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 MANUALSACURA1989INTEGRA L4-1590CC 1.6L DOHC FIREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSMAIN RELAY (COMPUTER/FUEL SYSTEM)DIAGRAMSDIAGNOSTIC AIDSDAMAGE PRECAUTIONSELECTRICAL PRECAUTIONSELECTROSTATIC DISCHARGE
1989 Acura Integra L4-1590cc 1.6L DOHC FI
Electrostatic Discharge
1989 Acura Integra L4-1590cc 1.6L DOHC FISECTION Electrostatic Discharge
ELECTROSTATIC DISCHARGE
Electronic components used in automotive computers are designed to operate at very low voltages (3-5V), and are extremely susceptible to damage caused by static electrical discharge. Voltages as low as 12 volts can damage computer circuits. By comparison, it takes as much as 4,000 volts of static discharge for a person to even feel the "ZAP", and there is no way of knowing whether the charge is positive or negative in nature.
There are several ways in which a person can become statically charged. The most common methods of charging are by friction and induction.
CHARGING BY FRICTION
Friction between organic materials (such as cotton or leather) and synthetics (such as plastic, vinyl, or glass) will generate static charges as great as 25,000 volts. This can happen by simply sliding across a car seat or by wearing a cotton shirt under a coat made of synthetic materials.
CHARGING BY INDUCTION
Charging by induction occurs when a person standing near a highly charged object (strong magnetic field such as a transformer) momentarily touches ground. Like charges are displaced to ground, leaving the person highly charged with opposite polarity.
PRECAUTIONS
Static charges are gradually equalized by moisture in the air, but are retained much longer when humidity is low. Use care when handling and testing electronic components.
Electronic components used in automotive computers are designed to operate at very low voltages (3-5V), and are extremely susceptible to damage caused by static electrical discharge. Voltages as low as 12 volts can damage computer circuits. By comparison, it takes as much as 4,000 volts of static discharge for a person to even feel the "ZAP", and there is no way of knowing whether the charge is positive or negative in nature.
There are several ways in which a person can become statically charged. The most common methods of charging are by friction and induction.
CHARGING BY FRICTION
Friction between organic materials (such as cotton or leather) and synthetics (such as plastic, vinyl, or glass) will generate static charges as great as 25,000 volts. This can happen by simply sliding across a car seat or by wearing a cotton shirt under a coat made of synthetic materials.
CHARGING BY INDUCTION
Charging by induction occurs when a person standing near a highly charged object (strong magnetic field such as a transformer) momentarily touches ground. Like charges are displaced to ground, leaving the person highly charged with opposite polarity.
PRECAUTIONS
Static charges are gradually equalized by moisture in the air, but are retained much longer when humidity is low. Use care when handling and testing electronic components.
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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.