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Symptoms - Remote Functions

Symptoms - Remote Functions


Note

The following steps must be completed 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 control modules can communicate via the serial data link.

2. Review the system operation in order to familiarize yourself with the system functions. Refer to Keyless Entry System Description and Operation (without ATH) Keyless Entry System Description and Operation (with ATH) .


Visual/Physical Inspection


• Inspect for aftermarket devices which could affect the operation of the Keyless Entry System. Refer to Checking Aftermarket Accessories .

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


Intermittent

Faulty electrical connections, wiring, terminals, connectors, poor voltage and ground connections, temperature sensitivity, electromagnetic interference, electrical noise and/or incorrect control module installed may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections .

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:


• Garage Door Opener Malfunction

• Keyless Entry System Malfunction (Active) Keyless Entry System Malfunction (Passive)

• Remote Vehicle Start Malfunction