Special Tools Required
- SRS inflator simulator 07SAZ-TB4011A
- SRS simulator lead K 070AZ-SNAA200
- 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 , General Troubleshooting Information (see DTC (DIAGNOSTIC TROUBLE CODES) ) and BATTERY TERMINAL DISCONNECTION AND RECONNECTION .
- 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 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 22-8x indicated?
YES - Go to step 4.
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).
- Disconnect the negative cable from the battery, then wait at least 3 minutes.
- Remove the B-pillar lower trim (see B-PILLAR UPPER/LOWER TRIM ), then disconnect the front passenger's seat belt tensioner 4P connector (A) on the floor wire harness.
- Connect the terminals of SRS simulator lead K to the SRS inflator simulator (2 Ω connectors), and then connect SRS simulator lead K to the front passenger's seat belt tensioner 4P connector on the floor wire harness.
- Reconnect the negative cable to the battery.
- 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 22-8x indicated?
YES - Go to step 12.
NO - Short to power in the front passenger's seat belt tensioner; replace the front passenger's seat belt (see FRONT SEAT BELT REPLACEMENT ), then clear the DTC.
- Turn the ignition switch to LOCK (0).
- Disconnect the negative cable from the battery, then wait at least 3 minutes.
- Disconnect SRS unit connector B (39P) from the SRS unit (see step 10 under Disconnecting System Connectors ).
- Disconnect the SRS simulator lead K from the front passenger's seat belt tensioner 4P connector.
- Reconnect the negative cable to the battery.
- Turn the ignition switch to ON (II).
- Measure the voltage between body ground and SRS unit connector B (39P) terminals No. 14 and No. 15, individually.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there less than 0.2 V?
YES - 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 (see SRS UNIT REPLACEMENT ). If the DTC does not clear, replace the floor wire harness.
NO - Short to power in the floor wire harness; replace the floor wire harness, then clear the DTC.