Keyless Entry Receiver: Testing and Inspection
Keyless Entry Receiver and Its Circuit Inspection
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.
Oscilloscope setting
CH1: 2V/DIV
CH2: 2V/DIV
TIME: 200 ms/DIV
2) Recheck keyless entry receiver as follows.
a) Substitute a known-good keyless entry receiver.
b) Record key code referring to Testing and Inspection Programming Transmitter Code for Keyless Entry System (Other than Keyless Start Model).
c) Recheck keyless entry receiver system.