DTC 21-9x (21-90 to 21-99, 21-9A to 21-9F): Short to Ground in Left Side Seat Belt Tensioner Special Tools Required SRS inflator simulator 07SAZ-TB4011A
SRS simulator lead F
07XAZ-SZ30100

1. Erase the DTC memory.

1. 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 21-9x indicated?

YES | - | Go to Step 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 for troubleshooting details.

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

1. Disconnect the left side seat belt tensioner 4P connector (A) from the floor wire harness.

1. Connect the SRS inflator simulator (2 Ω connectors) and simulator lead F to the floor wire harness.

1. Reconnect the battery negative cable.

1. Erase the DTC memory.

1. Read the DTC.

Is DTC 21-9x indicated?

YES | - | Go to Step 9 .
NO | - | Short to ground in the left side seat belt tensioner; replace the left side seat belt. ■

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