Chevrolet Captiva Manuals

Chevrolet Captiva Service & Repair Manual: Anti-Lock Brake System, Inspect

Chevrolet Captiva Service & Repair Manual / Brakes / Anti-Lock Brake System, Inspect

A visual inspection must always be performed to confirm presence of aftermarket components, potential collision damage, or areas of concern.
ABS module is self monitoring. Module will carry out a preliminary electrical inspection of hydraulic pump motor by turning pump ON for approximately 1/2 second either when ignition switch is turned to RUN position and brake pedal is not pressed or when vehicle is in motion and at vehicle speeds above 12 mph. ABS module will also carry out a wheel speed sensor self-test by sending a reference voltage to all wheel speed sensors through their circuitry when ignition switch is turned to RUN position, with or without brake pedal application. If a fault is detected in pump or wheel speed sensors, ABS module will shut down and disable anti-lock system. Normal power assisted braking, however, remains.
1. Verify stop lamps operate correctly by applying and releasing brake pedal with ignition switch in OFF position.
2. Verify that PRNDL operates correctly on instrument cluster.
3. Visually inspect for obvious signs of mechanical or electrical damage.
4. If an obvious cause for an observed or reported concern is found, correct cause if possible before proceeding.
5. Connect a suitably programmed scan tool to vehicle DLC.
6. Carry out network test.
7. Clear continuous DTCs and carry out self-test diagnostics for ABS module.

Inspecting the Anti-Lock Brake System (ABS) in a Chevrolet Captiva 1-st generation involves a thorough assessment of its components to ensure optimal functionality and safety. The ABS is a critical part of the vehicle's braking system, designed to prevent wheel lock-up and maintain traction during hard braking or slippery conditions.

Start by visually inspecting the ABS components, including sensors, wiring harnesses, and the ABS control module, for any signs of damage, corrosion, or loose connections. Check the condition of the brake fluid and verify that it is at the recommended level and free from contaminants.

Next, perform a diagnostic scan using a compatible diagnostic tool to retrieve any stored trouble codes in the ABS system. These codes can provide valuable insights into potential issues with specific ABS components or sensors. Follow the manufacturer's guidelines and service manual to interpret the codes and perform further troubleshooting if necessary.

Additionally, conduct a road test to evaluate the ABS system's performance under various driving conditions. Pay attention to any abnormal brake pedal feel, pulsation, or warning lights that may indicate a problem with the ABS. Document your findings and observations for reference and further analysis if required.

Regular inspection and maintenance of the ABS system are crucial for ensuring safe and reliable braking performance in the Chevrolet Captiva (2006-2018). If you encounter any issues during the inspection or road test, consult the service manual or seek professional assistance to address the ABS-related concerns promptly.

    ABS Relay R&R
    Caution: Pull relay straight out from electrical center terminals, using relay removal tool No. EL-43244, or equivalent. Use of pliers or a flat bladed tool could damage electrical ...

    Antilock Brake System Diagnosis & Testing
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    Chevrolet Captiva Owners Manual

    Chevrolet Captiva Service & Repair Manual

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