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.
for LHD: Click here
for RHD: Click here
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| B |
|
INSPECT CAN COMMUNICATION SYSTEM for LHD: Click here |
| C |
|
INSPECT CAN COMMUNICATION SYSTEM for RHD: Click here |
| A |
|
PERFORM ACTIVE TEST USING GTS (SLIP INDICATOR LIGHT)
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Select the Active Test using the GTS.
| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Slip Indicator Light | Slip indicator light | Indicator light ON/OFF | Can be observed on the combination meter assembly |
| Tester Display |
|---|
| Slip Indicator Light |
Select the Data List on the GTS.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Slip Indicator Light | Slip indicator light | ON or OFF | ON: Indicator light on OFF: Indicator light off |
- |
| Tester Display |
|---|
| Slip Indicator Light |
Check the operating condition of the slip indicator 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 |
|
REPLACE BRAKE ACTUATOR ASSEMBLY for RHD: Click here |
| C |
|
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 Slip |
Check the combination meter assembly.
| OK |
|---|
| The slip indicator 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 | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| A |
|
REPLACE BRAKE ACTUATOR ASSEMBLY for LHD: Click here |
| B |
|
REPLACE BRAKE ACTUATOR ASSEMBLY for RHD: Click here |
| C |
|
INSPECT METER / GAUGE SYSTEM Click here |