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Test Description

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. 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. 4:  Tests the Passenger AIR BAG ON/OFF indicator ignition 1 voltage circuit for a short to ground, high resistance, or an open.
  2. 5:  Tests the passenger air bag OFF indicator control circuit for a short to ground, a high resistance, or an open.
  3. 6:  Tests the passenger air bag ON indicator control circuit for a short to ground, a high resistance, or an open.
  4. 7:  Tests the PPS module for proper operation.
Passenger Presence System Indicator Circuit Malfunction

Step Action Yes No
Schematic Reference: SIR Schematics 
Connector End View Reference: SIR Connector End Views 
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2
  1. Turn OFF the ignition.
  2. Disconnect the Passenger Presence System (PPS) module connector located under the passenger seat. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
  3. Inspect the PPS module connector for damage or corrosion that may cause the malfunction. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Does connector exhibits any signs of damage or corrosion?		 Go to Step 10  Go to Step 3 
3
  1. Disconnect the Passenger AIR BAG ON/OFF Indicator connector. Refer to Indicator Replacement - Inflatable Restraint IP Module .
  2. Inspect the Passenger AIR BAG ON/OFF indicator connector for damage or corrosion that may cause the malfunction. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Does connector exhibits any signs of damage or corrosion?		 Go to Step 10  Go to Step 4 
4 
  1. Turn OFF the ignition.
  2. Test the Passenger AIR BAG ON/OFF indicator ignition 1 voltage circuit for a short to ground, a high resistance, or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 10  Go to Step 5 
5  Test the PASSENGER AIR BAG OFF indicator control circuit between the Passenger AIR BAG ON/OFF indicator and the PPS for a short to voltage, high resistance, or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 10  Go to Step 6 
6  Test the PASSENGER AIR BAG ON indicator control circuit between the Passenger AIR BAG ON/OFF indicator and the PPS for a short to voltage, high resistance, or an open. 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. Connect a test lamp between the ignition 1 voltage circuit and the passenger air bag OFF indicator control circuit on the Passenger AIR BAG ON/OFF indicator connector.
  3. Empty the front passenger seat.
  4. Turn ON the ignition, with the engine OFF.
Does the test lamp illuminate?		 Go to Step 8  Go to Step 9 
8
  1. Turn OFF the ignition.
  2. Replace the Passenger AIR BAG ON/OFF indicator. Refer to Indicator Replacement - Inflatable Restraint IP Module .
Did you complete the replacement?		 Go to Step 10  -
9
  1. Turn OFF the ignition.
    2. IMPORTANT: The PPS is a calibrated system. The PPS must be rezero after replacement.
  2. Replace the PPS, the PPS is only serviceable as PPS, heated seat element, and seat bottom foam assembly. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the replacement?		 Go to Step 10  -
10
  1. Connect all SIR and PPS components.
  2. Turn ON the ignition, with the engine OFF.
  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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