DC-DC CONVERTER INSPECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5]

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DC-DC Converter Operation Inspection (Vehicle With i-stop)

1.  Perform the KOER self-test.

•  If the following DTCs are detected, repair the applicable malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [SKYACTIV-G 2.0, SKYACTIV-G 2.5].)

―  P058A:00, P0A8D:00, P0A94:00, U0298:00, U1007:00

2.  Inspect the battery.

•  If there is a malfunction, recharge or replace the battery, then go to the next step. (See BATTERY RECHARGING [SKYACTIV-G 2.0, SKYACTIV-G 2.5].) (BATTERY INSPECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5].) (BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5].)

3.  When the engine is restarted by the i-stop control, verify that the following measured voltages are not lower than 11.5V.

•  Rain sensor (auto light sensor) supply terminal (vehicle wiring harness-side connector terminal D)

•  Audio unit supply terminal (vehicle wiring harness-side connector terminal 1B)

―  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.

•  DC-DC converter terminal K-Rain sensor (auto light sensor) terminal D

•  DC-DC converter terminal K-audio unit terminal 1B

―  If there is any open or short circuit in the wiring harness, repair or replace the malfunctioning part.

―  If there is any open or short circuit in the wiring harness, replace the DC-DC converter. (See DC-DC CONVERTER REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5].)