Fig. 18: Identifying BSM Control Module Short Wiring Harness Connector Terminals
Courtesy of MAZDA MOTORS CORP.
VOLTAGE SPECIFICATION
Terminal
Signal
Connected
to
Measurement condition
Voltage (V)/
Continuity
Inspection item (s)
A
BCM GND Body ground Under any condition
1.0 or less
z
Related
wiring
harnesses
B
BSM
indicator
light signal
BSM
indicator
light
Ignition switch is in ON
position and BSM indicator
light is illuminated
B+
z
BSM
indicator
light
z
Related
wiring
harnesses
BSM indicator light is not
illuminated
1.0 or less
C
-
-
-
-
-
D
(1)
BSM OFF
switch signal
BSM OFF
switch
Ignition
switch at ON
BSM OFF
switch is pressed 1.0 or less
z
BSM OFF
switch
z
Related
wiring
harnesses
BSM OFF
switch is not
pressed
B+
D
(2)
-
-
-
-
-
E
-
-
-
-
-
F
CAN_L
-
Because this terminal is for communication,
good/no good judgment by terminal voltage is
not possible.
z
Related
wiring
harnesses
G
Power
supply
fuse
Ignition switch at ON
B+
z
fuse
z
Related
wiring
harnesses
Ignition switch off
1.0 or less
H
CAN_H
-
Because this terminal is for communication,
good/no good judgment by terminal voltage is
not possible.
z
Related
wiring
harnesses
(1)
BSM control module (RH) only
2008 Mazda CX-9 Grand Touring
2008 BODY & ACCESSORIES Instrumentation/Driver Info - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:42:27 AM
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