DTC Troubleshooting: 1-5

DTC 1-5:  Short to Ground in Driver's Airbag Inflator

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

SRS simulator lead C (  07TAZ-SZ5011A)
 


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.Disconnect the D1o connector from the D1i connector (1).

 

5.Connect the special tool (2 W connector) to the D1i connector.

6.Reconnect the battery negative cable.

7.Erase the DTC memory.

8.Read the DTC.

Is DTC 1-5 indicated?


YES - Go to 9.


NO - Short to ground in the driver's airbag inflator; replace the driver's airbag.n


9.Disconnect the battery negative cable, and wait for 3 minutes.

10.Disconnect the P1o connector (1) from the P1i connector (2).

 


11.Disconnect the TL1o and TR1o connectors (1) from the TL1i and TR1i connectors (2).

 

12.Disconnect the U1o connector (1) from the SRS unit (A).

 

13.Disconnect the special tool from the D1i connector.

14.Check resistance between the No. 7 terminal of U1o connector and body ground, between the No.16 terminal and body ground. There should be 1 MW or more.

 

Is the resistance as specified?


YES - Faulty  SRS unit; replace the SRS unit.n


NO - Go to 15.

15.Disconnect the cable reel from the dashboard wire harness.

16.Check resistance between the No. 7 terminal of U1o connector and body ground, between the No. 16 terminal and body ground. There should be 1 MW or more.

Is the resistance as specified?


YES - Replace the cable reel.n


NO - Replace dashboard wire harness B.n