General Check Before Troubleshooting

Before troubleshooting the keyless access system, check the following items and solve any applicable issues.

• Check the No. B2-4 (40 A), No. B2-6 (30 A), No. B3-2 (30 A), No. B3-5 (50 A), No. B3-7 (30 A) and the No. B8 (20 A) fuses in the main under-hood fuse box.
• Check the No. C16 (10 A) fuse in the under-hood fuse/relay box.
• Check the No. D11 (7.5 A), No. D13 (7.5 A), No. D18 (10 A), and the No. D21 (20 A) fuses in the driver's under-dash fuse/relay box.
• Check for poor connection at the keyless access/TPMS control unit.
• Check for DTCs with the HDS; if a DTC is indicated, troubleshoot the DTC first.
• Before testing, troubleshoot the keyless access system first using SELF CHECK, and if any malfunction is found, troubleshoot it first.
• Make sure the keyless remote is not in a purse with coins, wrapped with any metallic material, placed near a mobile phone or computer.
• Make sure the vehicle battery is fully charged.
• Make sure the keyless remote batteries are not low; if they are, replace the battery.
• Make sure a different keyless remote is not being used; only use an Acura-approved keyless remote.
• Make sure the keyless remote is not attached to a key ring or key case; if it is, remove the key from it.
• Make sure aftermarket accessories are not installed; remove any aftermarket accessories.
• Make sure aftermarket accessories are not connected to the S-NET line; disconnect any aftermarket accessories from the S-NET line.
• Make sure there is no electrical interference nearby; avoid areas with electrical interference.