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
A
Ω
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
C
Ω
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
19
20
23
24
21
22
25
26
27
28
29
30
31
32
33
34
35
36
P. 7/8
A
Ω
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
Ω
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
PROGRAMMING
EXTRAS
PREPARATION
INSTALLATION
External module Wiring (Identifying/Gathering information)
WWW.IDATALINK.COM/SUPPORT
Automotive Data Solutions Inc. © 2012
Maestro Install Guide / Vehicles not currently covered
Repeat steps
30 through 32
for every
signal wire (with a PINK SWI tag.)
Repeat steps
14 through 18
for every
signal wire (with a PINK SWI tag.)
Apply RED DMM probe tip to first signal
wire (PINK label).
Apply BLACK DMM probe tip to Ground(-).
Measure resistance value between ground
and signal wire.
Record resistance at idle value in
section
A
.
One at a time, press and hold each
steering wheel button linked to that signal
wire.
Apply RED DMM probe tip to first signal
wire (PINK label).
Apply BLACK DMM probe tip to Ground(-).
Go to step
35
in
Radio wiring
(Identifying/Gathering Information)
section.
For each button, measure resistance value.
(Wait for a stable reading.)
Measure resistance value between feed
wire and signal wire.
Record resistance at idle value in
section A
.
For each button, measure resistance value.
(Wait for a stable reading.)
For each button, record resistance value in
section C
.
Apply RED DMM probe tip to first signal wire
(PINK label).
Apply BLACK DMM probe tip to linked feed
wire (BROWN label).
One at a time, press and hold each steering
wheel button linked to that signal wire.
Apply RED DMM probe tip to first signal wire
(PINK label).
Apply BLACK DMM probe tip to linked feed
wire (BROWN label).
Repeat steps
20 through 22
for each signal
wire.
Repeat steps
24 through 27
for each signal
wire.
