Operation CHARM: Car repair manuals for everyone.

Initial Inspection and Diagnostic Overview

1. Verify the customer concern by operating the telematics system and the portable cellular phone both in portable mode and while connected to the vehicle. Observe the information and audio unit display while operating telematics.

NOTE:
^ The telematics control module must be reconfigured upon installation.
^ The cellular phone module is also referred to as the Portable Support Electronics (PSE) module.
^ When installation of a new cellular phone is necessary, contact an authorized Ford cellular phone repair facility.

2. Visually inspect for obvious signs of electrical damage.
3. Make sure the portable cellular phone is turned ON. With the power button ON, the system should be ON while the ignition switch is in ACC or RUN.
4. Make sure the customer is calling within the coverage area. NO SERVICE will appear in the display if the customer is calling from outside the coverage area.
5. Check to see if the Roam indicator is ON. If so, follow the roaming instructions in the owner literature.
6. Check to see if the display reads Locked. If so, press Clr and enter the customer unlock code.
7. Make sure the portable cellular phone is securely seated in the holder.
8. Check the handset holder connections in the console.
9. Check the portable cellular phone antenna and cellular phone module connections.
10. Check the portable cellular phone system registration. Also, check to make sure that the portable cellular phone is correctly programmed. Incorrect programming can result in single system scanning, loss of speed dialing, loss of hands-free audio, loss of auto redial, loss of dial tone multi-frequency tones, and the loss of other keypad/portable cellular phone functions.
11. Check the customer account status with the cellular carrier.

If the customer concern is still present, follow these steps to diagnose the concern:

12. Inspect to determine if one of these mechanical or electrical concerns apply:

VISUAL INSPECTION CHART

Electrical
^ Central Junction Box (CJB) fuses:
- 2.14 (7.5A)
- 2.18 (7.5A)
- 2.33 (15A)
^ Portable cellular phone
^ Microphone
^ Circuitry
^ Telematics control switch
^ Telematics control module
^ GPS antenna coaxial cable and connectors
^ Portable support electronics (PSE) module
^ Portable cellular phone holder
^ Glass-mounted cellular phone antenna

13. If the inspection reveals obvious concerns which can be readily identified, repair as necessary.
14. If the cause of the fault is not visually evident, proceed to diagnose the portable cellular phone system by:
^ connecting the diagnostic tool or
^ entering the audio unit self-diagnostic mode.