Honda Civic. Manual — part 124

and the ignition system.

NO -Go to step 6.

6. Turn the ignition switch to LOCK (0).
7. Wrap aluminum foil (A) around the tip of a tester probe (B) as shown.

Fig. 25: Identifying Wrap Aluminum Foil And Tip Of Tester Probe
Courtesy of AMERICAN HONDA MOTOR CO., INC.

8. Check for continuity by touching one tester probe to the window antenna

terminal (A), and move the other tester probe along the antenna wires.

Fig. 26: Checking Continuity By Touching Tester Probe To Window
Antenna Terminal
Courtesy of AMERICAN HONDA MOTOR CO., INC.

2008 Honda Civic LX

2006-08 ACCESSORIES & EQUIPMENT Audio System - Civic (Except Hybrid)

Is there continuity in all sections of the antenna?

YES -Go to step 9.

NO -Repair the window antenna wire. Go to AM/FM ANTENNA REPAIR .

9. Remove the navigation unit (see NAVIGATION UNIT

REMOVAL/INSTALLATION ). Check that the antenna lead is properly
connected.

Is it connected properly?

YES -Go to step 10.

NO -Reconnect the connector, and recheck the function.

10. Disconnect the AM/FM antenna lead 3P connector from the AM/FM antenna

amplifier (see AM/FM ANTENNA AMPLIFIER REPLACEMENT).

11. Turn the ignition switch to ON (II).
12. Turn on the navigation unit.
13. Measure the voltage between the AM/FM antenna lead connector No. 3

terminal at the AM/FM antenna amplifier and body ground.

Fig. 27: Measuring Voltage Between AM/FM Antenna Lead Connector
Terminal At AM/FM Antenna Amplifier And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

2008 Honda Civic LX

2006-08 ACCESSORIES & EQUIPMENT Audio System - Civic (Except Hybrid)

YES -Go to step 18.

NO -Go to step 14.

14. Turn the ignition switch to LOCK (0).
15. Disconnect navigation unit connector G (3P).
16. Check for continuity between the AM/FM antenna amplifier connector (3P)

No. 3 terminal and body ground.

Fig. 28: Checking Continuity Between AM/FM Antenna Amplifier
Connector Terminal 3P And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair short to body ground in the wire between the navigation unit and
the AM/FM antenna amplifier.

NO -Go to step 17.

17. Check for continuity between navigation unit connector G (3P) No. 3 terminal

and the AM/FM antenna amplifier 3P connector No. 3 terminal.

2008 Honda Civic LX

2006-08 ACCESSORIES & EQUIPMENT Audio System - Civic (Except Hybrid)

Fig. 29: Checking Continuity Between Navigation Unit Connector
Terminal And AM/FM Antenna Amplifier 3P Connector Terminal
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Substitute a known-good navigation unit, and recheck.

NO -Repair open in the wire between the navigation unit and the AM/FM
antenna amplifier.

18. Turn the ignition switch to LOCK (0).
19. Disconnect navigation unit connector G (3P).
20. Check for continuity between navigation unit connector G (3P) No. 1 terminal

and body ground.

Fig. 30: Checking Continuity Between Navigation Unit G (3P) Connector
Terminal And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

2008 Honda Civic LX

2006-08 ACCESSORIES & EQUIPMENT Audio System - Civic (Except Hybrid)