HFL Switch/HFL-Voice Control Switch Test/Replacement
WARNING: This page is about a different car, the 2008 Acura TSX, 2007 Acura TSX, 2006 Acura TSX, 2005 Acura TSX, and 2004 Acura TSX. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the switch cover (A), then remove the two screws.
- Disconnect the 5P connector (B) and remove the HFL switch or HFL-voice control switch (C).
- Measure the resistance between the No. 3 and No. 2 terminals in each switch position according to the table.
HFL Switch (Terminal No. 3 and No. 2)
HFL SWITCH (TERMINAL NO. 3 AND NO. 2)Position Resistance OFF About 1 kΩ HFL Talk button pressed About 185 kΩ HFL Back button pressed About 45 kΩ Navigation Voice Control Switch (Terminal No. 1 and No. 2)
NAVIGATION VOICE CONTROL SWITCH (TERMINAL NO. 1 AND NO. 2)Position Resistance OFF About 10 kΩ Talk button pressed About 2.2 kΩ Back button pressed About 637 kΩ - If the resistance is not as specified, replace the remote switch.