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:
Tie Rod End Replacement
1. Remove the snap pin.
2. Loosen the tie-rod end locknut.
3. Detach the tie-rod end from the steering knuckle using the SST.
4. Remove the tie-rod end locknut.
5. Place alignment marks as shown in the figure for proper installation.
6. Remove the tie-rod end.
7. Align th ...
Bsm Indicator Light Flashes While Not Under Bsm Indicator Light Flashing Conditions
(No Combination Switch Operation (Turn Signal Switch)) [Blind Spot Monitoring (Bsm)]
Description
BSM indicator light flashes while not under BSM indicator light-flashing
conditions (no combination switch operation (turn signal switch)
The BSM indicator light flashes despite not satisfying the BSM indicator
light flashing ...
Seat Track Position Sensor Removal/Installation [Two Step Deployment Control
System]
1. Switch the ignition to off.
2. Disconnect the negative battery cable and wait for 1min or more..
3. Remove the front driver’s seat..
4. Disconnect the connector from the seat track position sensor by pressing the
connector tab and pulling out the lock lever in the direction of the arro ...
