B0098

DTC B0098

Diagnostic Instructions

- Perform the Diagnostic System Check - Vehicle prior to using the diagnostic procedure.
- Review Strategy Based Diagnosis for an overview of the diagnostic approach.
- Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC B0098 52: Manual Cutoff Switch Circuit Compare Failure

Diagnostic Fault Information






Circuit/System Description

The inflatable restraint I/P module disable switch is ignition key operated to manually enable or disable the inflatable restraint I/P module. When the ignition is turned ON, ignition 1 voltage is supplied to the inflatable restraint I/P module disable switch and based on the position of the switch either the I/P module disable switch signal circuit (ON) or the I/P module suppression indicator control (OFF) circuit will be active to the inflatable restraint sensing and diagnostic module (SDM). The SDM will communicate to the instrument panel cluster (IPC) to illuminate the appropriate the ON/OFF indicator as well as enable or disable the deployment of the I/P module. If a malfunction is detected, a DTC will be stored.

Conditions for Running the DTC

Ignition 1 voltage is between 9-16 volts.

Conditions for Setting the DTC

The SDM detects both the I/P module disable switch signal circuit (ON) and the I/P module suppression indicator control (OFF) circuit active or inactive for 500 milliseconds.

Action Taken When the DTC Sets

The SDM requests the instrument panel cluster (IPC) to illuminate the AIR BAG indicator.

Conditions for Clearing the DTC

- The condition for setting the DTC no longer exists.
- A history DTC will clear once 100 malfunction-free ignition cycles have occurred.

Circuit/System Testing

Important: When removing connectors inspect for damage or corrosion. Damage or corrosion to the following requires repair or replacement of the affected component/connector:
- Inflatable restraint I/P module disable switch
- SDM
- Inflatable restraint I/P module wiring harness connector
- SDM wiring harness connector

1. Ignition OFF, disconnect the harness connector at the inflatable restraint I/P module disable switch.
2. Ignition ON, verify that a test lamp illuminates between the ignition circuit terminal B and ground.
->If the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance, if the circuit tests normal and the ignition fuse is open, test or replace the inflatable restraint I/P module disable switch.
3. Verify that a test lamp illuminates between the I/P module disable switch signal control circuit terminal E and B+.
->If the test lamp does not illuminate, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the SDM
4. Verify that a test lamp illuminates between the I/P module suppression indicator control (OFF) circuit terminal A and B+.
5. If all circuits test normal, test or replace the inflatable restraint I/P module disable switch.