Initial Inspection and Diagnostic Overview

NOTE: Many customers do not understand the limitations of FM reception. Refer the customer to the Owner Guide for information about the limitations of FM radio performance.

1. Verify the customer's concern by operating the electronic audio system to duplicate the condition.
2. Inspect to determine if one of the following mechanical or electrical concerns apply:

VISUAL INSPECTION CHART

Mechanical
- Radio chassis with or without tape player physically damaged, misaligned, any controls inoperative.
- Antenna and two-piece antenna cable or electric antenna physically damaged, misaligned connections.
- Radio speakers mounting/speaker cones physically damaged, misaligned
- Radio ignition interference capacitor, radio frequency interference suppression bond and radio receiver hood bonding strap misaligned, unclean and nonmetal-to-metal contact.

Electrical
- Open fuses: fuse junction panel ACC Fuse (10A), Cluster Fuse (5A) or power distribution box Fuse 12 (40A).
- Open connectors.
- Corroded connectors.

3. If the inspection reveals obvious concern(s) that can be readily identified, service as required.
4. If the concern(s) remains after the inspection, determine the symptom(s) and go to the Symptom Chart. Symptom Related Diagnostic Procedures

Audio system radio chassis abbreviations are as follows:
- Electronic Search Cassette (ESC)
- Premium Analog Cassette (PAC)
- Compact Disc Radio (CDR)