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 MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 938 (ELECTRONIC CONTROL MODULES)CONTROLLER ANTILOCK BRAKEINSTALLATION

2004 Toyota Matrix XR, FWD, Standard

Controller Antilock Brake: Installation

2004 Toyota Matrix XR, FWD, StandardSECTION Installation

WARNING: This page is about a different car, the 2004 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.

Connect 47-way wiring connector at CAB (Fig 1).
Align CAB solenoids and pump/motor wiring connector with HCU valves and connector passage (Fig 2). Slide CAB onto HCU.

Fig 1: Connecting 47-Way Wiring Connector At CAB
Courtesy of DAIMLERCHRYSLER CORP.

RENDER: 1.0x

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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.