Honda Civic. Manual — part 127
NO -Go to step 22.
22. Check for continuity between audio unit connector G (3P) No. 2 terminal and
the AM/FM antenna amplifier 3P connector No. 2 terminal.
Fig. 41: Checking Continuity Between Audio Unit G (3P) Connector
Terminal And AM/FM Antenna Amplifier 3P Connector Terminal
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Replace the antenna lead and/or sublead.
NO -Go to step 23.
23. Check for continuity between audio unit connector G (3P) No. 1 terminal and
the AM/FM antenna amplifier 3P connector No. 1 terminal.
Fig. 42: Checking Continuity Between Audio Unit G (3P) Connector
2008 Honda Civic LX
2006-08 ACCESSORIES & EQUIPMENT Audio System - Civic (Except Hybrid)
Terminal And AM/FM Antenna Amplifier 3P Connector Terminal
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Replace the AM/FM antenna amplifier, and recheck. If the reception is
still poor, replace the audio unit (see AUDIO UNIT
REMOVAL/INSTALLATION).
NO -Replace the antenna lead and/or sublead.
AUDIO UNIT POWER SWITCH WILL NOT TURN ON (NO INFORMATION DISPLAY AND NO
SOUND) (WITH NAVIGATION)
1. Turn the ignition switch to ON (II).
2. Push the power switch ON to see if the navigation unit turns ON.
Does the navigation unit display operate properly, and does the audio sound
normal?
YES -Intermittent failure, the system is OK at this time.
NO -Go to step 3.
3. Turn the ignition switch to LOCK (0).
4. Check the No. 23 (10 A) fuse in the under-hood fuse/relay box and No. 35 (7.5
A) fuse in the under-dash fuse/relay box.
Are the fuses OK?
YES -Go to step 5.
NO -Replace the fuse(s), and recheck.
NOTE:
Check the vehicle battery condition first.
Check the connectors for poor connections or loose
terminals.
2008 Honda Civic LX
2006-08 ACCESSORIES & EQUIPMENT Audio System - Civic (Except Hybrid)
5. Remove the navigation unit (see NAVIGATION UNIT
REMOVAL/INSTALLATION ). Check that the navigation unit is properly
connected.
Is it connected properly?
YES -Go to step 6.
NO -Reconnect the connector, and recheck the function.
6. Turn the ignition switch to ON (II).
7. Measure the voltage between body ground and navigation unit connector A
(17P) terminals No. 14 and No. 17 individually.
Fig. 43: Measuring Voltage Between Navigation Unit A (17P) Connector
Terminals And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage on both terminals?
YES -Go to step 8.
NO -Repair open in the wire(s) between the No. 23 (10 A) fuse in the under-
hood fuse/relay box and No. 35 (7.5 A) in the under-dash fuse/relay box and
the audio unit.
NOTE:
Eject all the discs before removing the navigation unit
to prevent damaging the CD player's load mechanism.
2008 Honda Civic LX
2006-08 ACCESSORIES & EQUIPMENT Audio System - Civic (Except Hybrid)
8. Turn the ignition switch to LOCK (0).
9. Turn the ignition switch to ON (II).
10. Measure the voltage between navigation unit connector A (17P) No. 9 terminal
and body ground, and navigation unit connector B (22P) No. 15 terminal and
body ground.
Fig. 44: Measuring Voltage Between Navigation Unit A (17P) Connector
Terminal And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig. 45: Measuring Voltage Between Navigation Unit B (22P) Connector
Terminal And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there less than 0.1 V on both terminals?
YES -Replace the navigation unit (see NAVIGATION UNIT
REMOVAL/INSTALLATION ).
NO -Repair open in the wire between navigation unit connector A (17P) No.
2008 Honda Civic LX
2006-08 ACCESSORIES & EQUIPMENT Audio System - Civic (Except Hybrid)
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