Perform the Active Test of the combination meter assembly (meter CPU) using the Techstream Click here.
Check the combination meter assembly.
OK |
---|
The brake warning light / red (malfunction) turns on or off in accordance with Techstream operation. |
Tech Tips
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step Click here.
NG |
REPLACE COMBINATION METER ASSEMBLY Click here |
OK |
REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY Click here