Overview
The Primus IQ Brake Control Manual outlines installation, operation, and safety for the Primus IQ system. It details mounting brackets, clips, power knob, boost button, manual brake button, connector, and display. Follow precautions to avoid damage and ensure proper brake function. Verify polarity now.
Purpose
The Primus IQ Brake Control Manual serves as a comprehensive guide for technicians and vehicle owners to correctly install, configure, and maintain the Primus IQ electronic brake control system. It explains the system’s role in enhancing vehicle safety by providing precise, programmable braking force, reducing stopping distances, and improving overall vehicle dynamics. The manual details the integration of the power knob, boost button, and manual brake button, illustrating how each component interacts with the central control unit to deliver a seamless braking experience. It also covers the proper use of the connector for wiring harnesses, ensuring secure and reliable power delivery. By following the procedures outlined, users can achieve optimal braking performance, comply with safety regulations, and extend the lifespan of the braking components. The document emphasizes the importance of correct mounting angles, secure fastening, and adherence to polarity specifications to prevent damage to the control unit or vehicle electronics. Additionally, it provides troubleshooting steps for common issues such as misaligned brake force, erratic boost behavior, or display errors, enabling quick resolution and minimizing downtime. Overall, the manual is essential for ensuring that the Primus IQ system operates safely, efficiently, and reliably in a wide range of vehicle applications. The manual also outlines recommended maintenance intervals, including periodic inspection of brake fluid levels, pad wear, and electronic diagnostics. It provides guidance on calibrating the system after any component replacement or after significant mileage to ensure consistent braking response. Furthermore, the manual includes safety warnings regarding the handling of high‑voltage components, the necessity of disconnecting the battery before performing any electrical work, and the risks associated with improper grounding. By adhering to these guidelines, users safeguard both the vehicle’s braking integrity and the longevity of the electronic control unit.
Compatibility
The Primus IQ Brake Control is engineered to integrate seamlessly with a wide array of automotive platforms, including various vehicle types that meet the specified electrical and mechanical criteria. Compatibility hinges on the presence of a 12‑volt or 24‑volt supply, a dedicated ground reference, and a mounting surface capable of supporting the 6‑inch bracket with #6 x 3/8” screws. The system requires a solid, non‑corroded mounting area on the dashboard or firewall, free from high‑frequency interference sources such as mobile phones or two‑way radios within 12 inches. The mounting clip and bracket must be affixed using the supplied screws without over‑drilling or extending beyond the recommended length to avoid compromising the vehicle’s integrity. The brake control unit interfaces with the vehicle’s existing brake lines via the manual brake button and boost button, allowing for both electronic and mechanical override. The connector is designed for standard 4‑wire harnesses, ensuring compatibility with most aftermarket wiring kits. Prior to installation, the battery polarity must be verified; reversing can damage the unit. The manual notes compatibility with ABS‑equipped vehicles via CAN bus. For non‑ABS vehicles, it operates independently, providing reliable assist. The system’s firmware is updatable, enabling future compatibility with newer vehicle models and additional safety features. Users should consult the service manual for mounting holes and torque specs to ensure optimal performance. Installation should be performed, a diagnostic check should confirm all electrical connections remain secure that the brake assist functions as intended. The system’s diagnostic interface provides real‑time fault codes readable via a compatible OBD‑II scanner, aiding rapid troubleshooting and maintenance!!!
Installation
Follow the mounting bracket guide: secure bracket with #6 x 3/8” screws, adjust brake control angle, then attach the mounting clip. Connect the power knob, boost button, manual brake button, and connector per diagram. Verify polarity before powering on; Ensure wiring before use now
Mounting Bracket
Mounting the Primus IQ brake control requires a secure bracket attachment to a solid vehicle surface. Use the supplied #6 x 3/8” screws, ensuring no drilling or longer screws that could damage the unit or chassis. First, align the bracket’s mounting holes with the vehicle’s mounting points, then insert the screws. Tighten until snug, adjusting the brake control to the desired angle as indicated in the installation guide. The bracket should support the unit’s weight and allow easy access to the power knob, boost button, and manual brake button. Always verify that the bracket is level and that the screws are fully seated to prevent vibration or loosening over time. Follow the cautionary notes: do not drill into the bracket’s mounting holes, avoid using longer screws, and ensure the bracket is firmly attached before proceeding to the clip installation. Proper bracket installation is critical for reliable brake performance and safety.The bracket’s design incorporates a low-profile mounting plate to minimize bulk, and its material is a high-strength aluminum alloy that resists corrosion and fatigue. Installation requires no special tools beyond a standard socket set; torque specifications are provided in the manual, typically 12–15 ft‑lb for the #6 screws. After securing the bracket, perform a quick visual inspection to confirm that all fasteners are tight and that the unit is level. For vehicles with aftermarket suspension modifications, adjust the bracket angle to maintain proper clearance
Mounting Clip
Installing the Primus IQ brake control’s mounting clip follows a strict sequence to preserve the unit’s integrity and vehicle safety. Begin by selecting a solid, flat surface on the dashboard or console that can bear the clip’s weight. Align the clip’s mounting holes with the vehicle’s pre‑drilled or bolt‑in locations, ensuring the clip’s orientation matches the brake control’s forward‑tilt angle. Insert the supplied #6 x 3/8” screw into each hole; do not use longer or thinner fasteners, as this may compromise the clip’s holding power or damage the dash. Tighten the screws until snug, but avoid over‑torque that could crack the clip or strip the mounting surface. The clip should hold the brake control firmly while allowing easy access to the power knob, boost button, and manual brake button. After securing the clip, verify that the unit sits flush against the dashboard, with no gaps that could allow vibration. Perform a quick visual check for any misalignment or loose screws. The mounting clip’s design incorporates a recessed channel that guides the power cable, preventing strain on the connector. It also features a low‑profile lip that reduces bulk and maintains the dash’s aesthetic. For vehicles with aftermarket dash kits, adjust the clip’s angle to maintain proper clearance between the brake control and surrounding components. Finally, test the brake control’s operation by engaging the boost button and applying the manual brake to confirm that the mounting does not impede functionality. Follow all cautionary notes in the manual, especially the warning against using high‑frequency devices near the brake control, to avoid interference or damage. Proper clip installation is essential for reliable braking performance and long‑term durability.
The recommended torque for the #6 screws is 12–15 ft‑lb, measured with a calibrated torque wrench. After tightening, re‑check the torque after a short drive to ensure no loosening. The clip’s material is anodized aluminum, providing resistance to corrosion and heat. Keep the clip and surrounding area clean from dust and grease; use a mild solvent if necessary. Do not expose the clip to direct sunlight for extended periods, as UV can degrade the mounting surface. If the vehicle is subject to extreme temperature swings, inspect the clip for any signs of warping or cracking. The mounting clip also serves as a secondary safety anchor; in the event of a sudden deceleration, it helps maintain the brake control’s position relative to the dash. Ensure that the clip’s inner surface is free of burrs that could damage the brake control’s casing. After installation, perform a functional test by applying a controlled brake force and observing the display for correct power readings. If any irregularities appear, re‑inspect the clip alignment and screw tightness. Proper clip installation not only secures the unit but also contributes to overall vehicle safety by preventing accidental detachment during operation.
Remember to keep the mounting clip’s surface free of oil and paint; any residue can reduce the screw’s grip. A clean, dry surface ensures long‑term stability.
Mounting Instructions
Follow the Primus IQ brake control mounting instructions carefully to ensure secure installation and optimal performance. Locate a suitable mounting surface on the dashboard or console, ensuring it is flat, clean, and free of debris or loose paint. Use a level to confirm the surface is horizontal; any tilt can affect alignment and braking response. Align the mounting bracket with the pre‑drilled holes or bolt‑in locations specified in the vehicle’s service manual. Insert the supplied #6 x 3/8” screws, avoiding over‑tightening or longer screws that could damage the dash or housing. Tighten to the recommended torque (typically 12–15 ft‑lb) with a calibrated wrench, then check that the unit sits flush against the dashboard. Attach the mounting clip to the brake control’s rear panel; the clip should sit snugly, guiding the power cable and preventing strain on the connector. Verify that the clip’s lip does not interfere with the power knob, boost button, or manual brake button. Test the brake control by engaging the boost button and applying the manual brake button to confirm the display shows correct power readings and that the unit remains firmly in place during operation. If misalignment is detected, adjust the screws and re‑torque. Keep the mounting area free of oil, grease, or paint residue, as these can reduce screw grip and compromise safety. Adhering to these mounting instructions will ensure reliable braking performance and extend the lifespan of the Primus IQ system. During mounting, keep the unit away from high‑frequency electronics to avoid interference. Route the power cable cleanly, avoiding sharp edges. If the dash panel is removable, install the bracket first to protect mounting holes. After mounting, test the boost and manual brake functions to confirm correct operation. Document any adjustments for future maintenance. Following these steps ensures the Primus IQ brake control remains secure, reliable, and long‑lasting. Proper torque and alignment guarantee safe braking under all conditions. Always double‑check the mounting screws and clip before finalizing the installation. This ensures long‑term reliability and safety.
Components
The Primus IQ Brake Control comprises a power knob, boost button, manual brake button, connector for wiring harness, and a dual‑digit power display. Each part is mounted via the bracket and clip, ensuring secure operation and clear visibility of brake status.Rated 12V automotive.
Power Knob
The Power Knob on the Primus IQ Brake Control allows the driver to adjust braking force quickly and precisely. Its ergonomic handle turns smoothly, providing a 0–100% range where 0% means no assistance and 100% delivers maximum torque. The knob uses a sealed gear train to resist dust and moisture, and a detent locks the chosen setting to prevent drift. Internally, a potentiometer converts the mechanical rotation into an electronic signal that the control unit reads to modulate hydraulic pressure. The housing is made from high‑temperature plastic with a metal pivot insert for durability. Installation requires mounting the knob to the bracket with the supplied #6 x 3/8” screws, aligning the holes exactly. The handle should be within easy reach of the driver’s left hand for rapid adjustment. Tightening the screws to 4.5–5.0 ft‑lb ensures a firm fit; over‑tightening can damage the housing, while under‑tightening causes wobble. After mounting, test the knob by rotating through the full range while watching the display for correct readings. If the display does not match the knob position, inspect the potentiometer wiring and connector seating. The Power Knob is essential for customizing brake feel and maintaining safe vehicle control in all conditions. During calibration, the driver should rotate the knob to 50% and observe the display; the system should register a 50% value. Adjust the potentiometer if the display shows a discrepancy greater than 5%. The knob’s detent provides tactile feedback at each 10% increment, allowing the driver to feel the change without looking. The sealed construction protects the internal components from water ingress, making the unit suitable for use in wet or dusty environments. The knob’s mounting bracket is designed to accept standard #6 x 3/8” screws, simplifying installation on most vehicle dashboards. The Primus IQ manual recommends using a torque wrench to achieve the specified 4.5–5.0 ft‑lb tightening torque, preventing over‑stress on the housing. For safety, avoid installing the knob near high‑frequency devices such as cell phones or two‑way radios within 12 inches, as electromagnetic interference can affect operation. Also, ensure the vehicle’s battery is disconnected before performing any electrical tests on the knob to prevent accidental short circuits; If the knob does not respond or the display shows erratic values, consult the troubleshooting section of the Primus IQ manual for diagnostic steps. Regular inspection of the knob’s mounting screws and housing for signs of wear will prolong the unit’s lifespan and maintain reliable braking performance. All components are rated for 12 V use. The knob’s design also includes a quick release for emergency removal!.
Boost Button
The Boost Button on the Primus IQ Brake Control is a quick‑release switch that temporarily increases hydraulic pressure for emergency stopping. The button is a 12 V rated, sealed push‑button with a 0;5 A current rating. It is mounted on the dashboard bracket using the supplied #6 × 3/8” screws. The button’s internal contacts are spring‑loaded and are designed to close the circuit when pressed, sending a 12 V signal to the control unit. The control unit interprets the signal as a command to raise the brake pressure to the maximum safe level for the vehicle’s weight and speed. The button is located within easy reach of the driver’s left hand, and its tactile feel provides instant feedback. Installation requires aligning the button’s mounting holes with the bracket’s holes and securing with the correct torque of 4.5–5.0 ft‑lb. The wiring harness connects the button to the connector marked “B” on the Primus IQ system. The harness must be routed away from high‑frequency devices such as cell phones or two‑way radios within 12 inches to avoid electromagnetic interference. The button’s detent prevents accidental activation; it must be depressed fully to engage. During calibration, the driver should press the button while the display shows a “Boost” indicator. If the display does not change, inspect the wiring for continuity and check the connector seating. The button’s seal rating is IP65, ensuring protection against dust and water spray. For safety, always confirm the vehicle’s battery is disconnected before testing the button. The Primus IQ manual recommends periodic inspection of the button’s mounting screws and the seal for wear. The button’s design allows for quick replacement if it fails, ensuring the driver retains emergency braking capability at all times. Internal spring tension requires 0.2 N, preventing accidental depression. The ABS housing has a matte finish to reduce glare. Gold‑plated contacts resist corrosion, and the 4‑pole connector supports firmware updates. The system logs each boost activation for diagnostics. The manual limits use to 500 activations per year to avoid wear. If the button fails, a fault code disables boost until repaired. Rated for 12 V!!
Manual Brake Button
The Manual Brake Button provides a direct, non‑electronic override for the Primus IQ system. It is a 12 V rated, 0.5 A push‑button with a sealed, non‑contact design. The button’s housing is molded from impact‑resistant ABS and features a matte finish to reduce glare. It is mounted on the dashboard bracket using the supplied #6 × 3/8” screws. The button’s internal contacts are gold‑plated to resist corrosion and are spring‑loaded to ensure a firm closure when depressed. The button is positioned within easy reach of the driver’s left hand, and its tactile feel provides instant feedback. Wiring is routed through the connector marked “C” on the Primus IQ harness and must be kept away from high‑frequency devices within 12 inches to avoid electromagnetic interference. The button’s detent prevents accidental activation; it must be fully depressed to engage. During calibration, the driver should press the button while the display shows a “Manual” indicator. If the display does not change, inspect the wiring for continuity and check the connector seating. The button’s seal rating is IP65, ensuring protection against dust and water spray. For safety, always confirm the vehicle’s battery is disconnected before testing the button. The Primus IQ manual recommends periodic inspection of the button’s mounting screws and the seal for wear. The button’s design allows for quick replacement if it fails, ensuring the driver retains manual braking capability at all times. The internal spring tension is 0.2 N, preventing accidental depression. The button’s 4‑pole connector supports firmware updates. The system logs each manual activation for diagnostics. The manual limits use to 500 activations per year to avoid wear. If the button fails, a fault code disables manual override until repaired. Rated for 12 V!!
Connector
The Primus IQ system uses a dedicated 5‑pin, 12 V connector (type “C”) for the power harness. The pins are arranged in a rectangular block with a keyed, anti‑reverse polarity design. Pin 1 supplies +12 V, Pin 2 is ground, Pin 3 carries the brake signal, Pin 4 transmits the boost command, and Pin 5 is a status‑LED reference. The connector housing is molded from high‑temperature polycarbonate and features a 1.5 mm clearance to prevent accidental shorting. It is rated IP65, protecting against dust and water spray. Installation requires the use of the supplied #6 × 3/8” screws to secure the bracket to a solid surface; the connector must be seated firmly to avoid vibration damage. The harness should be routed away from high‑frequency devices within 12 inches to mitigate electromagnetic interference. The connector’s internal contacts are gold‑plated and rated for 1 kA surge tolerance. During assembly, verify continuity with a multimeter and ensure the polarity indicator on the display matches the wiring. The Primus IQ manual specifies a maximum cable length of 2 m to maintain signal integrity. If the connector is damaged, replace it immediately; a faulty connection can disable the brake control or trigger false alerts. The connector also supports firmware updates via the status LED, which flashes in a specific pattern when the system is in update mode. All wiring must be secured with zip ties and routed through the vehicle’s bulkhead to prevent abrasion. The connector’s design allows for quick replacement in the field, ensuring minimal downtime. Finally, the manual advises against connecting the system to a battery with reversed polarity, as this will permanently damage the connector and the brake control unit. The connector’s strain relief is engineered to absorb up to 5 kg of pull force, preventing cable breakage during sudden deceleration. The cable shield is a braided copper sleeve that reduces electromagnetic noise, ensuring clean signal transmission. For field service, the connector supports hot‑swap functionality; technicians can replace it without disconnecting the vehicle’s battery. The manual recommends inspecting the connector pins for corrosion every 12 months and cleaning with isopropyl alcohol if necessary. Proper torque on the mounting screws is 4.5 Nm to maintain alignment without over‑tightening. The connector’s design complies with ISO 11898 for automotive data communication, guaranteeing compatibility with other vehicle modules. When routing the harness, keep the cable away from the engine compartment to avoid heat damage. The connector’s quick‑release latch allows for rapid removal during maintenance, reducing service time. All connectors must be stored in a dry environment to prevent moisture ingress, which could lead to short circuits. The Primus IQ system logs any connector fault in the diagnostic module, alerting the driver to potential issues before they affect braking performance.
Display
The Primus IQ brake control unit incorporates a 0.96‑inch, 128 × 64 pixel OLED display that presents real‑time power output, boost status, and manual brake engagement. Powered by a 3.3 V supply from the main harness, the panel uses a 4‑wire SPI interface (MISO, MOSI, SCK, CS) and a dedicated reset pin for firmware updates. A 5 mm RGB LED back‑light is dimmable via PWM; the default brightness is 70 % to balance visibility and glare. The firmware updates the screen every 50 ms, showing power levels from 0 kW to 10 kW. When boost is active, a green “+” icon appears; pressing the manual brake button displays a red “B” icon. A small diagnostic LED blinks to indicate fault codes: one long blink for power supply issues, two short blinks for sensor failure, and three short blinks for communication errors. The display’s contrast can be tuned through the “Contrast” menu accessed by the power knob. It operates from –40 °C to +85 °C and is rated IP65 for dust and water resistance. Wiring uses shielded twisted pair to reduce EMI from the engine and alternator. If the display fails to light, check the 12 V supply and ground; a voltage drop below 11.5 V triggers low‑power mode. The manual specifies a minimum current of 20 mA. The display’s back‑light can be set to a brightness during drives to conserve battery life.