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.

Substitute a known-good door lock controller and transmitter.
Recheck keyless entry system circuit.

Fig 1: Inspecting Keyless Entry System Circuit
Courtesy of SUZUKI OF AMERICA CORP.

TERMINAL WIRE CIRCUIT CONDITION REFERENCE

Terminal	Wire	Circuit	Specification	Condition
L82-4	BLK/BLU	Interior light circuit	10 - 14 V	Fulfill the following conditions. All door is close. Interior light is 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.
L82-8	GRN/RED	Hazard warning signal circuit (left side)	Figure "B"	Push unlock button on transmitter.
L82-9	BLU/YEL	Hazard warning signal circuit (right side)	Figure "A"	Push lock button on transmitter.
L82-9	BLU/YEL	Hazard warning signal circuit (right side)	Figure "B"	Push unlock button on transmitter.

Fig 2: Keyless Entry System Circuit Operation Graph

Courtesy of SUZUKI OF AMERICA CORP.