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 MANUALSHYUNDAI1991SONATA V6-3.0LREPAIR AND DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMTECHNICAL SERVICE BULLETINSSTARTING/CHARGING SYSTEM - DIAGNOSIS PROCEDURES
1991 Hyundai Sonata V6-3.0L
Starting/Charging System - Diagnosis Procedures
1991 Hyundai Sonata V6-3.0LSECTION Starting/Charging System - Diagnosis Procedures
Group: ENGINE ELECTRICAL
Number: 93-36-006
Date: JUNE, 1993
Model: ALL
Subject:
STARTING AND CHARGING SYSTEM SERVICE INFORMATION
When diagnosing starting and charging system conditions, please use the following procedures.
STARTING SYSTEM
a. Does not crank and no click sound is heard at starter solenoid:
- Battery dead/poor chassis ground
- Battery terminal connections.
- Starter motor "S" terminal connection.
- Ignition lock switch (with M/T)
- Starter Relay
- Inhibitor switch (with A/T)
b. Starter solenoid clicks, but engine does not crank:
- Battery condition (check indicator)
- Loose battery posts
- Spark condition
- High tension cable
- Ignition wiring connections
- Noise filter
c. Engine cranks slowly:
- Battery condition
- Battery posts and
- Spark plugs
Noise filter check
a. Unplug the noise filter connector.
b. Try to start the engine
c. If the engine starts with the noise filter unplugged, but will not with it connected, the noise filter should be replaced.
Number: 93-36-006
Date: JUNE, 1993
Model: ALL
Subject:
STARTING AND CHARGING SYSTEM SERVICE INFORMATION
When diagnosing starting and charging system conditions, please use the following procedures.
STARTING SYSTEM
a. Does not crank and no click sound is heard at starter solenoid:
- Battery dead/poor chassis ground
- Battery terminal connections.
- Starter motor "S" terminal connection.
- Ignition lock switch (with M/T)
- Starter Relay
- Inhibitor switch (with A/T)
b. Starter solenoid clicks, but engine does not crank:
- Battery condition (check indicator)
- Loose battery posts
- Spark condition
- High tension cable
- Ignition wiring connections
- Noise filter
c. Engine cranks slowly:
- Battery condition
- Battery posts and
- Spark plugs
Noise filter check
a. Unplug the noise filter connector.
b. Try to start the engine
c. If the engine starts with the noise filter unplugged, but will not with it connected, the noise filter should be replaced.
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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.