3.
Monitor "Diagnostic Trouble Codes(DTC)" with GDS.
Connect GDS to Data Link Connector(DLC).
Ignition "ON"
Monitor "Diagnostic Trouble Codes(DTC)" with GDS.
Is DTC status displayed as Present?
 | ▶ Go to "Monitor GDS Data" procedure. |
 | ▶ Go to "Verification of Vehicle Repair" procedure. |
Ignition "OFF".
Connect VMI to GDS and set up an oscilloscope as follow (2-channel);
Channel A (+) : Pin No. 1 (High) terminal of Injector 2 or 3.
Channel A (-) : Ground
Channel B (+) : Pin No. 2 (Low) terminal of Injector 2 or 3.
Channel B (-) : Ground
Ignition "ON" & Engine "ON".
Testing Condition : Engine Idle.
Specification : Refer to Figure below
Fig.1) Normal Injector Signal waveform at Idle.
Fig.2) Normal Injector Signal waveform at approx. 2500 RPM of engine speed.
Is measured value within specification?
| ▶ Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors ( and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage. ▶ Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure. |
| ▶ Go to "Wiring Inspection" procedure. |
