Engine Control Module Cooling Fan 4.4L (Discovery 3)

Removal

1. Disconnect the ground cable from the battery. For more information, refer to Specification.

2. Remove the battery tray. For more information, refer to Battery Tray (76.10.30)

3. Remove the engine control module (ECM). For more information, refer to Engine Control Module (ECM) (18.30.03)

4. Remove the battery junction box (BJB) cover. Release the clamp.



5. Remove the BJB from the bracket. Remove the bolt.



6. Remove the Central Junction Box (CJB). For more information, refer to Central Junction Box (CJB) (86.70.56)

7. Release the CJB bracket.

• Release the 3 upper wiring harness clips.
• Remove 2 bolts.

8. Remove the CJB bracket.

• Disconnect the 2 electrical connectors.
• Release the 3 lower wiring harness clips.
• Unscrew 2 nuts.

9. Disconnect the ECM housing.

• Disconnect the insulation to gain access to the nuts.
• Unscrew 2 nuts and remove 2 bolts.

10.

ATTENTION: Pay attention to the wiring harness layout.

Disconnect and unplug the ECM cooling fan electrical connector.



11. Remove the lower panel of the ECM housing. Remove 4 screws.





12.

CAUTION: Mark the installation position of the components before removal.

Remove the cooling fan. Unscrew 2 screws.

Installation

1.

CAUTION: Make sure that the components are installed in the original positions marked during removal.

Install the cooling fan. Screw in 2 screws.

2.

CAUTION: Make sure the seal is installed correctly.

Install the ECM housing bottom panel. Install 4 screws.

3.

CAUTION: Make sure the wiring harnesses are positioned correctly.

Connect and secure the cooling fan electrical connector.

4.

CAUTION: Make sure the seal is installed correctly.

Secure the ECM housing. Tighten the bolts and nuts. (tightening torque 10 Nm).

5. Install the CJB bracket.

• Tighten the nuts (tightening torque 10 Nm).
• Secure the clamps.
• Connect the electrical connectors.
• Tighten the bolts (tightening torque 25 Nm).

6. Install the CJB. For more information, refer to Central Junction Box (CJB) (86.70.56)



7. Fix the BJB to the bracket. Tighten the bolt. (tightening torque 6 Nm).

8. Install the BJB cover. Fasten the clamp.

9. Install the ECM. For more information, refer to Engine Control Module (ECM) (18.30.03)

10. Install the battery shelf. For more information, refer to Battery Shelf (76.10.30)

11. Connect the ground cable to the battery. For more information, refer to Specification.