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 BULLETINSM/T - IGNITION INTERLOCK SWITCH ADJUSTMENT
1991 Hyundai Sonata V6-3.0L
M/T - Ignition Interlock Switch Adjustment
1991 Hyundai Sonata V6-3.0LSECTION M/T - Ignition Interlock Switch Adjustment
Group
90 - ELECTRICAL
Number
91-90-023
Date
10-1991
Model
Excel 1991-1993, Scoupe 1991-1993 and Sonata 1991-1993
Subject
MANUAL TRANSMISSION IGNITION INTERLOCK SWITCH ADJUSTMENT
The ignition interlock feature on manual transaxle equipped cars requires the clutch pedal to be depressed fully before the car can be started. Incorrect adjustment of the switch may prevent the engine from cranking. Follow the procedure below to adjust the ignition interlock switch on all 1991 and later model Excel, Scoupe, and Sonata vehicles.
SERVICE PROCEDURE
Adjust the switch so that the ignition interlock switch activates when the clutch pedal stroke reaches distance "A".
90 - ELECTRICAL
Number
91-90-023
Date
10-1991
Model
Excel 1991-1993, Scoupe 1991-1993 and Sonata 1991-1993
Subject
MANUAL TRANSMISSION IGNITION INTERLOCK SWITCH ADJUSTMENT
The ignition interlock feature on manual transaxle equipped cars requires the clutch pedal to be depressed fully before the car can be started. Incorrect adjustment of the switch may prevent the engine from cranking. Follow the procedure below to adjust the ignition interlock switch on all 1991 and later model Excel, Scoupe, and Sonata vehicles.
SERVICE PROCEDURE
Adjust the switch so that the ignition interlock switch activates when the clutch pedal stroke reaches distance "A".
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.