and retest.
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to ON (II), then wait for 10 seconds.
3. Check for DTCs with the HDS.
Is DTC A4-1x indicated?
YES -
Go to step 6.
NO -
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.?
4. Turn the ignition switch to LOCK (0).
5. Disconnect the negative cable from the battery, then wait at least 3 minutes.
6. Check the connection between the SRS unit connector B (39P) and the SRS unit.
Is the connection OK?
YES -
Go to step 6.
NO -
Repair the poor connection, clear the DTC, and retest.
7. Disconnect SRS unit connector B (39P) from the SRS unit.
8. Check for bent or damaged terminals on the SRS unit.
Are any terminals bent or damaged?
YES -
Replace the SRS unit See: Relays and Modules/Relays and Modules - Restraints and Safety Systems/Air Bag Control Module/Service and
Repair/SRS Unit Replacement.?
NO -
Replace the floor wire harness, then clear the DTC.?
B and Auto
DTC Troubleshooting: B1226 (B and AUTO)
DTC B1226 or DTC indicator B and AUTO:
A Short in the In-Car Temperature Sensor Circuit
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Do the self-diagnostic function with the HDS or the climate control unit.
4. Check for DTCs.
Is DTC B1226 or B and AUTO indicated?
