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7.2 Cellular Telephone (CTEL)   >   12 Diagnosis - Complaint Related Diagnostic Chart

Complaint/Problem Possible cause Test step/Remedy 1) In-dash controller (IDC) display is blank   11 No keypad response on IDC display Wiring IDC (A35/3) 11 5.0 Feature or memory failure   11 indicator stays on Antenna 11 4.0 indicator stays on Antenna 11 3.0 Error code on IDC display   13 Constant intercept tone   11 23 Constant fast busy/reorder tone   11 23 Can not place any calls   11 23 1.0 24 Can not receive any calls   11 23 2.0 24 Poor reception quality, static 2)   11 23 1.0 24 Frequently dropped calls 2)   11 23 1.0 24 Antenna will not extend or retract Wiring Antenna 11 24 2.0 Radio does not mute with incoming or outgoing calls   26 No microphone audio at IDC Ensure that handset is properly seated in cradle 28 27 No speaker audio Ensure that handset is properly seated in cradle 23 25 1.0 (Model 129) 25 4.0 (Model 140) 26 No mouthpiece audio at handset   27 No earpiece audio at handset   27 Poor audio quality   11 23 25 1.0 (Model 129) 25 4.0 (Model 140) No Touchtone® audio from keypad   11 23 25 1.0 (Model 129) 25 4.0 (Model 140) 27 1) Observe Preparation for Test, see 22 . 2) Usually this type of complaint is due to limitations of the cellular system. Find out if complaint is limited to specific geographic areas.