Honda Civic. Manual — part 135

Fig. 76: Measuring Voltage Between Stereo Amplifier A (20P) Connector
Terminal And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Go to step 13.

NO -

'06 model: Repair open in the wire between No. 5 (15 A) fuse in the
under-dash fuse/relay box and stereo amplifier connector A (20P) No. 10
terminal.

'07-08 models: Repair open in the wire between No. 17 (15 A) fuse in the
under-hood fuse/relay box and stereo amplifier connector A (20P) No. 10
terminal.

13. Turn the ignition switch to ON (II).
14. Measure the voltage between stereo amplifier connector A (20P) No. 9

terminal and body ground.

2008 Honda Civic LX

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

Fig. 77: Measuring Voltage Between Stereo Amplifier A (20P) Connector
Terminal And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Go to step 15.

NO -Repair open in the wire between No. 35 (7.5 A) fuse in the under-dash
fuse/relay box and stereo amplifier connector A (20P) No. 9 terminal.

15. Measure the voltage between stereo amplifier connector B (14P) No. 7

terminal and body ground.

Fig. 78: Measuring Voltage Between Stereo Amplifier B (14P) Connector
Terminal And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Go to step 16.

NO -Repair open in the wire between the stereo amplifier connector B (14P)
No. 7 terminal and audio unit connector B (20P) No. 16 terminal.

16. Measure the voltage between stereo amplifier connector A (20P) No. 20

terminal and body ground, and between stereo amplifier connector B (14P) No.
14 terminal and body ground.

'06-08 models

2008 Honda Civic LX

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

Fig. 79: Measuring Voltage Between Stereo Amplifier A (20P) Connector
Terminal And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

'06 model

Fig. 80: Measuring Voltage Between Stereo Amplifier B (14P) Connector
Terminal And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there less than 0.1 V on both terminals?

YES -Go to step 17.

NO -Repair open in the wire between stereo amplifier connector A (20P) No.
20 terminal or connector B (14P) No. 14 terminal and body ground, 2-door
model (G505), 4-door model (G601).

17. Turn the ignition switch to LOCK (0).
18. Disconnect stereo amplifier connector A (20P).

2008 Honda Civic LX

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

19. Measure the resistance between the following terminals of stereo amplifier

connector A (20P) according to the table.

SPEAKER TERMINALS REFERENCE

Fig. 81: Measuring Voltage Between Stereo Amplifier A (20P) Connector
Terminal And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there about 4 ohms?

YES -Go to step 20.

Speaker

Terminal Wire color

Driver's door speaker

A3 (+)

LT GRN

A13 (-)

PNK

Left tweeter

A4 (+)

RED

A14 (-)

GRIM

Front passenger's door speaker

A2 (+)

GRY

A12 (-)

BRN

Right tweeter

A1 (+)

PNK

A11 (-)

BLU

Left rear speaker

A8 (+)

YEL

A18 (-)

BRN

Right rear speaker

A7 (+)

BLU

A17 (-)

ORN

Subwoofer

A5 (+)

GRN

A15 (-)

RED

2008 Honda Civic LX

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