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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 553 (Supplemental Restraint System) >> Diagnosis And Testing >> Airbag and Safety Belt Pretensioner Supplemental Restraint System (SRS) >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to Diagnostic Methods in Service Information for information about these practices.

Symptom Chart

Condition Possible Sources Action
Airbag warning indicator is illuminated continuously Fuse
Wiring, terminals or connectors
IPC
RCM
CARRY OUT the RCM self-test. REFER to the RCM DTC Chart.
If no DTCs were retrieved from the RCM, REFER to Instrumentation, Message Center, and Warning Chimes to diagnose the IPC concern.
If the RCM does not respond to the diagnostic scan tool, REFER to Module Communications Network to diagnose the no communication concern.
Airbag indicator flashing SRS fault CARRY OUT RCM self-tests. REFER to the RCM DTC Chart.
Audible tone - DTCs retrieved SRS fault and airbag warning indicator fault CARRY OUT RCM and IPC self-tests. DIAGNOSE and REPAIR the RCM and IPC DTCs. REFER to Restraints Control Module (RCM) DTC Chart and the Instrument Panel Cluster (IPC) DTC Chart in Instrumentation, Message Center, and Warning Chimes .
The RCM does not respond to the diagnostic scan tool Fuse
Scan tool
DLC
Circuitry
RCM
REFER to Module Communications Network to diagnose the no communication concern.