Symptoms - Restraint Systems

Symptoms - Restraint Systems

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

1. Perform [Diagnostic System Check - Vehicle Diagnostic Information] Diagnostic System Check - Vehicle Diagnostic Information 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.

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]. Diagnostic Aids

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
^ [Air Bag Indicator Circuit Malfunction] in order to diagnose the symptom.
^ [Passenger Presence System Indicator Circuit Malfunction] in order to diagnose the symptom.