Removal and Installation: Installation
WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
- Install the new ECM to the ECM bracket on the vehicle body, then tighten bolts.CAUTION: Make sure no grease or dirt is between the ECM and the mounting plate.NOTE: Make sure all four bolts are installed. These ground the ECM body/casing.
ECM bolts
: 11 N.m (1.1 kg-m, 8 ft-lb)
- Use a suitable tool to remove all dirt and moisture from the ECM connector ports and the harness connectors.CAUTION: To avoid possible damage to the engine control module (ECM) or ECM connector caused by moisture, do not blow compressed air into the ECM ports or connector.
- Make sure the orange seal (A) in the ECM connectors is properly seated in its cavity. Otherwise, water intrusion to the electrical connectors could occur, which could cause shorts or intermittent connections.
- Connect the harness connectors (A/B) to the ECM by placing the harness connectors into the ECM header and pulling back on the locking lever until the connectors are fully seated and the lever locking tab is engaged.
- When the ECM is replaced, the new ECM must be calibrated. Refer to Description .
- Connect the battery or batteries. Refer to Battery Disconnect
.WARNING: Battery acid and battery acid fumes are extremely dangerous and can cause severe burns and explosion. To help reduce the risk of personal injury:
- Wear appropriate goggles and protective clothing.
- Always properly ventilate the area where the service is being performed.
- Never allow battery fluid to come in contact with skin, eyes, fabrics or painted surfaces.
- To avoid arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.
- If acid contacts eyes, skin or clothing, immediately flush with water for 15 minutes and seek medical attention.
- Operate the engine and check for loose components.