DSC HU/CM REMOVAL/INSTALLATION

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Warning

•  If the DSC HU/CM configuration is not completed, it could result in an unexpected accident due to the DSC being inoperative. If the DSC HU/CM is replaced, always use the automatic configuration function so that the DSC operation conditions are correct.

•  If the DSC related parts sensor initialization procedure is not completed, the DSC will not operate properly and it might cause an unexpected accident. Therefore, after replacing the DSC HU/CM, always perform the DSC related parts sensor initialization procedure to insure proper DSC operation.

Caution

•  The internal parts of the DSC HU/CM could be damaged if dropped. Be careful not to drop the DSC HU/CM. Replace the DSC HU/CM if it is subjected to an impact.

Note

•  When the ignition is switched to ON or the engine is started after the DSC HU/CM has been replaced, the DSC CM reads data from the instrument cluster via CAN communication to perform automatic configuration.

•  The DSC HU/CM prior to replacement stores the vehicle specification information.

•  A new DSC HU/CM does not store any vehicle specification information.

1.  For SKYACTIV-G 1.5, SKYACTIV-G 2.0, or SKYACTIV-G 2.5, remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION [SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5].)

2.  For SKYACTIV-D 2.2, perform the following procedure:

(1)  Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

(2)  Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

(3)  Remove the clip from the PCM bracket. (See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

(4)  Remove the clip and bolt from the PCM bracket. (See ENGINE MOUNT DISASSEMBLY/ASSEMBLY [SKYACTIV-D 2.2].)

(5)  Remove the PCM component installation bolts. (See ENGINE MOUNT DISASSEMBLY/ASSEMBLY [SKYACTIV-D 2.2].)

(6)  Remove the PCM component.

(7)  Remove the cooler hose (LO) installation nuts. (See REFRIGERANT LINE REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

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(8)  Remove the wiring harness bracket installation bolts from the No.3 engine mount. (See ENGINE MOUNT DISASSEMBLY/ASSEMBLY [SKYACTIV-D 2.2].)

(9)  Set the PCM harness out of the way.

3.  For SKYACTIV-D 1.5, perform the following procedure:

(1)  Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION [SKYACTIV-D 1.5].)

(2)  Remove the clip and bolt shown in the figure and set the ground cable aside.

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(3)  Set the PCM component aside using the following procedure: (See PCM Component Installation Note.)

1)  Remove the bolts and connector shown in the figure.

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2)  Move the PCM component in the direction of the arrow shown in the figure and set it aside with the PCM connectors connected.

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(4)  Set the wiring harness bracket aside using the following procedure:

1)  Remove the nuts shown in the figure and set the cooler hose aside.

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2)  Remove the bolts shown in the figure and set the wiring harness bracket aside.

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4.  Remove the bracket.

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5.  Remove in the order indicated in the table.

6.  Install in the reverse order of removal.

7.  After installation, add brake fluid, bleed the air, and inspect for fluid leakage. (See BRAKE FLUID AIR BLEEDING.)

8.  Perform the following procedure to implement the DSC HU/CM automatic configuration.

(1)  Switch the ignition ON (engine off) and wait for 10 s or more.

(2)  Switch the ignition off and wait for 3 s or more.

(3)  Switch the ignition ON (engine off) and wait for 3 s or more.

(4)  The automatic configuration procedure is completed.

9.  Perform the DSC related parts sensor initialization procedure (only when replacing it with a new one). (See DSC RELATED PARTS SENSOR INITIALIZATION PROCEDURE.)

10.  Perform the TPMS initialization procedure. (Vehicles with TPMS) (See TIRE PRESSURE MONITORING SYSTEM INITIALIZATION PROCEDURE.)

11.  Clear the DTCs from the memory. (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)].)

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1	Connector (See Connector Removal Note.) (See Connector Installation Note.)
2	Brake pipe (See Brake Pipe Removal Note.) (See Brake Pipe Installation Note.)
3	Bolt
4	Nut
5	DSC HU/CM component

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1	Bolt
2	DSC HU/CM
3	Mount bolt
4	Mount rubber
5	Bracket

Connector Removal Note

Caution

•  If sand or other particles get into the connector, it may be difficult to remove. To prevent damaging the connector, be careful not to use excessive force when disconnecting it.

1.  Pull the lock lever down in the direction of the arrow while pressing the tab of the connector cover.

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2.  Pull the connector toward the vehicle rear and remove it.

Brake Pipe Removal Note

1.  Place an alignment marks on the brake pipe and DSC HU/CM.

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2.  Apply protective tape to the connector to prevent brake fluid from entering.

3.  Disconnect the brake pipes.

Brake Pipe Installation Note

1.  Align the marks made before removal and install the brake pipe to the DSC HU/CM and brake pipe joint referring to the figure.

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2.  Tighten the brake pipe to the specified torque using the commercially available flare nut wrench.

Connector Installation Note

1.  Connect the connector and pull the lock lever up in the direction of the arrow.

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2.  After connecting the connector, verify that the connector cover is completely pushed in.

PCM Component Installation Note

1.  Return the PCM component that was set aside to its original position.

2.  Install the wiring harness protector and connector.

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3.  Temporarily tighten the bolt shown in the figure.

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4.  Tighten the PCM component installation bolts in the order shown in the figure.

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