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7.2 Cellular Telephone (CTEL)   >   23 Electrical Test Program - Call Placement/Reception Test

Test scope Test connection Test condition Nominal value Possible cause/Remedy 1.0 Call placement indicator   Ignition: ON Radio: ON CTEL: ON Handset securely in cradle. Known good service area. Place call from CTEL to landline telephone (vehicle should be outside). Call is in progess. Indicator lights up. 24 , 27 . 1.1 Audio switchover   Call is in progress. Radio is muted, appears on radio faceplate. 26 1.2 Intercept tone (alternating high/low tone)   Call is in progress. No audible tone heard. Number dialed incorrectly, Cellular service not actvated: contact carrier. 1.3 Fast-busy signal   Call is in progress. No fast-busy signal heard. If fast-busy signal: cellular system busy (no open channel), contact carrier if problem persists. 1.4 Hands-free function   Call went through to landline telephone. Handset securely in cradle. Hands-free microphone functions. Audio heard through vehicle CTEL speakers. 27 , 28 . 25 1.0 (model 129), 25 4.0 (model 140), Wiring. 1.5 Handset function   Call went through to landline telephone. Remove handset from cradle. Terminate telephone call (Press END ). Handset is functional. No audio through vehicle CTEL speakers. 27 2.0 Call reception Audio switchover   Ignition: ON Radio: ON CTEL: ON Handset securely in cradle. Known good service area. Place call from landline telephone to CTEL (vehicle should be outside). Call is in progess. Incoming radio mute feature programmed in second menu. Radio is muted, appears on radio faceplate. Verify Menu programming, 26 2.1 Ringing tone   Call is in progress. Audible ringing is heard through vehicle CTEL speakers. 25 1.0 (model 129) 25 4.0 (model 140) 2.2 IDC display   Call is in progress. IDC display indicates and display backlighting flashes. Contact carrier, 27 . 2.3 Hands-free function   Call went through to CTEL. Handset securely in cradle. Hands-free microphone functions. Audio heard through vehicle CTEL speakers. 27 , 28 . 25 1.0 (model 129), 25 4.0 (Model 140), Wiring. 2.4 Handset function   Call went through to CTEL. Remove handset from cradle. Terminate telephone call (Press END ). Handset is functional. No audio through vehicle CTEL speakers. 27