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Q.
Is diagnosis code set?
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Inspection chart for diagnosis code (Refer to ).
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<Crank angle sensor>
- Use the test harness (MB991709) to connect crank angle sensor connector, and measure at the pick-up harness.
- Engine: Idling
- Transmission: Neutral
- Voltage between terminal engine-ECU SGT line and earth.
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<Camshaft position sensor>
- Use the test harness (MB991709) to connect camshaft position sensor connector, and measure at pick-up harness.
- Engine: Idling
- Transmission: Neutral
- Voltage between terminal engine-ECU SGC line and earth.
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OK: The timings on the output wave pattern at the both sensors should be the same as the specification in the inspection procedure using an oscilloscope (Refer to ).
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Q.
Is the check result normal?
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Q.
Does the trouble symptom persist?
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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Replace crank shaft sensing blade.
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Q.
Is the check result normal?
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Replace camshaft position sensing cylinder.
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- After replacing the crank angle sensor, re-check the trouble symptoms.
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Q.
Does trouble symptom persist?
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- After replacing the camshaft position sensor, re-check the trouble symptoms.
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Q.
Does trouble symptom persist?
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).
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