3.
Select "Diagnostic Trouble Codes(DTC)" Analysis and press "DTC Status".
Connect GDS to DLC(Data Link Cable).
IG "ON".
Select "Diagnostic Trouble Codes(DTC)" Analysis and press "DTC Status".
Is the parameter displayed "Present"?
 | ▶ Go to "Monitor GDS Data". |
 | ▶ Fault is intermittent caused by poor contact in the sensor’s and/or ECM’s connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of vehicle Repair" procedure. |
Connect GDS to DLC(Data Link Cable).
Check the "Current Data" about related DTC with GDS during Cranking the engine.
If the parameter is not simular with shown data, measure related waveforms with GDS.
Fig.1) Normal Waveforms of OCV-in & CKPS, CMPS(IN, EX) at Engine idle.
A : CKPS & CMPS(Intake side) syncronization - There are about 4~5 teeth between the CKPS missing tooth and CMPS signal.
Are the parameters displayed correctly?
| ▶ Fault is intermittent caused by poor contact in the sensor’s and/or ECM’s connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of vehicle Repair" procedure. |
| ▶ Go to "Terminal and Connector inspection" procedure. |
