Symptoms - Restraint Systems

Symptoms - Restraint Systems

Important: Complete the following steps before using the symptom tables:

1. Perform Diagnostic System Check - Vehicle before using the symptom tables in order to verify that all of the following are true:
* There are no DTCs set.
* The inflatable restraint sensing and diagnostic module (SDM) can communicate via the serial data link. Initial Inspection and Diagnostic Overview
2. Review the SIR system description and operation in order to familiarize yourself with the system functions. Refer to SIR System Description and Operation.

Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the SIR system.

* Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Diagnostic Aids. Component Tests and General Diagnostics

Symptom List

* Refer to Air Bag Indicator Circuit Malfunction in order to diagnose the symptom.
* Refer to Passenger Presence System Indicator Circuit Malfunction in order to diagnose the symptom.