Keyless Entry Receiver and Its Circuit Inspection (If Equipped) (2012)

2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION Keyless Entry Receiver and Its Circuit Inspection (If Equipped) (2012)
  1. Check that the voltage between the following terminals and body ground are specifications under each conditions. If check result is not as specified, check applicable circuit for open or short. If circuit is normal, proceed to next step.
    Fig 1: Inspecting Keyless Entry Receiver
    G06868919Courtesy of SUZUKI OF AMERICA CORP.
    KEYLESS ENTRY RECEIVER SYMPTOM DIAGNOSIS CHART

    Terminal Circuit Specification Condition
    1 Power source Fig 1 Push "Lock" or "Unlock" button on transmitter.
    0 - 1 V Except the above-mentioned condition.
    3 Lock/Unlock output signal circuit Fig 1 Push "Lock" or "Unlock" button on transmitter.
    0 - 1 V Except the above-mentioned condition.
    4 Ground 0 - 1 V -

Oscilloscope settingΒ 

CH1: 2V/DIV

CH2: 2V/DIV

TIME: 200 ms/DIV

Fig 2: Oscilloscope Waveform Graph
G06868920Courtesy of SUZUKI OF AMERICA CORP.
  1. Recheck keyless entry receiver as follows.
    1. Substitute a known-good keyless entry receiver.
    2. Record key code referring to PROGRAMMING TRANSMITTER CODE FOR KEYLESS ENTRY SYSTEM (OTHER THAN KEYLESS START MODEL)Β .
    3. Recheck keyless entry receiver system.
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:

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