* Left rear side impact sensor terminal A
锟斤拷 If greater than the specified range, test the circuit for a short to voltage.
5. Test for infinite resistance between the signal circuit and ground.
* Right front end sensor terminal 1
* Left front end sensor terminal 1
* Right front side impact sensor terminal B
* Left front side impact sensor terminal B
* Right rear side impact sensor terminal B
* Left rear side impact sensor terminal B
锟斤拷 If less than the specified value, test the circuit for a short to ground.
6. Test for less than 1 ohm between the following signal circuit terminals.
* Right front end sensor terminal 1 and SDM terminal 37.
* Left front end sensor terminal 1 and SDM terminal 36.
* Right front side impact sensor terminal B and the SDM terminal 43.
* Left front side impact sensor terminal B and the SDM terminal 42.
* Right rear side impact sensor terminal B and the SDM terminal 45.
* Left rear side impact sensor terminal B and the SDM terminal 44.
锟斤拷 If greater than the specified range, test the circuit for an open/high resistance.
7. Test for less then 1 ohm between the following front end sensor low reference circuit terminals.
* Right front end sensor terminal 2 and SDM terminal 39.
* Left front end sensor terminal 2 and SDM terminal 38.
* Right front side impact sensor terminal A and the SDM terminal 41.
* Left front side impact sensor terminal A and the SDM terminal 40.
* Right rear side impact sensor terminal A and the SDM terminal 47.
* Left rear side impact sensor terminal A and the SDM terminal 46.
锟斤拷 If greater than the specified range, test the circuit for an open/high resistance.
8. If all circuits test normal, replace the appropriate sensor.
9. Reconnect all SIR components. Ignition ON, with a scan tool clear and check for DTCs.
锟斤拷 If the DTC returns and is current, replace the SDM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Inflatable Restraint Front End Sensor Replacement (See: Restraints and Safety Systems/Air Bag Systems/Impact Sensor/Service and
Repair/Inflatable Restraint Front End Sensor Replacement)
* Inflatable Restraint Side Impact Sensor Replacement (Front Side Door) (See: Restraints and Safety Systems/Air Bag Systems/Impact
Sensor/Service and Repair/Inflatable Restraint Side Impact Sensor Replacement (Front Side Door))Inflatable Restraint Side Impact Sensor
Replacement (Rear Side Door) (See: Restraints and Safety Systems/Air Bag Systems/Impact Sensor/Service and Repair/Inflatable Restraint
Side Impact Sensor Replacement (Rear Side Door))
* SIR/SRS Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic
Procedures/Wiring Repairs/SIR/SRS Wiring Repairs)
* Control Module References (See: Testing and Inspection/Programming and Relearning) for SDM replacement, setup, and programming
B0091
DTC B0091
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
