Component Inspection

Check TPS.

Ignition "OFF".
Disconnect TPS connector.

Measure resistance terminal 2 and 3 of TP sensor connector (Component side).

TPS RESISTANCE SPECIFICATION

ITEM	Specification
TPS Resistance (kΩ)	1.6 ~ 2.4kΩ at 20°C (68°F)

Fig 1: Measuring Resistance Terminal 2 And 3 Of TP Sensor Connector

G04801555

Is the measured resistance within specifications?
YES : --> Go to "Check ECM/PCM" as below.

NO : --> Check TPS for contamination, deterioration, or damage. Substitute with a known-good TPS and check for proper operation. If the problem is corrected, replace TPS and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

Check ECM/PCM.
1. Key "OFF". (Don't disconnect sensors.)
2. Select "vehicle scopemeter" in the menu, and connect channel A of scantool with terminal 1 of TPS harness connector.
3. Connect channel B of scantool with terminal 3 of MAFS harness connector.
4. Engine start. And check the signal waveforms with stepping on accelerator pedal.
  
  Fig 2: TPS And MAFS Signal Waveform Graph
5. Is the signal waveform within specifications?
  YES : --> Substitute with a known-good ECM/PCM and check for proper operation. If the problem is corrected, replace ECM/PCM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  
  NO : --> Substitute the sensor which outputs abnormal waveform with a known-good sensor and check for proper operation. If the problem is corrected, replace the sensor and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.