DTC B00C0-87: No Signal From the Front Passenger's Weight Sensor (front inner side) (2017)
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 .
| DTC Description | DTC |
|---|---|
| B00C0-87 No signal from the front passenger's weight sensor (front inner side) |
DTC (SRS)
- 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 B00C0-87 No signal from the front passenger's weight sensor (front inner side) Is DTC B00C0-87 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.
- Open wire check (SWS+ line)
-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 connectors:
SRS unit connector B (39P) Junction connector 1 12P connector (on the front passenger's seat wire harness) Front passenger's weight sensor (front inner side) 3P connector (on the front passenger's seat wire harness) - 4. Measure the resistance between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode SRS unit connector B (39P): disconnected Junction connector 1 12P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (front inner side) 3P connector (on the front passenger's seat wire harness): disconnected Test point 1 SRS unit connector B (39P) No. 26 - Refer to: SRS Unit Connector for Inputs and Outputs (2017) Test point 2 Junction connector 1 12P connector No. 6 (on the front passenger's seat wire harness) Test point 1 Junction connector 1 12P connector No. 5 (on the front passenger's seat wire harness) Test point 2 Front passenger's weight sensor (front inner side) 3P connector No. 1 (on the front passenger's seat wire harness) Is there 1.0 Ω or less?
YES
The SWS+ wire is not open. Go to step 3.
NO
Open in the right side wire harness or the front passenger's seat wire harness; replace the faulty harness, then clear the DTC.
- Open wire check (SWS- line)
-1. Disconnect the following connectors:
Junction connector 2 12P connector (on the front passenger's seat wire harness) - 2. Measure the resistance between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode SRS unit connector B (39P): disconnected Junction connector 2 12P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (front inner side) 3P connector (on the front passenger's seat wire harness): disconnected Test point 1 SRS unit connector B (39P) No. 28 - Refer to: SRS Unit Connector for Inputs and Outputs (2017) Test point 2 Junction connector 2 12P connector No. 6 (on the front passenger's seat wire harness) Test point 1 Junction connector 2 12P connector No. 5 (on the front passenger's seat wire harness) Test point 2 Front passenger's weight sensor (front inner side) 3P connector No. 3 (on the front passenger's seat wire harness) Is there 1.0 Ω or less?
YES
The SWS- wire is not open. Go to step 4.
NO
Open in the right side wire harness or the front passenger's seat wire harness; replace the faulty harness, then clear the DTC.
- Open wire check (SWSS line)
-1. Measure the resistance between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode SRS unit connector B (39P): disconnected Junction connector 1 12P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (front inner side) 3P connector (on the front passenger's seat wire harness): disconnected Test point 1 SRS unit connector B (39P) No. 30 - Refer to: SRS Unit Connector for Inputs and Outputs (2017) Test point 2 Junction connector 1 12P connector No. 12 (on the front passenger's seat wire harness) Test point 1 Junction connector 1 12P connector No. 11 (on the front passenger's seat wire harness) Test point 2 Front passenger's weight sensor (front inner side) 3P connector No. 2 (on the front passenger's seat wire harness) Is there 1.0 Ω or less?
YES
The SWSS wire is not open. Go to step 5.
NO
Open in the right side wire harness or the front passenger's seat wire harness; replace the faulty harness, then clear the DTC.
- Shorted wire check (SWSS line to power)
-1. Disconnect the following connectors:
Front passenger's weight sensor (rear inner side) 3P connector (on the front passenger's seat wire harness) Front passenger's weight sensor (front outer side) 3P connector (on the front passenger's seat wire harness) Front passenger's weight sensor (rear outer side) 3P connector (on the front passenger's seat wire harness) - 2. Reconnect the negative cable to the 12 volt battery.
- 3. Turn the vehicle to the ON mode.
- 4. Measure the voltage between test points 1 and 2.
Test condition Vehicle ON mode SRS unit connector B (39P): disconnected Front passenger's weight sensor (front inner side) 3P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (rear inner side) 3P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (front outer side) 3P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (rear outer side) 3P connector (on the front passenger's seat wire harness): disconnected Test point 1 SRS unit connector B (39P) No. 30 - Refer to: SRS Unit Connector for Inputs and Outputs (2017) Test point 2 Body ground Test point 1 Front passenger's weight sensor (front inner side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Body ground Test point 1 Front passenger's weight sensor (rear inner side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Body ground Test point 1 Front passenger's weight sensor (front outer side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Body ground Test point 1 Front passenger's weight sensor (rear outer side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Body ground Is there 0.2 V or less?
YES
The SWSS wire is not shorted to power. Go to step 6.
NO
Short to power in the right side wire harness or the front passenger's seat wire harness; replace the faulty harness, then clear the DTC.
- Shorted wire check (SWSS line)
-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. Measure the resistance between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode SRS unit connector B (39P): disconnected Junction connector 1 12P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (front inner side) 3P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (rear inner side) 3P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (front outer side) 3P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (rear outer side) 3P connector (on the front passenger's seat wire harness): disconnected Test point 1 SRS unit connector B (39P) No. 30 - Refer to: SRS Unit Connector for Inputs and Outputs (2017) Test point 2 Body ground Test point 1 Front passenger's weight sensor (front inner side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Body ground Test point 1 Front passenger's weight sensor (rear inner side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Body ground Test point 1 Front passenger's weight sensor (front outer side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Body ground Test point 1 Front passenger's weight sensor (rear outer side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Body ground Is there an open circuit, or at least 1 MΩ?
YES
The SWSS wire is not shorted. Go to step 7.
NO
Short to ground in the right side wire harness or the front passenger's seat wire harness; replace the faulty harness, then clear the DTC.
- Shorted wire check (SWSS line to SWS- line)
-1. Measure the resistance between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode SRS unit connector B (39P): disconnected Junction connector 1 12P connector (on the front passenger's seat wire harness): disconnected Junction connector 2 12P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (front inner side) 3P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (rear inner side) 3P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (front outer side) 3P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (rear outer side) 3P connector (on the front passenger's seat wire harness): disconnected Test point 1 SRS unit connector B (39P) No. 30 - Refer to: SRS Unit Connector for Inputs and Outputs (2017) Test point 2 SRS unit connector B (39P) No. 28 - Refer to: SRS Unit Connector for Inputs and Outputs (2017) Test point 1 Front passenger's weight sensor (front inner side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Front passenger's weight sensor (front inner side) 3P connector No. 3 (on the front passenger's seat wire harness) Test point 1 Front passenger's weight sensor (rear inner side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Front passenger's weight sensor (rear inner side) 3P connector No. 3 (on the front passenger's seat wire harness) Test point 1 Front passenger's weight sensor (front outer side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Front passenger's weight sensor (front outer side) 3P connector No. 3 (on the front passenger's seat wire harness) Test point 1 Front passenger's weight sensor (rear outer side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Front passenger's weight sensor (rear outer side) 3P connector No. 3 (on the front passenger's seat wire harness) Is there an open circuit, or at least 1 MΩ?
YES
The SWSS and SWS- wire are not shorted. Go to step 8.
NO
Short to another wire in the right side wire harness or the front passenger's seat wire harness; replace the faulty harness, then clear the DTC.
- Shorted wire check (SWSS line to SWS+ line)
-1. Measure the resistance between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode SRS unit connector B (39P): disconnected Junction connector 1 12P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (front inner side) 3P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (rear inner side) 3P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (front outer side) 3P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (rear outer side) 3P connector (on the front passenger's seat wire harness): disconnected Test point 1 SRS unit connector B (39P) No. 30 - Refer to: SRS Unit Connector for Inputs and Outputs (2017) Test point 2 SRS unit connector B (39P) No. 26 - Refer to: SRS Unit Connector for Inputs and Outputs (2017) Test point 1 Front passenger's weight sensor (front inner side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Front passenger's weight sensor (front inner side) 3P connector No. 1 (on the front passenger's seat wire harness) Test point 1 Front passenger's weight sensor (rear inner side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Front passenger's weight sensor (rear inner side) 3P connector No. 1 (on the front passenger's seat wire harness) Test point 1 Front passenger's weight sensor (front outer side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Front passenger's weight sensor (front outer side) 3P connector No. 1 (on the front passenger's seat wire harness) Test point 1 Front passenger's weight sensor (rear outer side) 3P connector No. 2 (on the front passenger's seat wire harness) Test point 2 Front passenger's weight sensor (rear outer side) 3P connector No. 1 (on the front passenger's seat wire harness) Is there an open circuit, or at least 1 MΩ?
YES
The SWSS and SWS+ wires are OK. Faulty SRS unit or poor connection at SRS unit connector B (39P) and the SRS unit. Check the connection; if the connection is OK, check for any authorized service information related to the DTCs or symptoms you are troubleshooting or replace the SRS unit . If the DTC does not clear, replace the right side wire harness or the front passenger's seat wire harness.
NO
Short to another wire in the right side wire harness or the front passenger's seat wire harness; replace the faulty harness, then clear the DTC.