A Symptoms

SYMPTOMS

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

1. Perform the Diagnostic System Check - Vehicle in Vehicle DTC Information, 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. Diagnostic System Check - Vehicle
2. Review the Radio/Audio System Description and Operation in order to familiarize yourself with the system functions.

Visual/Physical Inspection
- Inspect for aftermarket devices which could affect the operation of the Radio/Audio System.
- Inspect for 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.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
- Radio Poor Reception
- Radio Displays LOC, LOCKED, or CODE
- Radio Displays CLN or CLEAN
- Radio Displays CAL or CAL ERR
- Tape Player Weak, Slow, or Garbled Output
- Reduced Volume - One or More Speakers
- Speakers Inoperative - One or More
- Radio Audio Inoperative at Rear Seat Audio (RSA) Control