1995 Suzuki Swift AutomaticFACTORY OEM SERVICE PROCEDURE

Trouble Code Definition

TROUBLE CODE IDENTIFICATION

Code  System Affected  Probable Cause 
12 System Normal System Normal
13  Heated Oxygen Sensor Sensor Or Circuit, ECM
14  (1) Engine Coolant Temp. (ECT) Sensor Sensor Or Circuit, ECM
15  (2) Engine Coolant Temp. (ECT) Sensor Sensor Or Circuit, ECM
21  (3) Throttle Position (TP) Sensor Sensor Or Circuit, ECM
22  (4) Throttle Position (TP) Sensor Sensor Or Circuit, ECM
23  (1) Intake Air Temp. (IAT) Sensor Sensor Or Circuit, ECM
24  Vehicle Speed Sensor (VSS) Speedometer Cable, Sensor Or Circuit, ECM
25  (2) Intake Air Temp. (IAT) Sensor Sensor Or Circuit, ECM
31  (4) MAP Sensor Vacuum Lines, Sensor Or Circuit, ECM
32  (3) MAP Sensor Vacuum Lines, Sensor Or Circuit, ECM
41  Ignition Fail Safe Signal Circuit Ignition System, ECM
42  Camshaft Position (CMP) Sensor Sensor Or Circuit, ECM
46  Idle Speed Control (ISC) System ISC Actuator, ISC Actuator Relay, Idle Switch, ECM
51  EGR System ECM, EGR, Solenoid Vacuum Valve, EGR Pressure Transducer, Vacuum Lines
(1) Low temperature is indicated.
(2) High temperature is indicated.
(3) High voltage is indicated.
(4) Low voltage is indicated.
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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