DTC Troubleshooting: 12-8x

DTC 12-8x (12-80 to 12-89, 12-8A to 12-8F): Short to Power in Driver's Airbag Inflator (RHD) Special Tools Required SRS inflator simulator 07SAZ-TB4011A
SRS simulator lead C
07TAZ-SZ5011A
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 12-8x 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 driver's airbag 2P connector (A) from the cable reel.

1. Connect the SRS inflator simulator (2 Ω connector) and simulator lead C to the cable reel.

1. Reconnect the battery negative cable.

1. Erase the DTC memory.

1. Read the DTC.

Is DTC 12-8x indicated?

YES | - | Go to Step 9 .
NO | - | Short to power in the driver's airbag; replace the driver's airbag. ■

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

1. Disconnect the dashboard wire harness 4P connector (A) from the cable reel.

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

1. Reconnect the battery negative cable.

1. Erase the DTC memory.

1. Read the DTC.

Is DTC 12-8x indicated?

YES | - | Go to Step 15 .
NO | - | Short to power in the cable reel; replace the cable reel. ■

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

1. Disconnect SRS unit connector A (28P) from the SRS unit.

1. Disconnect the SRS inflator simulator from the SRS simulator lead F.

1. Reconnect the battery negative cable.

1. Turn the ignition switch ON (II).

1. Check for voltage between each terminal of the SRS simulator lead F and body ground. There should be 0.5 V or less

Is the voltage as specified?

YES | - | Faulty SRS unit; replace the SRS unit. ■
NO | - | Short to power in the dashboard wire harness; replace the dashboard wire harness.■