A Preliminary Information

IMPORTANT: The following steps must be completed before using the symptom tables.

1. Perform A Diagnostic System Check - Remote keyless Entry before using the Symptom Tables in order to verify that all of the following are true:
- There are no DTCs set.
- The control module(s) 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 Operation.

Visual/Physical Inspection
Inspect for aftermarket devices which could affect the operation of the Remote Keyless Entry System. Refer to Checking Aftermarket Accessories in Diagrams.
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
- Inspect the keyless entry transmitter is the correct model for the vehicle remote system. A wrong model transmitter will not activate the vehicle remote system.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent and Poor Connections in Diagrams.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
- Second Operation Inoperative with Transmitter
- Panic Mode Inoperative
- Keyless Entry System Inoperative