On-Board Diagnostic System Description: Notes

2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION Notes
WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.

For 4WD control system, 4WD control module has the following functions.

  • When ignition switch is turned ON with engine at stop, 4WD AUTO indicator (2) and 4WD LOCK indicator (1) turn on at the same time for 2 seconds in order to check operation of these indicators.
  • When 4WD control module detects any malfunction in the following area, 4WD AUTO indicator (2) and 4WD LOCK indicator (1) flash continuously or turn on and 4WD control module comes into fail-safe mode. For details of fail safe mode, refer to FAIL-SAFE TABLEΒ .
    • 2WD/4WD switch
    • Coupling air temperature sensor
    • Coupling assembly
  • DTC can be checked by using SUZUKI scan tool (3) connected to DLC (4).
  • When 4WD control module detects any malfunction, 4WD control module will switch off the current to coupling assembly and vehicle is changed to 2WD position.
    Fig 1: Connecting Scan Tool To DLC
    G06868315Courtesy of SUZUKI OF AMERICA CORP.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
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  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.