Monitor GDS Data

Connect GDS to Data Link Connector (DLC).
IG KEY "ON" & ENG "OFF"
Monitor the "TPS" parameters on the GDS. (ECM's current data)
Specification: APS1: 0V ~ 5V (APS2: 0V~2.5V)

Fig 1: Display - Accelerator Pedal Voltage 1 And 2 Current Data
Courtesy of HYUNDAI MOTOR AMERICA

ENG "ON" - ECM's Current Data(Accelator pedal signal), refer to Fig 1.
Is parameter displayed within specifications?
YES
- Go to "VERIFICATION OF VEHICLE REPAIR " procedure
NO
- APS signal is out of available range.
  → Check the Engine ECU and APS system and Go to "VERIFICATION OF VEHICLE REPAIR " procedure".