DTC Troubleshooting: B1-11
|DTC B1-11:||No Signal from Roll Rate Sensor|
Special Tools Required
SRS inflator simulator ( 07SAZ-TB4011A)
|1.||Erase the DTC memory.|
|2.||Turn the ignition switch ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off.|
Does the SRS indicator stay on, and is DTC B1-11 indicated?
YES - Go to 3.
NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, go to the DTC troubleshooting index.
|3.||Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.|
|4.||Check the connection between the floor wire harness 2P connector and the roll rate sensor.|
Is the connection OK?
YES - Go to 5.
NO - Poor contact between the floor wire harness 2P connector and the roll rate sensor; replace the roll rate sensor. If the problem still presents, replace the floor wire harness as needed.n
|5.||Disconnect SRS unit connector C (28P) from the SRS unit.|
|6.||Disconnect the floor wire harness 2P connector (A) from the roll rate sensor.|
|7.||Connect the SRS inflator simulator (jumper connector) and simulator lead H to the floor wire harness 2P connector (A).|
|8.||Check resistance between the No. 13 and No. 14 terminals of SRS unit connector C (28P). There should be 0-1.0 W.|
Is the resistance as specified?
YES - Faulty roll rate sensor; replace the roll rate sensor.n
NO - Open in the floor wire harness; replace the floor wire harness.