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Conditions for Setting the DTC

WARNING: This page is about a different car, the 2005 Suzuki Swift +, 2005 Pontiac Wave, and 2005 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.

The resistance of the passenger side air bag deployment loop is over 2.8 ohms.

DTC 056

Step Action Values Yes No
CAUTION: Refer to SDM Voltage After Ignition Is Turned OFF Caution in Cautions and Notices.
CAUTION: Refer to Sensing and Diagnostic Module Handling Caution in Cautions and Notices.
1 Perform the Diagnostic System Check - SIR.
Is the Diagnostic System Check - SIR complete?
- Go to Step 2  Go to Diagnostic System Check - SIR 
2 Visually inspect any damage for the passenger side air bag wiring and the connector.
Is the air bag wiring damaged or the connector disconnected?
- Go to Step 3  Go to Step 4 
3 Repair the wiring damage or connect the connector.
Is the repair complete?
- Go to Diagnostic System Check - SIR  -
4
  1. Confirm the ignition switch is OFF.
  2. Disconnect the connector of the passenger side air bag module.
  3. Remove the connector of the sensing and diagnostic module (SDM).
  4. Measure the resistance between the terminal 1, 2 passenger side air bag module and the terminal 16, 17 of the SDM.
Is the resistance at the specified value?
10 K Ω Go to Step 5  Go to Step 7 
5
  1. Replace the SDM.
  2. Reconnect the negative battery cable.
  3. Set the scan tool to CODE ERASE.
  4. Perform the Diagnostic System Check - SIR.
Is DTC 056 still shown as a current fault?
- Go to Step 6  Go to Diagnostic System Check - SIR 
6 Replace the passenger side air bag module.
Is the repair complete?
- Go to Diagnostic System Check - SIR  -
7 Replace the air bag wiring.
Is the repair complete?
- Go to Diagnostic System Check - SIR  -