DTC U3000:49 [i-ELOOP]

id130201001500

DTC U3000:49

DC-DC converter (i-ELOOP) internal malfunction

DETECTION CONDITION

•  A malfunction in the DC-DC converter (i-ELOOP) is detected.

FAIL-SAFE FUNCTION

•  Not applicable

POSSIBLE CAUSE

•  DC-DC converter (i-ELOOP) internal malfunction

SYSTEM WIRING DIAGRAM

•  Not applicable

DTC U3000:49	DC-DC converter (i-ELOOP) internal malfunction
DETECTION CONDITION	• A malfunction in the DC-DC converter (i-ELOOP) is detected.
FAIL-SAFE FUNCTION	• Not applicable
POSSIBLE CAUSE	• DC-DC converter (i-ELOOP) internal malfunction
SYSTEM WIRING DIAGRAM	• Not applicable

Diagnostic Procedure

STEP	INSPECTION		ACTION
1	VERIFY RELATED SERVICE INFORMATION AVAILABILITY • Verify related Service Information availability. • Is any related Service Information available?	Yes	Perform repair or diagnosis according to the available Service Information. • If the vehicle is not repaired, go to the next step.
1		No	Go to the next step.
2	PERFORM DTC INSPECTION AND VERIFY DC-DC CONVERTER (i-ELOOP) MALFUNCTION • Clear the DTC for the DC-DC converter (i-ELOOP) using the M-MDS. (See CLEARING DTC [i-ELOOP].) • Start the engine. • Leave for 1 min while idling with no electrical load. • Leave for 1 min while racing with high electrical load.(DC-DC converter (i-ELOOP) terminal 3A voltage is 16 V or more) • Switch the ignition off. • Switch the ignition ON. • Retrieve the DC-DC converter (i-ELOOP) DTCs using the M-MDS. (See DTC INSPECTION [i-ELOOP].) • Is the same DTC present?	Yes	Replace the DC-DC converter (i-ELOOP), then go to the next step. (See DC-DC CONVERTER (i-ELOOP) REMOVAL/INSTALLATION [i-ELOOP].)
2		No	Go to Step 4.
3	PERFORM DTC INSPECTION AND VERIFY DC-DC CONVERTER (i-ELOOP) MALFUNCTION • Start the engine. • Leave for 1 min while racing with high electrical load. (DC-DC converter (i-ELOOP) terminal 3A voltage is 18 V or more.) • Switch the ignition off. • Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5].) • Remove the service plug. (See SERVICE PLUG DISCONNECTION/CONNECTION [i-ELOOP].) • Wait for 2 min. • Reinstall the service plug. (See SERVICE PLUG DISCONNECTION/CONNECTION [i-ELOOP].) • Reconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5].) • Wait for 1 min. • Switch the ignition ON. • Retrieve the DC-DC converter (i-ELOOP) DTCs using the M-MDS. (See DTC INSPECTION [i-ELOOP].) • Is the same DTC present?	Yes	Replace the DC-DC converter (i-ELOOP), then go to the next step. (See DC-DC CONVERTER (i-ELOOP) REMOVAL/INSTALLATION [i-ELOOP].)
3		No	Go to the next step.
4	VERIFY IF OTHER DTCs DISPLAYED • Are any other DTCs displayed?	Yes	Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [i-ELOOP].)
4		No	DTC troubleshooting completed.