SRS DTC 61-1x
DTC 61-1x ("x" can be 0 thru 9 or A thru F) : Open in the Driver's Seat Belt Buckle Switch
- 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 .
- Before doing this troubleshooting procedure, review SRS Precautions and Procedures and General Troubleshooting Information .
- 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 , and retest.
- When troubleshooting, do not disconnect SRS unit connector B (39P) from the SRS unit.
| DTC Description | DTC |
|---|---|
DTC (SRS)
- Problem verification
-1. Clear the DTCs with the HDS .
-2. Press the engine start/stop button to select the ON mode, then wait for 10 seconds. Buckle and unbuckle the driver's seat belt several times.
-3. Check for DTCs with the HDS .
DTC Description DTC Is DTC 61-1x indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures . If another DTC is indicated, troubleshoot the DTC.
- SRS unit check
-1. Press the engine start/stop button to select the OFF mode.
-2. Connect terminals A and B with a jumper wire.
Terminal A SRS unit connector B (39P) No. 24 Terminal B Body ground -3. Clear the DTCs with the HDS .
-4. Press the engine start/stop button to select the ON mode, then wait for 10 seconds.
-5. Check for DTCs with the HDS .
DTC Description DTC Is DTC 61-2x indicated?
YES
Go to step 3.
NO
Faulty SRS unit or poor connection at SRS unit connector B (39P) and the SRS unit. Check the connection; if the connection is OK, replace the SRS unit . If the DTC does not clear, replace the floor wire harness.
- Open wire check (FLBC line)
-1. Press the engine start/stop button to select the OFF mode.
-2. Remove the jumper wire from SRS unit connector B (39P).
-3. Disconnect the driver's seat belt buckle switch 2P connector (A) on the floor wire harness.
-4. Press the engine start/stop button to select the ON mode.
-5. Measure the voltage between test points 1 and 2.
Test condition ON mode Driver's seat belt buckle switch 2P connector (on the floor wire harness): disconnected Test circuit FLBC Test point 1 Driver's seat belt buckle switch 2P connector No. 1 (on the floor wire harness) Test point 2 Body ground Is there 10 V or more?
YES
The FLBC wire is OK. Go to step 4.
NO
Open in the floor wire harness; replace the floor wire harness, then clear the DTC.
- Open wire check (GND line)
-1. Press the engine start/stop button to select the OFF mode.
-2. Measure the resistance between test points 1 and 2.
Test condition OFF mode Driver's seat belt buckle switch 2P connector (on the floor wire harness): disconnected Test circuit GND Test point 1 Driver's seat belt buckle switch 2P connector No. 2 (BLK) (on the floor wire harness) Test point 2 Body ground Is there 1.0 Ω or less?
YES
The GND wire is OK. Faulty driver's seat belt buckle switch; replace the driver's seat belt buckle assembly , then clear the DTC.
NO
Open in the floor wire harness; check for a poor ground at G602. If the ground is OK, replace the floor wire harness, then clear the DTC.