Keyless Entry Receiver And Its Circuit Inspection

WARNING: This page is about a different car, the 2008 Suzuki Grand Vitara, 2007 Suzuki Grand Vitara, and 2006 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

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: Identifying Keyless Entry Receiver & Connector
Courtesy of SUZUKI OF AMERICA CORP.

Oscilloscope setting

CH1: 2V/DIV

CH2: 2V/DIV

TIME: 200 ms/DIV

Fig 2: Oscilloscope Setting Graph

Courtesy of SUZUKI OF AMERICA CORP.

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 (VEHICLE WITHOUT KEYLESS START SYSTEM) .
3. Recheck keyless entry receiver system.