DTC B0070-11: Short to Ground in the Driver's Seat Belt Tensioner (2014-15)

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 were properly installed. Refer to: SRS Component Replacement/Inspection After Deployment
• Before doing this troubleshooting procedure, review SRS Precautions and Procedures , General Troubleshooting Information , and 12 Volt 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 , and retest.

DTC (SRS)

1. Problem verification

   -1. Clear the DTCs with the HDS.

   - 2. Turn the vehicle to the ON mode, then wait for 10 seconds.

   - 3. Check for DTCs with the HDS.

   DTC Description	DTC
   B0070-11 Short to ground in the driver's seat belt tensioner

   Is DTC B0070-11 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.

2. Shorted wire check 1 (LRP+, LRP- lines)

   -1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.

   - 3. Disconnect the following connector:

   SRS unit connector B (39P)

   - 4. Measure the resistance between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	SRS unit connector B (39P): disconnected
   Test circuit	LRP+
   Test point 1	SRS unit connector B (39P) No. 24
   Test point 2	Body ground

   Test circuit	LRP-
   Test point 1	SRS unit connector B (39P) No. 25
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there an open circuit, or at least 1 MΩ?

   YES 

   The LRP+ and LRP- wires are OK. Replace the SRS unit .

   NO 

   Go to step 3.

3. Shorted wire check 2 (LRP+, LRP- lines)

   -1. Remove the left side center pillar lower trim.

   - 2. Disconnect the following connector:

   Driver's seat belt tensioner 2P connector (on the left side wire harness)

   - 3. Measure the resistance between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	SRS unit connector B (39P): disconnected
   	Driver's seat belt tensioner 2P connector (on the left side wire harness): disconnected
   Test circuit	LRP+
   Test point 1	SRS unit connector B (39P) No. 24
   Test point 2	Body ground

   Test circuit	LRP-
   Test point 1	SRS unit connector B (39P) No. 25
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there an open circuit, or at least 1 MΩ?

   YES 

   The LRP+ and LRP- wires are OK. Faulty Driver's seat belt tensioner; replace the Driver's seat belt , then clear the DTC.

   NO 

   Short to ground in the left or right side wire harness; replace the faulty harness, then clear the DTC.