Engine Control Module: Service and Repair

Fig 29 Power Distribution Center Retaining Screws:

REMOVAL
1. Disconnect both cables from battery, negative cable first.

NOTE: On some models you will need to perform the LED reset procedure (LED's Flashing) after disconnecting the battery. Testing and Inspection

2. Remove 2 screws holding Power Distribution Center (PDC) to bracket (Fig. 29).

Fig 30 Battery Heat Shield:

3. Remove heat shield from battery (Fig 30).

Fig 31 Battery Clamp:

4. Remove nut and clamp holding battery to battery tray (Fig. 31).
5. Remove battery from vehicle.

Fig 32 PDC Rear Bracket:

6. Rotate PDC toward center of vehicle to remove from rear bracket (Fig. 32).
7. Pull PDC rearward to remove from front bracket. Lay PDC aside to allow access to Powertrain Control Module (PCM).

Fig 33 PCM 40 Way Connectors:

8. Squeeze tabs on 40-way connector. Pull connector rearward to remove from PCM (Fig. 33). Remove both way connectors.

Fig 34 PCM Removal/Installation:

9. Remove 3 screws holding PCM to fender (Fig. 34).
10. Remove PCM from vehicle.

INSTALLATION
1. Connect 2 40-Way electrical connectors to PCM (Fig. 33).
2. Install PCM. Tighten mounting screws.
3. Install PDC bracket.
4. Install battery.