The PASSENGER AIR BAG ON/OFF indicators, located in the center of instrument panel cluster (IPC), are used to notify the driver when the passenger presence system (PPS) has enabled or disabled the I/P inflator module. When the ignition is turned ON, the PPS module is supplied with voltage and commands both PASSENGER AIR BAG ON/OFF indicators ON for 5 seconds, then the PPS module conducts tests on the PPS components and circuits while both PASSENGER AIR BAG ON/OFF indicators are ON. If no malfunctions are detected, the PPS module will turn the PASSENGER AIR BAG indicator ON or OFF, depending on the status of the PPS. If a malfunction is detected, the PPS module will store a diagnostic trouble code (DTC), default the PPS to the OFF state, and communicate with the SDM that a DTC has been set. The SDM will request the IPC to turn the AIR BAG indicator ON to notify the driver of a PPS malfunction.
The following are possible causes of the malfunction:
• | A short in the passenger air bag OFF indicator control circuit |
• | A short in the passenger air bag ON indicator control circuit |
• | An open or high resistance in the passenger air bag OFF indicator control circuit |
• | An open or high resistance in the passenger air bag ON indicator control circuit |
Thoroughly inspect the wiring and the connectors. An incomplete inspection of the wiring and the connectors may result in a misdiagnosis, causing a part replacement with the reappearance of the malfunction. If an intermittent malfunction exists, refer to Testing for Intermittent Conditions and Poor Connections .
The numbers below refer to the step numbers on the diagnostic table.
Tests the Passenger AIR BAG ON/OFF indicator ignition 1 voltage circuit for a short to ground, high resistance, or an open.
Tests the passenger air bag OFF indicator control circuit for a short to ground, a high resistance, or an open.
Tests the passenger air bag ON indicator control circuit for a short to ground, a high resistance, or an open.
Tests the PPS module for proper operation.
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 | |
2 |
Does connector exhibits any signs of damage or corrosion? | Go to Step 10 | Go to Step 3 |
3 |
Does connector exhibits any signs of damage or corrosion? | Go to Step 10 | Go to Step 4 |
Did you find and correct the condition? | Go to Step 10 | Go to Step 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 . Did you find and correct the condition? | Go to Step 10 | Go to Step 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 . Did you find and correct the condition? | Go to Step 10 | Go to Step 7 | |
Does the test lamp illuminate? | Go to Step 8 | Go to Step 9 | |
8 |
Did you complete the replacement? | Go to Step 10 | -- |
9 |
Important: The PPS is a calibrated system. The PPS must receive the PPS preload test procedure after replacement. Did you complete the replacement? | Go to Step 10 | -- |
10 |
Does the DTC reset? | Go to Step 2 | System OK |