Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2025HIGHLANDER XLE, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONBRAKESMAP - BRAKE SYSTEMSBRAKE SYSTEMSELECTRONIC BRAKE CONTROL MODULATOR
2025 Toyota Highlander XLE, 4WD
Electronic Brake Control Modulator
2025 Toyota Highlander XLE, 4WDSECTION Electronic Brake Control Modulator
NOTE:
Many modulators can only be replaced as complete assemblies. Whenever possible, replace the failed component part. If replacement of the failed part is not possible, then replace the modulator assembly.
| Condition | Code | Procedure |
|---|---|---|
| Attaching hardware broken | A | Require repair or replacement of hardware |
| Attaching hardware missing | C | Require replacement of hardware |
| Attaching hardware not functioning | A | Require repair or replacement of hardware |
| Connector (Weatherpack type) leaking | A | Require repair or replacement |
| Connector broken | A | Require repair or replacement |
| Connector melted | A | Require replacement |
|
NOTE:
Determine cause and correct prior to replacement of part.
|
||
| Connector missing | C | Require replacement |
| Disabled | A | Require repair or replacement |
| Electrical failure | A | Require repair or replacement |
| External leak | A | Require repair or replacement |
| Housing cracked | B | Require repair or replacement |
| Inoperative | A | Require repair or replacement |
|
NOTE:
Inoperative includes intermittent operation.
|
||
| Internal leak | A | Require repair or replacement |
| Missing | C | Require replacement |
| Terminal burned, affecting performance | A | Require repair or replacement |
|
NOTE:
Determine cause and correct prior to repair or replacement of part.
|
||
| Terminal burned, not affecting performance | 2 | Suggest repair or replacement |
| Terminal corroded, affecting performance | A | Require repair or replacement |
| Terminal corroded, not affecting performance | 2 | Suggest repair or replacement |
| Terminal loose, affecting performance | B | Require repair or replacement |
| Terminal loose, not affecting performance | 1 | Suggest repair or replacement |
| Threads damaged | A | Require repair or replacement |
| Threads stripped (threads missing) | A | Require replacement |
| Valve stuck | A | Require repair or replacement |
| Wire lead burned | A | Require repair or replacement |
| Wire lead conductors exposed | B | Require repair or replacement |
| Wire lead open | A | Require repair or replacement |
| Wire lead shorted | A | Require repair or replacement |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.