Monitor Scantool Data
1.

Connect scantool to Data Link Cable (DLC).

2.

Warm up engine to normal operating temperature.

3.

Monitor that "Injector Booster Operating Voltage" parameter on the scantool.

Fig 1) Normal value with injector booster operating voltage (above 70V).

4. Is the Current data displayed correctly ?

YES

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.

NO

▶ Go to "W/Harness Inspection" procedure.

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