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.
1993 Suzuki Sidekick JS, 4D UtilityFACTORY OEM SERVICE PROCEDURE
Engine Controls - Tests W/Codes - MPI
- Introduction
- Self-Diagnostic System
- Summary
- Diagnostic Trouble Code Definitions
- Diagnostic Flow Charts
- Fault Code Flow Charts
- Code 13 - Oxygen Sensor Circuit
- Code 14 - ECT Sensor, Low Temperature Indicated
- Code 15 - ECT Sensor, High Temperature Indicated
- Code 21 - TPS Circuit, Signal Voltage High
- Code 22 - TPS Circuit, Signal Voltage Low
- Code 24 - Vehicle Speed Sensor
- Code 33 - MAF Sensor Circuit, Signal Voltage High
- Code 34 - MAF Sensor Circuit, Signal Voltage Low
- Code 41 - No Ignition Signal
- Code 42 - Crank Angle Sensor
- Code 44 - Idle Switch Circuit Open Or MISADJUSTED
- Code 45 - Idle Switch Circuit Shorted Or MISADJUSTED
- Code 51 - EGR System Circuit Check - CALIFORNIA MPI
- Code 52 - Fuel System Check - CALIFORNIA MPI
- Code 53 - ECM Ground Circuit Check, CALIF. Models Only
Factory Service Tools
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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.
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