NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTIONSM3330091
NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION

id011700954000


Remove Cover Assembly (Right Side)

1.Remove using the procedure shown in the figure.
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Step

Part name

Applicable condition
1
Cover assembly
(See Cover assembly removal note.)
All models


Cover assembly removal note

1.Remove the cover assembly as shown in the figure.
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Symbol

Content
Servicing procedure


Disconnect Negative Lead-Acid Battery Terminal


With e-SKYACTIV PHEV

Warning
• Before removing the SRS air bag system-related parts, always disconnect the negative lead-acid battery terminal and wait for 1 min or more to allow the back-up power supply to deplete its stored power.
• Contact with the positive lead-acid battery terminal could cause electrocution due to a short circuit and result in serious injury or death, or damage to vehicle parts. Do not contact the positive lead-acid battery terminal when performing the procedure.
Caution
• If the nut for the current sensor is loosened with the negative lead-acid battery terminal connected to the lead-acid battery, excessive torque will be applied to the negative lead-acid battery terminal and the lead-acid battery terminal will be damaged. When removing the negative lead-acid battery terminal and current sensor, be careful not to damage the lead-acid battery terminal.
• Be careful not to contact the positive lead-acid battery terminal.

1.Verify that the charge cable is not connected to the charging port.

• If the charge cable is connected to the charging port, remove the charge cable.

2.Keep the driver's door open.

3.Keep the main power switched ON (READY on) for 3 s or more.

4.Switch the main power OFF and start measuring the time since the main power was switched OFF using a stopwatch.

Caution
• If the cooling fan does not stop after 5 min have elapsed since the main power was switched OFF, wait until it stops.
• If the [Battery cooling] operation notification is displayed on the center display, do not make a selection and leave it as it is.

5.Switch the main power OFF and wait for 5 min.

Warning
• Before servicing after disconnecting the negative lead-acid battery terminal, wait for 1 min or more.
Caution
• If the time since the main power was switched OFF in Step 5 to the disconnection of the negative lead-acid battery terminal exceeds 25 min, perform the procedure from Step 3 again.
Note
• In order to prevent it from falling off, the negative lead-acid battery terminal nut cannot be removed.
• After the negative lead-acid battery is disconnected, there is no restriction on opening/closing the door.

6.Disconnect the negative lead-acid battery terminal within 25 min from switching the main power OFF in Step 5 using the following procedure.

(1)Disconnect the current sensor connector.
(2)Disconnect the negative lead-acid battery terminal.
• When disconnecting a negative lead-acid battery terminal with deformed plastic, expand the gap of the negative lead-acid battery terminal using a flathead screwdriver, and remove the terminal.
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Without e-SKYACTIV PHEV

Warning
• Before removing the SRS air bag system-related parts, always disconnect the negative battery terminal and wait for 1 min or more to allow the back-up power supply to deplete its stored power.
• Contact with the positive battery terminal could system may electrocution due to a short circuit and result in serious injury or death, or damage to vehicle parts. Do not contact the positive battery terminal when performing the procedure.
Caution
• Do not perform servicing for a long period (10 min or more) with the engine switch ON (engine stop).

1.Connect the M-MDS to the DLC-2.

2.Turn ON the engine switch (engine stop).

3.Verify the[BATTlowbarSOC] value using the M-MDS data logger function.

4.Record the [BATT_SOC] value.

[BATT_SOC] value is less than 75%
• Inspect the battery.
[BATT_SOC] value is 75% or more
• Go to the next step.

5.Turn OFF the engine switch.

Caution
• If the nut for the current sensor is loosened with the negative battery terminal connected to the battery, excessive torque will be applied to the negative battery terminal and the battery terminal will be damaged. When removing the negative battery terminal and current sensor, be careful not to damage the battery terminal.
• Be careful not to contact the positive battery terminal.

6.Disconnect the current sensor connector.

Note
• The positive battery terminal nut cannot be removed to prevent it from falling off.

7.Disconnect the negative battery terminal.

• When disconnecting the plastic deformed negative battery terminal, expand the gap of the negative battery terminal using a flathead screwdriver for removal.
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Perform Battery Condition Initial Setting (i-Stop Setting)

Caution
• If the engine is started with the hood open, i-stop will not operate until the hood is closed and the engine is restarted. (Not system malfunction) If the engine was started with the hood open, switch the ignition OFF, close the hood, and then restart the engine.
Without M Hybrid
• (i-stop non operation) If the vehicle is brought in with i-stop not operating, the malfunction cannot be resolved by only performing the battery condition initial setting (i-stop setting). Verify the PID BATT_SOC value and if the value is less than 75%, perform a battery inspection. (See BATTERY INSPECTION.)
• If the [BATT_SOC] has not been verified before disconnecting the negative battery terminal, perform the battery condition initial setting (i-stop setting) after performing the battery inspection.
• Directly after connecting the negative battery terminal, a BATT_SOC value of [0%] is displayed because the battery charge status is unstable. (It is necessary to leave vehicle for 6 to 48 hours until battery charge status stabilizes)
Note
T3
• If the diesel particulate filter regeneration control is not performed at a traveled distance of 10 km or less, the PCM performs the diesel particulate filter regeneration control while the setting procedure for the battery condition initial setting (i-stop setting) is performed to stabilize the exhaust gas purification. (Regular regeneration control)
• While the regular regeneration control is performed, a condition in which high engine speed is continued for a specified period of time. (Up to 22 min (depends on engine coolant temperature))

Circle: Applicable—: Not applicable

Purpose

Operation

With M Hybrid

Without M Hybrid

T3

PYUL
1. Verify that the BATT_SOC value measured when the vehicle is in the shop is 75% or more.
1. Using the M-MDS, verify that the PID [BATT_SOC] value is 75% or more.
O
O
O
2. In the following cases, perform a battery inspection. (See BATTERY INSPECTION.)
• [BATT_SOC] value is less than 75%
• [BATT_SOC] value cannot be verified
O
O
O
2. Have the [BATT_SOC] value determined by the PCM.
1. Disconnect the negative battery terminal and wait for 5 min or more. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)
Note
• It is necessary to leave the lead-acid battery undisturbed for or more because the voltage may not be stabilized depending on the battery usage condition and it could cause the PCM to determine the BATT_SOC value incorrectly.
O
O
O
2. Disconnect the current sensor connector.
O
O
O
3. Have the PCM learn the battery condition.
1. Connect the negative battery terminal and wait for 10 s or more. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)
O
O
O
2. Connect the current sensor connector.
Note
• If the current sensor connector is connected first before connecting the negative battery terminal, the PCM may mistakenly recognize a signal from the current sensor and will monitor the driver for approx. 3 min learn the battery condition incorrectly.
O
O
O
3. Switch the ignition ON (engine off) and wait between 15 s to 60 s.
—
O
O
4. Press and hold the i-stop OFF switch for approx.10 s.
—
O
O
5. Verify that the i-stop warning light (amber) illumination changes to the i-stop indicator light (green) flashing.
• If the i-stop warning light (amber) does not turn off, it is possible that the procedure was performed incorrectly, therefore, perform the procedure again from the beginning.
• If the i-stop warning light (amber) flashes, perform a battery inspection. (See BATTERY INSPECTION.)
—
O
O
6. Switch ignition OFF.
—
O
O
7. Close the hood.
O
O
O
4. Perform idle air control learning.
1. Switch the ignition ON (engine on).
—
—
O
2. Turn off the following systems to which electrical load is applied.
• Lighting systems such as headlights.
• Climate control system
• Rear window defogger
—
—
O
3. Warm up the engine completely.
—
—
O
4. Switch the ignition OFF.
—
—
O
5. Verify the i-stop control settings.
Perform the following procedure from Step 1 to 5 within 25 s.
—
O
O
1. Switch the ignition ON (engine off) and within 5 s, press and hold the i-stop OFF switch for 3 s or more.
—
O
O
2. Verify that the i-stop warning light (amber) is on.
—
O
O
3. Switch the ignition ON (engine on).
—
O
O
4. Verify that the i-stop warning light (amber) illumination changes to the i-stop indicator light (green) flashing.
• If the i-stop warning light (amber) illuminates or flashes, perform a battery inspection. (See BATTERY INSPECTION.)
—
O
O
5. Press and hold the i-stop OFF switch for approx. 3 s.
—
O
O
6. Wait for 30 s while idling (with no electrical load).
—
O
O
7. Perform engine racing for a minimum 10 times and a maximum 20 times. Then, wait for 30 s while idling (with no electrical load).
• After the flashing i-stop indicator light (green) turns off, switch the ignition OFF.
• If the i-stop indicator light (green) does not turn off, it is possible that there is a problem with the M Hybrid system, therefore, perform an inspection of the M Hybrid system.
Note
• The flashing i-stop indicator light (green) may turn off early and the i-stop control setting verification may be completed early depending on the battery condition.
—
—
—
8. Maintain the idling condition (with no electrical load) until the i-stop indicator light (green) flashing turns off.
—
O
O
9. After the flashing i-stop indicator light (green) turns off, switch the ignition OFF.
—
O
O
6. Perform an i-stop control operation verification.
1. Switch the ignition ON (engine on).
—
O
O
2. Accelerate to a vehicle speed of 15 km/h in approx. 5 s without operating the steering wheel.
—
O
O
3. Stop the vehicle.
—
O
O
4. Verify that the engine stops and restarts by the i-stop control.
—
O
O
5. Switch the ignition OFF.
—
O
O


Install in Reverse Order of Removal

1.Install in the reverse order of removal.


Perform Power Liftgate Initialization

Note
• If the negative battery terminal is disconnected with the power liftgate fully opened or half-open, the auto open/close operation of the power liftgate is disabled.

1.Close the power liftgate manually.


Perform Panorama Sunroof System Initialization

Note
• If removal/installation of the following parts or manual open/close operation of the sunroof front glass panel is performed, the panorama sunroof system will not operate normally. Therefore, perform the initialization.
― Panoramic sunroof unit
― Sunroof front glass panel motor
― Sunshade motor
― Sunroof front glass panel
― Sunroof rear glass panel
― Sunshade

1.Push the panorama sunroof switch toward the front to fully close the sunroof front glass panel and the sunshade.

• If the panorama sunroof is operated, but reverses and stops mid-operation (anti-pinch function operates), perform the following procedure 5 times to fully close the sunroof front glass panel and the sunshade.
― Push the panorama sunroof switch toward the front to reverse and stop the sunroof front glass panel (anti-pinch function operation).
Note
• The initialization mode starts and the auto function is canceled by operating the anti-pinch function 5 times.

2.Release the panorama sunroof switch.

3.Push and hold the panorama sunroof switch toward the front for 13 s or more.

Note
• Perform Step 5 within 6 s after performing Step 4.

4.Release the panorama sunroof switch.

5.Push and hold the panorama sunroof switch toward the front until the following procedure (1) to (3) are completed.

(1)Move the sunshade from the fully closed position to the fully open position.
(2)Move the sunroof front glass panel from the fully open position to the fully closed position after moving it from the fully closed position to the fully open position.
(3)Move the sunshade from the fully open position to the fully closed position.

6.Release the panorama sunroof switch to complete initialization.

7.Operate the panorama sunroof switch and verify that the sunroof front glass panel and the sunshade operate automatically.

• If the sunroof front glass panel and the sunshade do not operate automatically, repeat the procedure from Step 1.