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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1325 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B1153 >> Test Description

Test Description

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. 6:  Tests the Seat Position Sensor - High and the Seat Position Sensor - Low circuits for an open or high resistance. Tests the Seat Position Sensor - High and the Seat Position Sensor - Low circuits for a short to ground. Tests the Seat Position Sensor - High and the Seat Position Sensor - Low circuits for a short to voltage.
  2. 8:  Tests to see if the malfunction is caused by the seat position sensor.
DTC B1153

Step Action Yes No
Schematic Reference:  SIR Schematics  
Connector End View Reference:  SIR Connector End Views  
1 Did you perform A Diagnostic System Check - SIR? Go to Step 2  Go to Diagnostic System Check - SIR 
2 Is DTC B1153 set as a current DTC? Go to Step 3  Go to Diagnostic Aids
3
  1. Turn OFF the ignition.
  2. Disconnect the seat position sensor connector.
  3. Inspect both the component and harness sides of the connector for damage or corrosion that may cause the malfunction. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Does the connector exhibit any signs of damage or corrosion?		 Go to Step 4  Go to Step 5 
4
  1. If the component side of the seat position sensor connector is damaged, the seat position sensor must be replaced. Refer to Inflatable Restraint Side Impact Module Replacement - RH .
  2. If the harness side of the seat position sensor connector is damaged, replace the harness side of the connector. Refer to Connector Repairs in Wiring Systems.
Did you complete the replacement?		 Go to Step 10  -
5
  1. Turn OFF the ignition.
  2. Disconnect the SDM connector.
  3. Inspect the SDM connector for damage or corrosion that may cause a malfunction in the seat position sensor - High and/or the Seat position sensor - Low circuits. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 10  Go to Step 6 
6 
  1. Test the Seat position sensor - High and the Seat position sensor - Low circuits for an open or high resistance.
  2. Test the Seat position sensor - High and the Seat position sensor - Low circuits for a short to ground.
  3. Test the Seat position sensor - High and the Seat position sensor - Low circuits for a short to voltage.
  4. All the above conditions refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 10  Go to Step 7 
7
  1. Turn OFF the ignition.
  2. Replace the seat position sensor.
Did you complete the replacement?		 Go to Step 8  -
8 
  1. Reconnect all SIR components.
  2. Verify that all components, connectors and CPAs are properly mounted.
  3. Use the scan tool in order to Clear the DTCs.
  4. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?		 Go to Step 9  System OK
9 Replace the SDM. Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement .
Did you complete the replacement?		 Go to Step 10  -
10
  1. Reconnect all SIR components.
  2. Verify that all components, connectors and CPAs are properly mounted.
  3. Use the scan tool in order to Clear the DTCs.
  4. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?		 Go to Step 2  System OK
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