LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 980 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0098: Automatic Occupant Sensing Controller ECU Malfunction >> Test Description

Test Description

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. 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. 3:  Inspects the PPS to make sure the correct part number was installed in the vehicle.
  2. 5:  Inspects the SDM to make sure the correct part number was installed in the vehicle.
DTC B0098

Step Action Yes No
Schematic Reference: SIR Schematics 
Connector End View Reference: SIR Connector End Views 
1 Did you perform the Diagnostic System Check - SIR? Go to Step 2  Go to Diagnostic System Check - SIR 
2 Was the passenger presence system (PPS) replaced? Go to Step 3  Go to Step 4 
3  Inspect the PPS to make sure that the correct part number was installed in the vehicle.
Was the correct PPS part number installed in the vehicle?		 Go to Step 4  Go to Step 6 
4 Was the inflatable restraint sensing and diagnostic module (SDM) replaced? Go to Step 5  Go to Step 6 
5  Inspect the SDM to make sure that the correct part number was installed in the vehicle.
Was the correct SDM part number installed in the vehicle?		 Go to Step 6  Go to Step 8 
6
IMPORTANT: The PPS is a calibrated system. The PPS must be rezeroed after replacement.
Replace the PPS. Refer to Inflatable Restraint Passenger Presence System Replacement - Front .Did you complete the replacement?		 Go to Step 7  -
7
  1. Reconnect all SIR and PPS system components.
  2. Verify that all components, connectors, and connector position assurances (CPA) are properly mounted.
  3. Use the scan tool in order to clear the SIR and PPS DTCs.
  4. Rezero the PPS. Refer to Passenger Presence System Rezeroing Procedure .
  5. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?		 Go to Step 8  System OK
8 Replace the SDM. Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement .
Did you complete the replacement?		 Go to Step 9  -
9
  1. Reconnect all SIR and PPS system components.
  2. Verify that all components, connectors, and CPAs are properly mounted.
  3. Use the scan tool in order to clear the SIR and PPS DTCs.
  4. Rezero the PPS. Refer to Passenger Presence System Rezeroing Procedure .
  5. 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
scientia non olet · About LEMON Manuals