TPMS Receiver Inspection

WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.

Remove console box referring to CONSOLE BOX COMPONENTS .
Connect oscilloscope to "3" terminal of TPMS receiver (1).

Fig 1: Inspecting TPMS Receiver
Courtesy of SUZUKI OF AMERICA CORP.
Using special tool, activate tire pressure sensor. Refer to the instruction of special tool for the method of activating tire pressure sensor.
NOTE:
- When tire pressure sensor is to be activated, set the special tool to the same position as shown in the illustration below. If the special tool is set to other positions, there is a possibility that tire pressure sensor cannot be activated.
- When tire pressure sensor is activated, flashing LED and beeping sound of special tool indicate an activation of the tire pressure sensor. In case that LED does not flash and beeping sound is not heard even if special tool is normal, replace faulty tire pressure sensor.
Special Tool

(A): 09945-86510

Fig 2: Activating Tire Pressure Sensor Using Special Tool
Courtesy of SUZUKI OF AMERICA CORP.
Turn ignition switch to ON position.
Check that TPMS receiver transmits signals to BCM. If not, replace TPMS receiver.

Fig 3: TPMS Receiver Reference Waveform
Courtesy of SUZUKI OF AMERICA CORP.