Removal and Installation: Removal
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.
CAUTION:
Perform ADDITIONAL SERVICE WHEN REPLACING ECM. Refer to Description
.
- After keying the engine OFF, wait for 1 minute to allow the ECM to completely power down before disconnecting the batteries.
- Disconnect 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.
- In order to have access to the ECM, it is necessary to remove the Intelligent Power Distribution Module [IPDM E/R (1)]. Release harness clips (A) from studs, then remove nuts. Refer to IPDM -Removal
- Disconnect the harness connectors from the ECM.
- Remove the bolts that secure ECM to vehicle body.
- Remove the ECM.