Component Inspection

IG "OFF" and install a scantool.
Connect probe to MAPS and TPS to check signal waveform by using oscilloscope function.

ENG "ON" and monitor signal waveform during acceleration and deceleration.

Specification: Signal waveform will be displayed as follows.

PRESSURE AND VOLTAGE SPECIFICATIONS

Fig 1: MAPS And TPS Signal Waveform

Courtesy of HYUNDAI MOTOR CO.

Fig 2: Check MAPS And TPS Signal Waveform By Using Oscilloscope

Courtesy of HYUNDAI MOTOR CO.

Fig 3: Identifying MAPS And TPS Connector Terminals

Courtesy of HYUNDAI MOTOR CO.

Is the relationship between the MAP and the TPS correct?
YES
- Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Substitute with a known - good MAPS and check for proper operation. If the problem is corrected, replace MAPS and go to "VERIFICATION OF VEHICLE REPAIR " procedure.