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Home >> Lincoln >> 2005 >> Aviator AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System >> Diagnosis And Testing >> Navigation System >> Connector Circuit Reference >> Audio Unit C2253a

Audio Unit C2253a

Fig 1: Identifying Audio Unit C2253a Connector
G03860259Courtesy of FORD MOTOR CO.
AUDIO UNIT C2253A CONNECTOR TERMINAL PIN REFERENCE

Pin Number(s) Circuit Designation/Description Normal Condition/Measurement
1 1534 (BK) video circuit RED Less than 5 ohms between the audio unit and the navigation system module with the navigation system module disconnected. Greater than 10,000 ohms between the audio unit and ground with the navigation system module disconnected.
2 1535 (BK) video circuit GREEN Less than 5 ohms between the audio unit and the navigation system module with the navigation system module disconnected. Greater than 10,000 ohms between the audio unit and ground with the navigation system module disconnected.
3 1538 (YE/RD) video return Less than 5 ohms between the audio unit and the navigation system module with the navigation system module disconnected. Greater than 10,000 ohms between the audio unit and ground with the navigation system module disconnected.
5 1530 (LB) navigation system voice (+) Less than 5 ohms between the audio unit and the navigation system module with the navigation system module disconnected. Greater than 10,000 ohms between the audio unit and ground with the navigation system module disconnected.
7 3126 (TN/YE) CAN (+) communication Less than 5 ohms between the audio unit and the navigation system module with the navigation system module disconnected. Greater than 10,000 ohms between the audio unit and ground with the navigation system module disconnected.
8 1536 (BK) video circuit BLUE Less than 5 ohms between the audio unit and the navigation system module with the navigation system module disconnected. Greater than 10,000 ohms between the audio unit and ground with the navigation system module disconnected.
9 1537 (RD) video synchronization circuit Less than 5 ohms between the audio unit and the navigation system module with the navigation system module disconnected. Greater than 10,000 ohms between the audio unit and ground with the navigation system module disconnected.
12 1531 (LG) navigation system voice (-) Less than 5 ohms between the audio unit and the navigation system module with the navigation system module disconnected. Greater than 10,000 ohms between the audio unit and ground with the navigation system module disconnected.
14 3125 (RD/YE) CAN (-) communication Less than 5 ohms between the audio unit and the navigation system module with the navigation system module disconnected. Greater than 10,000 ohms between the audio unit and ground with the navigation system module disconnected.
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