DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK CAN COMMUNICATION LINE
PERFORM ACTIVE TEST USING GTS (BUZZER)
INSPECT COMBINATION METER ASSEMBLY
ANTI-LOCK BRAKE SYSTEM - Skid Control Buzzer Circuit
DESCRIPTION
The skid control ECU (master cylinder solenoid) is connected to the combination meter via CAN communication.
The combination meter has a built-in buzzer.
WIRING DIAGRAM
INSPECTION PROCEDURE
- After replacing the master cylinder solenoid, perform zero point calibration ().
| 1.CHECK CAN COMMUNICATION LINE
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Turn the ignition switch off.
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Select CAN Bus Check from the System Selection Menu screen and follow the prompts on the screen to inspect the CAN bus.
- OK:
- CAN Bus Check indicates no malfunctions in CAN communication.
Result| Result | Proceed to |
| OK | A |
| NG (for LHD) | B |
| NG (for RHD) | C |
| | GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) ()
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| | GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) ()
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| 2.PERFORM ACTIVE TEST USING GTS (BUZZER) |
Turn the ignition switch off.
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Enter the following menus: Chassis / ABS/VSC/TRC / Active Test.
ABS/VSC/TRC| Tester Display | Test Part | Control Range | Diagnostic Note |
| Buzzer | Buzzer | Buzzer ON/OFF | The buzzer can be heard. |
When performing the Buzzer Active Test, check Buzzer in the Data List.
ABS/VSC/TRC| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
| Buzzer | Buzzer/ ON or OFF | ON: Buzzer on
OFF: Buzzer off | The combination meter has a built-in buzzer. |
Result| Result | Proceed to |
| Data List Display | Data List Display when Performing Active Test ON/OFF Operation |
| ON | Changes between ON and OFF | A |
| Does not change between ON and OFF | B |
| OFF | Changes between ON and OFF | A |
| Does not change between ON and OFF | B |
| A | |
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| GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) ()
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| 3.INSPECT COMBINATION METER ASSEMBLY |
Inspect the combination meter ().
Result| Result | Proceed to |
| NG (w/ Multi-information Display) | A |
| NG (w/o Multi-information Display) | B |
| OK (for LHD) | C |
| OK (for RHD) | D |
| | REPLACE COMBINATION METER ASSEMBLY ()
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| | REPLACE MASTER CYLINDER SOLENOID ()
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| | REPLACE MASTER CYLINDER SOLENOID ()
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| A | |
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| REPLACE COMBINATION METER ASSEMBLY ()
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