Door Speakers; Headrest Speakers; Connector Terminal Specifications - Mazda MX-5 1990 Workshop Manual

T
DOOR SPEAKER
05UOTX-270
HEADREST SPEAKER
05UOTX-465
AUDIO
INSPECTION
Door Speakers
1. Disconnect the connector from the suspected faulty speaker.
2. Measure resistance between terminals of the speaker.
Resistance: 40
3. If not as specified, replace the speaker.
Headrest Speakers
1. Disconnect the headrest speaker connector.
2. Measure resistance between terminals of the headrest
speaker connector as shown.
Resistance
40
3. If not as specified, replace the speaker.
CONNECTOR TERMINAL SPECIFICATIONS
•
Component
Audio unit
Compact disc
player
T-128
Connector Terminal
a : Headrest speaker left ® f
b : Headrest speaker left 8 h:
c : NC i
d; NC
j
a: ACC
h:
b; NC
j
c : +8 k:
d: NC
I
e : TNS
m:
(for illumination lamps) n:
f : NC
1 ; Left signal
8:
2 : Left signal
9:
3 : Right signal 10 :
4 : Right signal 11 ;
5 : Signal ground
12 :
6 : Illumination signal 13 :
7: ACC
1 : Left signal 8:
2 : Left signal 9:
3 : Right signal 10 :
4 :
Right signal
11 :
5 : Signal ground 12 :
6 : Illumination signal
13 :
7: ACC
Headrest speaker right
(!)
Headrest speaker right
8
NC
NC
NC
NC
Door speaker left
<B
Door speaker left 8
Door speaker right ®
Door speaker right
e
+8
Amp control signal
NC
NC
NC
NC
+B
Amp control signal
NC
NC
NC
NC
05UOTX-271