DESCRIPTION
The stereo component amplifier assembly sends a sound signal to the speakers.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - SPEAKERS)
*1: for RH Side
*2: for LH Side
*3: for 14 Speakers
*4: for 9 Speakers
Disconnect the F74 stereo component amplifier assembly connector.
Disconnect the I1*1 and/or I10*2 front No. 1 speaker assembly connector.
Disconnect the F7*1 and/or F8*2 front No. 2 speaker assembly connector.
Disconnect the F6 front No. 4 speaker assembly connector.
Disconnect the J15*1 and/or J17*2 rear speaker set connector*4.
Disconnect the J2*1 and/or J9*2 rear No. 3 speaker connector*3.
Disconnect the S8*1 and/or S9*2 rear header speaker assembly connector*3.
Disconnect the L4 No. 1 woofer box speaker connector.*3
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
Disconnect the front No. 1 speaker assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
||||||
|
Result | Proceed to |
---|---|
OK (for 14 Speakers) | A |
OK (for 9 Speakers) | B |
NG | C |
B |
C |
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here |
A |
INSPECT FRONT NO. 2 SPEAKER ASSEMBLY
*A | for RH Side |
*B | for LH Side |
Disconnect the front No. 2 speaker assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||
|
NG |
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here |
OK |
CHECK FRONT NO. 3 SPEAKER ASSEMBLY
Temporarily replace the front No. 3 speaker assembly with a new or normally functioning one Click here.
Check for DTCs and check if the same DTCs is output Click here.
OK |
---|
No DTCs are output. |
NG |
OK |
END (FRONT NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE)
CHECK FRONT NO. 2 SPEAKER ASSEMBLY
Temporarily replace the front No. 2 speaker assembly with a new or normally functioning one Click here.
Check for DTCs and check if the same DTCs is output Click here.
OK |
---|
No DTCs are output. |
NG |
OK |
END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)
INSPECT FRONT NO. 3 SPEAKER ASSEMBLY
Disconnect the front No. 3 speaker assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
NG |
REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here |
OK |
CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER - FRONT NO. 3 SPEAKER)
*1: for RH Side
*2: for LH Side
Disconnect the F7*1 and/or F8*2 front No. 2 speaker assembly connector.
Disconnect the F13*1 and/or F14*2 front No. 3 speaker assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
INSPECT FRONT NO. 4 SPEAKER ASSEMBLY
Disconnect the front No. 4 speaker assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
||||||
|
NG |
REPLACE FRONT NO. 4 SPEAKER ASSEMBLY Click here |
OK |
INSPECT REAR SPEAKER SET
Disconnect the rear speaker set connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
||||||
|
||||||
|
Result | Proceed to |
---|---|
OK (for 14 Speakers) | A |
OK (for 9 Speakers) | B |
NG | C |
B |
REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here |
C |
REPLACE REAR SPEAKER SET Click here |
A |
CHECK HARNESS AND CONNECTOR (REAR NO. 3 SPEAKER - REAR SPEAKER SET)
*1: for RH Side
*2: for LH Side
Disconnect the J2*1 and/or J9*2 front No. 3 speaker assembly connector.
Disconnect the J18*1 and/or J19*2 rear speaker set connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
INSPECT REAR HEADER SPEAKER ASSEMBLY
*A | for RH Side |
*B | for LH Side |
Disconnect the rear header assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
||||||
|
NG |
REPLACE REAR HEADER SPEAKER ASSEMBLY Click here |
OK |
CHECK REAR NO. 3 SPEAKER ASSEMBLY
Temporarily replace the rear No. 3 speaker assembly with a new or normally functioning one Click here.
Check for DTCs and check if the same DTCs is output Click here.
OK |
---|
No DTCs are output. |
NG |
OK |
END (REAR NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE)
INSPECT NO. 1 WOOFER BOX SPEAKER ASSEMBLY
Disconnect the No. 1 woofer box speaker assembly speaker connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
||||||
|
NG |
REPLACE NO. 1 WOOFER BOX SPEAKER Click here |
OK |
REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here