Control Unit Input Test

WARNING: This page is about a different car, the 2002 Honda Accord, 2001 Honda Accord, 2000 Honda Accord, 1999 Honda Accord, and 1998 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.

SRS components are located in this area. Review the SRS components locations, precautions and procedures in AIR BAG RESTRAINT SYSTEMS before performing repairs or service.

Remove the driver's dashboard lower cover (see DRIVER'S DASHBOARD LOWER COVER REMOVAL/INSTALLATION ).
Disconnect the 14P connector from the control unit.
Inspect the connector and socket terminals to be sure they are all making good contact.
- If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
- If the terminals look OK, go to step 4.
  
  Fig 1: Identifying Control Unit Connector Terminals
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
With the 14P connector disconnected, make these input tests.

Fig 2: Control Unit Input Test Chart (1 Of 2)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 3: Control Unit Input Test Chart (2 Of 2)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If any test indicates a problem, find and correct the cause, then recheck the system. If all the input tests prove OK, the control unit may be faulty; replace it. Substitute a known-good control unit and retest. If the system works properly, replace the control unit.