DC-DC CONVERTER INSPECTION [SKYACTIV-D 1.8]
DC-DC CONVERTER INSPECTION [SKYACTIV-D 1.8]
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DC-DC Converter Operation Inspection
1. Verify that the DC-DC converter related DTC is detected. (See DTC INSPECTION.)(See DTC TABLE [PCM (SKYACTIV-D)].)
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• If DTCs are detected, repair the malfunctioning part according to the applicable DTC troubleshooting.
• If a DTC is not detected, go to the next step.
2. Inspect the battery. (See BATTERY INSPECTION [(E)])
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3. When the engine is restarted by the i-stop control, verify that the following measured voltages are not lower than 11.5 V.
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• Rain sensor (auto light sensor) supply terminal (vehicle wiring harness-side connector terminal D)
• Tuner and amp unit (TAU) supply terminal (vehicle wiring harness-side connector terminal 1A)
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― If it cannot be verified, go to the next step.
4. Inspect the wiring harness between the following terminals for an open or short circuit.
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• DC-DC converter terminal K—Rain sensor (auto light sensor) terminal D
• DC-DC converter terminal K—Tuner and amp unit (TAU) terminal 1A
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― If there is any open or short circuit in the wiring harness, repair or replace the malfunctioning part.