6a. KOEO Injector Electrical Self-Test: Purpose:
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NOTE:
Before carrying out the KOEO injector electrical self-test, allow the engine to stabilize at the temperature necessary to recreate the symptom. Access the PCM and record the freeze frame data. The freeze frame data contains information which can be used to recreate original conditions that caused the symptom. Refer to FREEZE FRAME DATA
for more information.
NOTE:
If unable to carry out KOEO Injector Electrical Self-Test, disconnect the FICM connector and check injectors for shorts or opens.
The purpose of this test is to determine if the injector coils and valves are functioning by energizing all injectors together and then each injector in numerical sequence (1 through 8).
KOEO Injector Electrical Self-Test
- Use the scan tool. Injector DTCs will be transmitted after the self-test is completed.
- All the injectors momentarily click, then each injector clicks in sequence 1 through 8.NOTE: Sequence repeats three times.
NOTE:
DTCs can be historical if not cleared from a previous test.
| Injector Trouble Codes |