Honda Civic. Manual — part 133

Fig. 67: Checking Continuity Between Stereo Amplifier B (14P) Connector
Terminals And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 33.

NO -Repair open in the wire between the navigation unit and stereo amplifier.

33. Check for continuity between stereo amplifier connector B (14P) and body

ground according to the table. Then check for continuity between the same
terminals listed in the table and stereo amplifier connector B (14P) No. 9
terminal (the harness shield).

AMPLIFIER CONNECTOR REFERENCE

Fig. 68: Checking Continuity Between Stereo Amplifier B (14P) Connector
Terminals And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Amplifier connector Wire color

B3

BLK

B10

WHT

2008 Honda Civic LX

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

Is there continuity?

YES -Repair short in the wire between the stereo amplifier and the navigation
unit. Replace the appropriate shielded harness.

NO -Go to step 34.

34. Check for continuity between navigation unit connector A and stereo amplifier

connector B according to the table.

NAVIGATION UNIT CONNECTOR AND AMPLIFIER CONNECTOR
REFERENCE

Fig. 69: Checking Continuity Between Navigation Unit A (17P) Connector
Terminals And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 70: Checking Continuity Between Stereo Amplifier B (14P) Connector
Terminals And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Navigation unit connector Amplifier connector Wire color

A2

B10

WHT

A11

B3

BLK

2008 Honda Civic LX

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

Is there continuity?

YES -Go to step 35.

NO -Repair open in the wire between the navigation unit and stereo amplifier.

35. Check for continuity between stereo amplifier connector B (14P) and body

ground according to the table. Then check for continuity between the same
terminals listed in the table and stereo amplifier connector B (14P) No. 12
terminal (the harness shield).

AMPLIFIER CONNECTOR REFERENCE

Fig. 71: Checking Continuity Between Stereo Amplifier B (14P) Connector
Terminals And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair short in the wire between the stereo amplifier and the navigation
unit. Replace the appropriate shielded harness.

NO -Go to step 36.

36. Check for continuity between navigation unit connector A and stereo amplifier

connector B according to the table.

NAVIGATION UNIT CONNECTOR AND AMPLIFIER CONNECTOR

Amplifier connector Wire color

B6

LT GRN

B13

PUR

2008 Honda Civic LX

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

REFERENCE

Fig. 72: Checking Continuity Between Navigation Unit A (17P) Connector
Terminals And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 73: Checking Continuity Between Stereo Amplifier B (14P) Connector
Terminals And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Substitute a known-good navigation unit and recheck. If the
symptom/indication goes away, replace the original navigation unit. If the
symptom is still present, substitute a known-good stereo amplifier and recheck.
If the symptom/indication goes away, replace the original stereo amplifier (see
STEREO AMPLIFIER REMOVAL/INSTALLATION).

NO -Repair open in the wire between the navigation unit and stereo amplifier.

NO SOUND IS HEARD FROM SPEAKER(S) (DISPLAY IS NORMAL) (WITHOUT NAVIGATION)

Navigation unit connector Amplifier connector Wire color

A8

B13

PUR

A16

B6

LT GRN

2008 Honda Civic LX

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