DTC P057F:00 [PCM (SKYACTIV-D 2.2)]

id0102j5401000

Note

• To determine the malfunctioning part, proceed with the diagnostics from [Function inspection using M-MDS].

Details on DTCs

System malfunction location

Power system: Battery deterioration

Detection condition

Determination condition

•  The battery charge/discharge flow exceeds the specified value.

Preconditions

•  Not applicable

Drive cycle

•  1

Self-test type

•  CMDTC self test

Sensor/unit used

•  CURRENT SENSOR

Fail-safe

•  Not applicable

Vehicle status when DTCs are output

•  i-stop warning light (amber) flashes

•  Master warning light is turned on

•  The engine cannot be started or the engine may stall due to battery voltage decrease.

Possible cause

•  Battery deterioration

•  Current sensor malfunction

•  Front body control module (FBCM) malfunction

•  PCM malfunction

System malfunction location	Power system: Battery deterioration
Detection condition	Determination condition	• The battery charge/discharge flow exceeds the specified value.
Preconditions	• Not applicable
Drive cycle	• 1
Self-test type	• CMDTC self test
Sensor/unit used	• CURRENT SENSOR
Fail-safe	• Not applicable
Vehicle status when DTCs are output	• i-stop warning light (amber) flashes • Master warning light is turned on • The engine cannot be started or the engine may stall due to battery voltage decrease.
Possible cause	• Battery deterioration • Current sensor malfunction • Front body control module (FBCM) malfunction • PCM malfunction

System Wiring Diagram

• Not applicable

Function Explanation (DTC Detection Outline)

• The battery assures voltage for engine starting, and for the vehicle's electrical devices while the vehicle is being driven/the engine is stopped by i-stop.

• If the frequency of battery charging/discharging is high, the battery will deteriorate which could result in poor engine startability and the loss of assured supply voltage to the vehicle load.

• The current sensor sends a battery charge/discharge value to the PCM via the front body control module (FBCM). If the accumulated charge/discharge value exceeds the specified value, the PCM determines battery deterioration. In this case, the PCM determines a malfunction in a battery-related part and stores a DTC.

Repeatability Verification Procedure

1. Start the engine.

PID Item/Simulation Item Used in Diagnosis

PID

Item name	Outline	Unit	Display/condition
BATT_DAY	Elapsed days from connecting battery	—	• Displays the elapsed days from connecting the battery.

Function Inspection Using M-MDS

Step

Inspection

Results

Action

1

PURPOSE: VERIFY IF BATTERY CURRENT IS FALSELY RECOGNIZED DUE TO OCCURRENCE OF CURRENT SENSOR DTC

•  Switch the ignition OFF, and then switch it ON (engine off).

•  Perform the DTC inspection for the PCM using the M-MDS.
(See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)])

•  Has DTC P058A:00 been recorded?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

(See DTC P058A:00 [PCM (SKYACTIV-D 2.2)])

Go to the next step.

No

Go to the next step.

2

PURPOSE: VERIFY IF CURRENT SENSOR VALUE IS FALSELY RECOGNIZED DUE TO OCCURRENCE OF CAN OR LIN COMMUNICATION DTC

•  Perform the DTC inspection for the PCM and front body control module (FBCM) using the M-MDS.
(See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)])

(See DTC INSPECTION [FRONT BODY CONTROL MODULE (FBCM)])

•  Are DTCs related to CAN or LIN communication stored?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

(See DTC TABLE [PCM (SKYACTIV-D 2.2)])

(See DTC TABLE [FRONT BODY CONTROL MODULE (FBCM)])

Go to the next step.

No

Go to the next step.

3

PURPOSE: VERIFY IF MALFUNCTION IS CAUSED BY FORGETTING TO INITIALIZE BATTERY

•  Display PID BATT_DAY using the M-MDS.
(See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)])

•  Has it only been a short while since the battery was replaced?

Yes

Verify the battery replacement record (servicing record or consultation with customer).

If it can be determined that the battery initialization procedure was not performed, perform the procedure after battery replacement, and then perform the battery initialization.

(See BATTERY REMOVAL/INSTALLATION [SKYACTIV-D 2.2])

Go to the troubleshooting procedure to perform the procedure from Step 2.

No

Go to the troubleshooting procedure to perform the procedure from Step 1.

Step	Inspection	Results	Action
1	PURPOSE: VERIFY IF BATTERY CURRENT IS FALSELY RECOGNIZED DUE TO OCCURRENCE OF CURRENT SENSOR DTC • Switch the ignition OFF, and then switch it ON (engine off). • Perform the DTC inspection for the PCM using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)]) • Has DTC P058A:00 been recorded?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC P058A:00 [PCM (SKYACTIV-D 2.2)]) Go to the next step.
No	Go to the next step.
2	PURPOSE: VERIFY IF CURRENT SENSOR VALUE IS FALSELY RECOGNIZED DUE TO OCCURRENCE OF CAN OR LIN COMMUNICATION DTC • Perform the DTC inspection for the PCM and front body control module (FBCM) using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)]) (See DTC INSPECTION [FRONT BODY CONTROL MODULE (FBCM)]) • Are DTCs related to CAN or LIN communication stored?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (SKYACTIV-D 2.2)]) (See DTC TABLE [FRONT BODY CONTROL MODULE (FBCM)]) Go to the next step.
No	Go to the next step.
3	PURPOSE: VERIFY IF MALFUNCTION IS CAUSED BY FORGETTING TO INITIALIZE BATTERY • Display PID BATT_DAY using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)]) • Has it only been a short while since the battery was replaced?	Yes	Verify the battery replacement record (servicing record or consultation with customer). If it can be determined that the battery initialization procedure was not performed, perform the procedure after battery replacement, and then perform the battery initialization. (See BATTERY REMOVAL/INSTALLATION [SKYACTIV-D 2.2]) Go to the troubleshooting procedure to perform the procedure from Step 2.
No	Go to the troubleshooting procedure to perform the procedure from Step 1.

Troubleshooting Diagnostic Procedure

Intention of troubleshooting procedure

• Step 1

― Replace the battery.

• Steps 2 to 3

― Verify that the primary malfunction is resolved and there are no other malfunctions.

Step

Inspection

Results

Action

1

REPLACE BATTERY

•  Replace the battery.
(See BATTERY REMOVAL/INSTALLATION [SKYACTIV-D 2.2])

•  Perform the battery condition initial setting (i-stop setting).
(See BATTERY CONDITION INITIALIZATION SETTING (i-stop SETTING))

—

Go to the next step.

2

PURPOSE: VERIFICATION OF VEHICLE REPAIR COMPLETION

•  Reconnect all disconnected connectors and hoses.

•  Refer to the [MEMORY CLEARING PROCEDURE] and clear the DTC.
(See CLEARING DTC [PCM (SKYACTIV-D 2.2)])

•  Implement the repeatability verification procedure.
(See Repeatability Verification Procedure)

•  Display the DTCs using the M-MDS.
(See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)])

•  Is DTC P057F:00 displayed?

Yes

Perform the battery condition initial setting (i-stop setting) and perform Step 2 again.

(See BATTERY CONDITION INITIALIZATION SETTING (i-stop SETTING))

•  If the malfunction recurs, replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2])

No

Go to the next step.

3

PURPOSE: VERIFY IF THERE IS ANY OTHER MALFUNCTION

•  Has any other DTC or pending code been stored?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

(See DTC TABLE [PCM (SKYACTIV-D 2.2)])

No

DTC troubleshooting completed.

Step	Inspection	Results	Action
1	REPLACE BATTERY • Replace the battery. (See BATTERY REMOVAL/INSTALLATION [SKYACTIV-D 2.2]) • Perform the battery condition initial setting (i-stop setting). (See BATTERY CONDITION INITIALIZATION SETTING (i-stop SETTING))	—	Go to the next step.
2	PURPOSE: VERIFICATION OF VEHICLE REPAIR COMPLETION • Reconnect all disconnected connectors and hoses. • Refer to the [MEMORY CLEARING PROCEDURE] and clear the DTC. (See CLEARING DTC [PCM (SKYACTIV-D 2.2)]) • Implement the repeatability verification procedure. (See Repeatability Verification Procedure) • Display the DTCs using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)]) • Is DTC P057F:00 displayed?	Yes	Perform the battery condition initial setting (i-stop setting) and perform Step 2 again. (See BATTERY CONDITION INITIALIZATION SETTING (i-stop SETTING)) • If the malfunction recurs, replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2])
2		No	Go to the next step.
3	PURPOSE: VERIFY IF THERE IS ANY OTHER MALFUNCTION • Has any other DTC or pending code been stored?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (SKYACTIV-D 2.2)])
3		No	DTC troubleshooting completed.