DESCRIPTION
The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication.
CAUTION / NOTICE / HINT
Note
When replacing the skid control ECU (brake actuator assembly), perform zero point calibration and store system information.
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Check if CAN communication system DTCs are output.
Result | ||||||
---|---|---|---|---|---|---|
|
B |
INSPECT CAN COMMUNICATION SYSTEM Click here |
A |
PERFORM ACTIVE TEST USING GTS (ABS WARNING LIGHT)
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Select the Active Test on the GTS.
Tester Display | Measurement Item | Control Range | Diagnostic Note |
---|---|---|---|
ABS Warning Light | ABS warning light | Warning light ON/OFF | Can be observed on the combination meter assembly |
Tester Display |
---|
ABS Warning Light |
Select the Data List on the GTS.
Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
---|---|---|---|---|
ABS Warning Light | ABS warning light | ON or OFF | ON: Warning light on OFF: Warning light off |
- |
Tester Display |
---|
ABS Warning Light |
Check the operating condition of the ABS warning light when operating it using the GTS.
Result | ||||||
---|---|---|---|---|---|---|
|
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 parts.
A |
REPLACE BRAKE ACTUATOR ASSEMBLY for LHD: Click here |
B |
INSPECT COMBINATION METER ASSEMBLY
Turn the engine switch off.
Perform an Active Test of the combination meter assembly using the GTS.
Tester Display |
---|
Indicat. Lamp ABS |
Check the combination meter assembly.
OK |
---|
The ABS warning light turns on or off in accordance with the Active Test 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 before replacing parts.
Result | |||
---|---|---|---|
|
OK |
REPLACE BRAKE ACTUATOR ASSEMBLY for LHD: Click here |
NG |
INSPECT METER / GAUGE SYSTEM Click here |