DTC 61-1x: ("X" Can Be 0 Thru 9 Or A Thru F) Open In the Driver's Seat Belt Buckle Switch

WARNING: This page is about a different car, the 2013 Honda Fit, 2012 Honda Fit, 2011 Honda Fit, 2010 Honda Fit, and 2009 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components, of the correct part number, and that they were properly installed. (See COMPONENT REPLACEMENT/INSPECTION AFTER DEPLOYMENT ).
Before doing this troubleshooting procedure, review SRS PRECAUTIONS AND PROCEDURES and General Troubleshooting Information (see DTC (DIAGNOSTIC TROUBLE CODES) ).
Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS unit software (see SRS UNIT UPDATE ), and retest.

Clear the DTC with the HDS (see READING THE DTC ).
Turn the ignition switch to LOCK (0), then wait for 10 seconds.
Turn the ignition switch to ON (II), then buckle and unbuckle the driver's seat belt several times.
Check for the DTCs with the HDS (see READING THE DTC ).
Is DTC 61-1x indicated?

YES - Go to step 5.

NO - Intermittent failure, the system is OK at this time. Go to TROUBLESHOOTING INTERMITTENT FAILURES . If another DTC is indicated, troubleshoot the DTC.
Turn the ignition switch to LOCK (0).
Install a jumper wire between SRS unit connector B (39P) terminal No. 19 and body ground.

Fig 1: Identifying Jumper Wire Connection Between SRS Unit Connector B (39P) Terminal No. 19 & Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Clear the DTCs with the HDS (see CLEAR THE DTC MEMORY ).
Turn the ignition switch to ON (II), then wait for 10 seconds.
Check for the DTCs with the HDS (see READING THE DTC ).
Is DTC 61-1x indicated?

YES - Go to step 10.

NO - Faulty SRS unit or poor connection at SRS unit connector B (39P) and the SRS unit. Check the connection between the connector and the SRS unit. If the connection is OK, replace the SRS unit (see SRS UNIT REPLACEMENT ).
Turn the ignition switch to LOCK (0).
Disconnect the jumper wire installed on step 6.
Disconnect the driver's seat belt buckle switch 2P connector (A) on the floor wire harness.

Fig 2: Identifying Driver's Seat Wire Harness 2P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Turn the ignition switch to ON (II).
Measure the voltage between the driver's seat belt buckle switch 2P connector on the floor wire harness terminal No. 2 and body ground.
Is there more than 10 V?

YES - Go to step 15.

NO - Open in the floor wire harness; replace the floor wire harness, then clear the DTC.

Fig 3: Measuring Voltage Between SRS Unit Connector B (39P) Terminal No. 19 & Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Turn the ignition switch to LOCK (0).
Measure the resistance between the driver's seat belt buckle switch 2P connector on the floor wire harness terminal No. 1 and body ground.

Fig 4: Measuring Resistance Between Terminal No. 1 Driver's Seat Wire Harness 2P Connector & Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there less than 1.0 Ω.?

YES - Faulty driver's seat belt buckle switch; replace the driver's seat belt buckle assembly (see FRONT SEAT BELT BUCKLE ), then clear the DTC.

NO - Open in the floor wire harness; check for a poor ground at G601 (see FLOOR WIRE HARNESS (LEFT BRANCH) ). If the ground is OK, replace the floor wire harness, then clear the DTC