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 MANUALSHONDA1984ACCORD L4-1829CC 1800 ES,ETREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - IGNITION SYSTEMIGNITION CONTROL MODULETESTING AND INSPECTION
1984 Honda Accord L4-1829cc 1800 ES,ET
Ignition Control Module: Testing and Inspection
1984 Honda Accord L4-1829cc 1800 ES,ETSECTION Testing and Inspection
Fig. 1 Igniter Unit Voltage Test Connections.:
Fig. 2 Igniter Unit Continuity Test Connections.:
1. Disconnect lead wires from igniter unit.
2. Check voltage between blue wire and ground, then between black/yellow wire and ground with ignition switch in ON position, Fig. 1. Battery voltage should be present.
3. Check continuity between igniter unit terminals using an ohmmeter, Fig. 2. Continuity should be present with ohmmeter positive probe to black/yellow wire terminal and negative probe to blue wire terminal. Continuity should not be present with ohmmeter positive probe to blue wire terminal and negative probe to black/yellow wire terminal.
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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.