Mazda CX-5 Service & Repair Manual: Blind Spot Monitoring (Bsm) Control Module Inspection
1. Disconnect the negative battery cable..
2. Remove the rear combination light..
3. Remove the rear bumper..
4. Connect the negative battery cable..
5. Verify that the voltages of each of the terminals are as indicated in the terminal voltage table (reference).
-
If the voltage is not as specified in the terminal voltage table (reference), inspect the parts under Inspection item(s).
-
If the system does not operate normally even though the inspection items are normal, replace the BSM control module (RH) or BSM control module (LH).
Terminal Voltage Table (Reference)
BSM control module (RH)
|
Terminal |
Signal name |
Connected to |
Measurement conditions |
Voltage (V) |
Inspection item(s) |
|
|
A |
Ground |
Body ground |
Under any condition |
1.0 or less |
|
|
|
B |
Power position (IG1) |
IG relay |
Ignition switched ON (Engine off or on) |
B+ |
|
|
|
Ignition switched off (LOCK) or ACC |
1.0 or less |
|||||
|
C |
— |
— |
— |
— |
— |
|
|
D |
BSM indicator light (RH) signal |
BSM indicator light (RH) |
Turn off BSM indicator light using BSM system simulation WRN_IND_R |
1.0 or less |
|
|
|
Turn on BSM indicator light using rear vehicle monitoring system simulation WRN_IND_R |
B+ |
|||||
|
E |
— |
— |
— |
— |
— |
|
|
F |
— |
— |
— |
— |
— |
|
|
G |
MS-CAN_L |
Related module |
Because this terminal is for communication, determination using terminal voltage inspection is not possible. |
|||
|
H |
MS-CAN_H |
Related module |
Because this terminal is for communication, determination using terminal voltage inspection is not possible. |
|||
BSM control module (LH)
|
Terminal |
Signal name |
Connected to |
Measurement conditions |
Voltage (V) |
Inspection item(s) |
|
|
A |
Ground |
Body ground |
Under any condition |
1.0 or less |
|
|
|
B |
Power position (1G1) |
IG relay |
Ignition switched ON (engine off or on) |
B+ |
|
|
|
Ignition switched off (LOCK) or ACC |
1.0 or less |
|||||
|
C |
— |
— |
— |
— |
— |
|
|
D |
BSM indicator light (LH) signal |
BSM indicator light (LH) |
Turn off BSM indicator light using BSM system simulation WRN_IND_L |
1.0 or less |
|
|
|
Turn on BSM indicator light using rear vehicle monitoring system simulation WRN_IND_L |
B+ |
|||||
|
E |
Ground |
Body ground |
Under any condition |
1.0 or less |
|
|
|
F |
— |
— |
— |
— |
— |
|
|
G |
MS-CAN_L |
Related module |
Because this terminal is for communication, determination using terminal voltage inspection is not possible. |
|||
|
H |
MS-CAN_H |
Related module |
Because this terminal is for communication, determination using terminal voltage inspection is not possible. |
|||
Blind Spot Monitoring (Bsm) Control Module
Purpose
Controls the blind spot monitoring (BSM) system.
Function
The BSM control module emits microwaves to detect an oncoming vehicle's position
and speed information via ...
Blind Spot Monitoring (Bsm) Control Module Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the rear combination light..
3. Remove the rear bumper..
4. Disconnect the connector.
5. Remove the nuts.
6. Remove the BSM control m ...
Other materials:
Rear Oil Seal Replacement
1. Remove the transaxle..
2. Remove the flywheel (MTX) or the drive plate (ATX)..
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
1
Rear oil seal
(See Rear Oil Seal Removal Note.)
(See Rear Oil Seal Installation Not ...
Keyless Antenna Removal/Installation
With Advanced Keyless Entry System
Vehicle interior, front
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Decoration panel.
b. Shift lever knob (MTX).
c. Front console box.
d. Shift panel.
e. Upper panel.
f. Rear console.
g. Side wall.
h. Front conso ...
Automatic Transaxle Warning Light [Fw6 A EL, Fw6 Ax EL]
Purpose/Function
The automatic transaxle warning light illuminates when the transaxle has
malfunction.
Construction
The automatic transaxle warning light is built into the instrument cluster.
Operation
If the transmission has a malfunction, the TCM sends an ...