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 MANUALSMAZDA1991PROTEGE L4-1839CC 1.8L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMSPECIFICATIONSELECTRICAL SPECIFICATIONS
1991 Mazda Protege L4-1839cc 1.8L SOHC
Electrical Specifications
1991 Mazda Protege L4-1839cc 1.8L SOHCSECTION Electrical Specifications
IGNITION TIMING 5° ± 1° BTDC [1]
PRIMARY IGNITION COIL RESISTANCE (at 68°F, 20°C) 0.81 - 0.99 ohms
SECONDARY IGNITION COIL RESISTANCE (at 68°F, 20°C) 10 - 16 K ohms
SPARK PLUG WIRE RESISTANCE 16 K ohms per 3.28 ft (1 m)
[1] Jumper between diagnosis connector "TEN" and "GND" terminals.
PRIMARY IGNITION COIL RESISTANCE (at 68°F, 20°C) 0.81 - 0.99 ohms
SECONDARY IGNITION COIL RESISTANCE (at 68°F, 20°C) 10 - 16 K ohms
SPARK PLUG WIRE RESISTANCE 16 K ohms per 3.28 ft (1 m)
[1] Jumper between diagnosis connector "TEN" and "GND" terminals.
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.