DTC Troubleshooting: 14-3

DTC 14-3:  No Signal from the Front Passenger's Side Impact Sensor

Special Tools Required
SRS inflator simulator (  07SAZ-TB4011A)
 

SRS simulator lead H (  07YAZ-S3A0100)
 


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?


YES - Go to 3.


NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures.


3.Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.

4.Check the connection between the IPi connector and the front passenger's side impact sensor.

Is the connection OK?


YES - Go to 5.


NO - Poor contact between the floor wire harness 2P connector and the front passenger's  side impact sensor; replace the front passenger's side impact sensor.n


5.Disconnect the TL1o and the TR1o connectors (A) from the TL1i and TR1i connectors (B).

 

6.Disconnect the IPi connector (A) from the passenger's side impact sensor.

 


7.Connect the special tool (jumper connector) to the IPi connector (A).

8.Disconnect the U2o connector (A) from the SRS unit.

 

9.Check resistance between the No. 25 and No. 26 terminals of the U2o connector. There should be 1.0 W or less.

 

Is the resistance as specified?


YES - Faulty passenger's side impact sensor or  SRS unit; replace the passenger's side impact sensor. If the problem is still present, replace the SRS unit.n


NO - Open in the floor wire harness; replace the floor wire harness.n