3.
Check the "Current Data" about related DTC with GDS.
Fig.1) Engine Idle after Warm Up & At Acceleration
A: Engine Idle after Warm Up
B: At Acceleration
Connect GDS to DLC(Data Link Cable).
Warm up the engine to normal operating temperature.
Check the "Current Data" about related DTC with GDS.
Fig.1) Engine Idle after Warm Up & At Acceleration
A: Engine Idle after Warm Up
B: At Acceleration
Is the measured signal waveform O.K?
 | ▶ Substitute with a known - good ECM and check for proper operation. If the problem is corrected, replace ECM and go to "Verification of Vehicle Repair" procedure. |
 | ▶ Substitute with a known-good APS and check for proper operation. If the problem is corrected,replace APS and then go to "Verification of Vehicle Repair" procedure. |
