Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSACURA2011TSX SPORT WAGON L4-2.4LREPAIR AND DIAGNOSISSTARTING AND CHARGINGPOWER AND GROUND DISTRIBUTIONFUSE BLOCKSERVICE AND REPAIRUNDER-HOOD FUSE/RELAY BOX REMOVAL AND INSTALLATION
2011 Acura TSX Sport Wagon L4-2.4L
Under-Hood Fuse/Relay Box Removal and Installation
2011 Acura TSX Sport Wagon L4-2.4LSECTION Under-Hood Fuse/Relay Box Removal and Installation
Under-Hood Fuse/Relay Box Removal and Installation
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 Procedures.
2. Open the cover (A), then remove the bolts (B) for the alternator and battery cable terminals.
3. Remove the nut (C) and release the tab (D), and 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 by prying under the base of the relay.
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 Procedures.
4. Confirm that all systems work properly.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.