DTC B1514:86 [BODY CONTROL MODULE (BCM) (E)]


id0902r71120s3


L.H.D. (Without Emergency Call System) or R.H.D.


Outline

System malfunction location

Collision signal error

Detection condition
•  The door-electrical supply unit (passenger’s side) received error signal from SAS control module.
Fail-safe
Not applicable
Possible cause
•  DTCs are stored in the SAS control module.
•  SAS control module connector or terminal malfunction
•  Door-electrical supply unit (passenger’s side) connector or terminal malfunction
•  Short to ground in SAS control module signal circuit
•  Open circuit in SAS control module signal circuit
•  SAS control module malfunction
•  Door-electrical supply unit (passenger’s side) malfunction
•  Body control module (BCM) malfunction


Diagnostic Procedure

Step

Inspection

Results

Action

1
VERIFY BODY CONTROL MODULE (BCM) DTCs AGAIN
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the body control module (BCM).
•  Is the same Pending DTC present?
Yes
Go to the next step.
No
Go to repair completion verification 2.
2
INSPECT SAS CONTROL MODULE FOR MALFUNCTION
•  Perform the DTC inspection for the SAS control module.
•  Is a DTC displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
Go to the next step.
3
INSPECT SAS CONTROL MODULE CONNECTOR FOR MALFUNCTION
•  Inspect the applicable connector and terminal.
•  Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
4
INSPECT DOOR-ELECTRICAL SUPPLY UNIT (PASSENGER’S SIDE) CONNECTOR FOR MALFUNCTION
•  Inspect the applicable connector and terminal.
•  Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
5
INSPECT SAS CONTROL MODULE SIGNAL CIRCUIT FOR SHORT TO GROUND
•  Inspect the applicable circuit for a short to ground.
•  Is the circuit normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
6
INSPECT SAS CONTROL MODULE SIGNAL CIRCUIT FOR OPEN CIRCUIT
•  Inspect the applicable circuit for an open circuit.
•  Is the circuit normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
7
INSPECT SAS CONTROL MODULE FOR MALFUNCTION DEPENDING ON REPEATABILITY
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the body control module (BCM).
•  Is the same Pending DTC present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, replace the SAS control module and perform the repair completion verification.
No
Go to repair completion verification 2.
8
INSPECT DOOR-ELECTRICAL SUPPLY UNIT (PASSENGER’S SIDE) FOR MALFUNCTION DEPENDING ON REPEATABILITY
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the body control module (BCM).
•  Is the same Pending DTC present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, replace the door-electrical supply unit (passenger’s side) and perform the repair completion verification.
No
Go to repair completion verification 2.
Repair completion verification 1
VERIFY THAT VEHICLE IS REPAIRED
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the body control module (BCM).
•  Is the same Pending DTC present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, perform the diagnosis from Step 1.
•  If the malfunction recurs, replace the body control module (BCM), then go to the next step.
No
Go to the next step.
Repair completion verification 2
VERIFY IF OTHER DTC IS DISPLAYED
•  Perform the DTC inspection.
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.


L.H.D. (With Emergency Call System)


Outline

System malfunction location

Collision signal error

Detection condition
•  The door-electrical supply unit (passenger’s side) received error signal from emergency call unit.
Fail-safe
Not applicable
Possible cause
•  DTCs are stored in the emergency call unit.
•  Emergency call unit connector or terminal malfunction
•  Door-electrical supply unit (passenger’s side) connector or terminal malfunction
•  Short to ground in emergency call unit signal circuit
•  Open circuit in emergency call unit signal circuit
•  Emergency call unit malfunction
•  Door-electrical supply unit (passenger’s side) malfunction
•  Body control module (BCM) malfunction


Diagnostic Procedure

Step

Inspection

Results

Action

1
VERIFY BODY CONTROL MODULE (BCM) DTCs AGAIN
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the body control module (BCM).
•  Is the same Pending DTC present?
Yes
Go to the next step.
No
Go to repair completion verification 2.
2
INSPECT EMERGENCY CALL UNIT FOR MALFUNCTION
•  Perform the DTC inspection for the emergency call unit.
•  Is a DTC displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
Go to the next step.
3
INSPECT EMERGENCY CALL UNIT CONNECTOR FOR MALFUNCTION
•  Inspect the applicable connector and terminal.
•  Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
4
INSPECT DOOR-ELECTRICAL SUPPLY UNIT (PASSENGER’S SIDE) CONNECTOR FOR MALFUNCTION
•  Inspect the applicable connector and terminal.
•  Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
5
INSPECT EMERGENCY CALL UNIT SIGNAL CIRCUIT FOR SHORT TO GROUND
•  Inspect the applicable circuit for a short to ground.
•  Is the circuit normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
6
INSPECT EMERGENCY CALL UNIT SIGNAL CIRCUIT FOR OPEN CIRCUIT
•  Inspect the applicable circuit for an open circuit.
•  Is the circuit normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
7
INSPECT EMERGENCY CALL UNIT FOR MALFUNCTION DEPENDING ON REPEATABILITY
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the body control module (BCM).
•  Is the same Pending DTC present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, replace the emergency call unit and perform the repair completion verification.
No
Go to repair completion verification 2.
8
INSPECT DOOR-ELECTRICAL SUPPLY UNIT (PASSENGER’S SIDE) FOR MALFUNCTION DEPENDING ON REPEATABILITY
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the body control module (BCM).
•  Is the same Pending DTC present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, replace the door-electrical supply unit (passenger’s side) and perform the repair completion verification.
No
Go to repair completion verification 2.
Repair completion verification 1
VERIFY THAT VEHICLE IS REPAIRED
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the body control module (BCM).
•  Is the same Pending DTC present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, perform the diagnosis from Step 1.
•  If the malfunction recurs, replace the body control module (BCM), then go to the next step.
No
Go to the next step.
Repair completion verification 2
VERIFY IF OTHER DTC IS DISPLAYED
•  Perform the DTC inspection.
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.