Electronic Automatic Temperature Control (EATC) Module and Electronic Manual Temperature Control (EMTC) Module Cold Boot Process

The purpose of the cold boot process is to allow the EATC or EMTC module to reinitializes. To carry out the cold boot process, follow the steps below.

NOTE: EATC only.
1. Clear the DTCs.
2. Turn the ignition switch to the OFF position.
3. Disconnect the EATC or EMTC module electrical connectors.
4. Inspect module connectors for:
   • corrosion.
   • pushed-out connectors.
   • incorrectly seated connector.
5. Wait one minute.
6. Connect the EATC or EMTC module electrical connectors.
7. Turn the ignition switch to the ON position.
8. Select any position except OFF on the EATC or EMTC module.

The EATC or EMTC module will now initialize.