Removing and Installing Driver's Under-Dash Fuse/Relay Box (MICU) for TL FWD V6-35L (2009)
Relay Box: Service and Repair
Under-Hood Fuse/Relay Box Removal and Installation
Under-hood Fuse/Relay Box Removal and Installation
Special Tools Required
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Relay puller 07AAC-000A1A0
NOTE: The under-hood fuse/relay box is a part of the left engine compartment wire harness, and it cannot be replaced by itself.
Removal
1. Do the battery terminal disconnection procedure. See: Battery/Service and Repair/Procedures
2. Open the cover (A), then remove the screws (B) for the alternator and battery cable terminals.
3. Remove the nut (C) and release the tab (D), then remove the bottom cover (E) from the under-hood fuse/relay box.
4. Disconnect the connectors (F) from the under-hood fuse/relay box.
5. Remove the relay circuit board (G) from the under-hood fuse/relay box.
6. Carefully remove the relays using the relay puller. See: Testing and Inspection
NOTE: Do not use pliers. Pliers will damage the relays, which could cause the engine to stall or not start.
Installation
1. Install the relays and connect the connectors to the under-hood fuse/relay box, then install the under-hood fuse/relay box in the reverse order of
removal.
2. Install the removed parts in the reverse order of removal.
3. Do the battery terminal reconnection procedure. See: Battery/Service and Repair/Procedures
4. Confirm that all systems work properly.
