Monitor GDS Data

Ignition "OFF"
Refer to REMOVE FRONT/REAR PAS SENSOR and remove necessary parts to get access to Front Left PAS Sensor connector.
Ignition "ON"
Back probe and measure signal waveform between Pin No. 1 (LIN) terminal of Front Left PAS sensor harness connector and chassis ground.
Specification: Refer to Fig 1 below

Fig 1: Screen Display - Normal LIN Communication Signal Waveform
Courtesy of KIA MOTORS AMERICA, INC.
Is measured value within specification?
YES
- Go to "SYSTEM INSPECTION " procedure.
NO
- Go to "WIRING INSPECTION " procedure.