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Keyless Entry System Circuit Inspection

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.

If circuit is normal, recheck keyless entry system circuit as follows.

  1. Substitute a known-good door lock controller and transmitter.
  2. Recheck keyless entry system circuit.
Fig 1: Checking Voltage
G04016202Courtesy of SUZUKI OF AMERICA CORP.
TERMINALS REFERENCE

Terminal Wire Circuit Specification Condition>
L82-4 BLK/BLU Interior light circuit 10-14V Fulfill the following conditions.
  • All doors are closeed.
  • Interior light is in middle position.
  • 15 seconds after pushing unlock button on transmitter.
L82-8 GRN/RED Hazard warning signal circuit (left side) Figure "A" Push lock button on transmitter.
Figure "B" Push unlock button on transmitter.
L82-9 BLU/YEL Hazard warning signal circuit (right side) Figure "A" Push lock button on transmitter.
Figure "B" Push unlock button on transmitter.
Fig 2: Identifying Waveform
G04016203Courtesy of SUZUKI OF AMERICA CORP.