3
2
1
1
2
3
4
5
6
7
8
9
3
2
1
1
2
3
4
5
6
7
8
9
3
2
1
1
2
3
4
5
6
7
8
9
3
2
1
1
2
3
4
5
6
7
8
9
3
2
1
1
2
3
4
5
6
7
8
9
RANGE
HOLD
OFF
V
Hz
Hz
Hz
Hz
~
~
~
V
mV
Ω
Ω
)
)
)
)
)
mA
A
MIN MAX
400
mA
10A
COM
FUSED
V
!
600V CAT IV
1000V CAT III
88.88
Ω
DC
+-
RANGE
HOLD
OFF
V
Hz
Hz
Hz
Hz
~
~
~
V
mV
Ω
Ω
)
)
)
)
)
mA
A
MIN MAX
DC
Ω
400
mA
10A
COM
FUSED
V
!
600V CAT IV
1000V CAT III
00.00
Ω
Ω
COM
V
DC
01
02
03
04
05
06
P. 6/8
07
08
09
10
11
12
13
14
15
18
16
17
3
2
1
1
2
3
4
5
6
7
8
9
A
C
B
PROGRAMMING
EXTRAS
PREPARATION
INSTALLATION
Disconnect the module.
Press and hold for 3 seconds each steering
wheel button linked to the wire, 1 at a time.
When releasing button, look for a change of
resistance on the DMM.
Apply BLACK DMM probe tip to a first wire
with a PINK SWI label.
Apply RED DMM probe tip to a first wire with
a PINK SWI label.
When DMM displays a change of resistance
apply a BROWN SWI F label on the wire.
Apply RED DMM probe tip to a first wire of
the radio.
If there is a change of resistance: Go to
step
30
.
If there is NO change of resistance: Go to
next step.
Press and hold for 3 seconds, each
steering wheel button that is not already
linked, 1 at a time.
When releasing button, look for a change
of resistance on the DMM.
Press and hold for 3 seconds, each
steering wheel button linked to the wire, 1
at a time.
When releasing button, look for a change
of resistance on the DMM.
Locate external module (ex. Bluetooth or
navigation module).
Set DMM to OHMS.
Apply BLACK DMM probe tip to Ground(-).
Apply RED DMM probe tip to a first wire of
the external module connector.
External module Wiring (Identifying/Gathering information)
Repeat steps
04 through 08
until each
steering wheel button is linked to a signal
wire.
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Maestro Install Guide / Vehicles not currently covered
When DMM displays a change of resistance
apply a PINK SWI label on the wire.
Record in
section A
the color and location of
the signal wire.
(Wire with a PINK SWI label.)
Record in
section B
the color and location of
the feed wire.
(Wire with a BROWN SWI F label.)
Record in
section C
the names of steering
wheel buttons linked to the signal wire.
(Buttons that provided a change of
resistance when pressed and released).
