Navigation System Module C4209

WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Navigation System Module C4209 Connector Terminals

Courtesy of FORD MOTOR CO.

C4209 CONNECTOR REFERENCE CHART

Pin Number(s)	Circuit Designation/Description	Normal Condition/Measurement
1	30-GK8 (RD/BK) keep alive power feed	Greater than 10 volts with key ON or OFF.
2	10-GK8 (GY/BK) B+ voltage feed ON/ACC position	Greater than 10 volts with the key in ON or ACC.
5	4-GK8 (GY/BK) controller area network (CAN) (+) communication	Less than 5 ohms between the navigation system module and the audio unit with the audio unit disconnected. Greater than 10,000 ohms between the navigation system module and ground with the audio unit disconnected.
7	8-MC8 (WH/RD) navigation microphone (+)	Less than 5 ohms between the navigation system module and the rear view mirror with the rear view mirror disconnected. Greater than 10,000 ohms between the navigation system module and ground with the rear view mirror disconnected.
8	10-GK24 (GY/RD) video circuit RED	Less than 5 ohms between the navigation system module and the audio unit with the audio unit disconnected. Greater than 10,000 ohms between the navigation system module and ground with the audio unit disconnected.
9	10-GK26 (GY/VT) video circuit BLUE	Less than 5 ohms between the navigation system module and the audio unit with the audio unit disconnected. Greater than 10,000 ohms between the navigation system module and ground with the audio unit disconnected.
10	9-GK35 (BN) video return	Less than 5 ohms between the navigation system module and the audio unit with the audio unit disconnected. Greater than 10,000 ohms between the navigation system module and ground with the audio unit disconnected.
11	1-GK18 (WH/BU) navigation system voice (+)	Less than 5 ohms between the navigation system module and the audio unit with the audio unit disconnected. Greater than 10,000 ohms between the navigation system module and ground with the audio unit disconnected.
12	2-GK18 (GY/VT) navigation system voice (-)	Less than 5 ohms between the navigation system module and the audio unit with the audio unit disconnected. Greater than 10,000 ohms between the navigation system module and ground with the audio unit disconnected.
13	31-GK8 (BK/RD) navigation system module ground	Less than 5 ohms to ground.
14	8-CF63 (WH/GN) vehicle speed signal	Less than 5 ohms between the anti-lock brake system module and the navigation system module with the anti-lock brake system module disconnected. Greater than 10,000 ohms between the navigation system module and ground with the anti-lock brake system module disconnected.
17	5-GK8 (BU/YE) controller area network (CAN) (-) communication	Less than 5 ohms between the navigation system module and the audio unit with the audio unit disconnected. Greater than 10,000 ohms between the navigation system module and ground with the audio unit disconnected.
19	9-MC8 (BN/RD) navigation microphone (-)	Less than 5 ohms between the navigation system module and the rear view mirror with the rear view mirror disconnected. Greater than 10,000 ohms between the navigation system module and ground with the rear view mirror disconnected.
21	10-GK25 (GY/OG) video circuit GREEN	Less than 5 ohms between the navigation system module and the audio unit with the audio unit disconnected. Greater than 10,000 ohms between the navigation system module and ground with the audio unit disconnected.
22	8-GK35 (WH) video synchronization circuit	Less than 5 ohms between the navigation system module and the audio unit with the audio unit disconnected. Greater than 10,000 ohms between the navigation system module and ground with the audio unit disconnected.