DTC B11DC:11 [BCM]

id0902f5414400

DESCRIPTION

Rear wiper switch circuit malfunction
DETECTION CONDITION
•  Short to ground in the rear wiper switch circuit with the rear wiper switch off.
POSSIBLE CAUSE
•  Wiper and washer switch connector or terminals malfunction
•  Rear wiper switch malfunction
•  BCM connector or terminals malfunction
•  Short to ground in wiring harness between the following terminals:
―  Wiper and washer switch left side:
•  Wiper and washer switch terminal D—BCM terminal 2L
•  Wiper and washer switch terminal H—BCM terminal 2K
―  Wiper and washer switch right side:
•  Wiper and washer switch terminal J—BCM terminal 2L
•  Wiper and washer switch terminal F—BCM terminal 2K
•  BCM malfunction

Diagnostic Procedure

STEP

INSPECTION

ACTION
1
CONFIRM BCM DTC
•  Clear the DTC using the M-MDS.
•  Perform the BCM DTC inspection using the M-MDS.
•  Is the same DTC present?
Yes
Go to the next step.
No
Go to Step 7.
2
INSPECT WIPER AND WASHER SWITCH CONNECTOR AND TERMINALS
•  Switch the ignition to off.
•  Disconnect the negative battery cable.
•  Disconnect the wiper and washer switch connector.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Is there any malfunction?
Yes
Repair or replace the connector or terminals, then go to Step 6.
No
Go to the next step.
3
INSPECT REAR WIPER SWITCH
•  Inspect the rear wiper switch.
•  Is there any malfunction?
Yes
Replace the wiper and washer switch, then go to Step 6.
(See WIPER AND WASHER SWITCH REMOVAL/INSTALLATION.)
No
Go to the next step.
4
INSPECT BCM CONNECTOR AND TERMINALS
•  Disconnect the BCM connector.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Is there any malfunction?
Yes
Repair or replace the connector or terminals, then go to Step 6.
No
Go to the next step.
5
INSPECT REAR WIPER SWITCH CIRCUIT FOR SHORT TO GROUND
•  Verify that the wiper and washer switch and BCM connectors are disconnected.
•  Inspect for continuity between the following terminals (wiring harness-side) and body ground:
―  Wiper and washer switch left side:
•  Wiper and washer switch terminal D
•  Wiper and washer switch terminal H
―  Wiper and washer switch right side:
•  Wiper and washer switch terminal J
•  Wiper and washer switch terminal F
•  Is there continuity?
Yes
Repair or replace the wiring harness for a possible short to ground, then go to the next step.
No
Go to the next step.
6
VERIFY TROUBLESHOOTING COMPLETED
•  Make sure to reconnect all disconnected connectors.
•  Reconnect the negative battery cable.
•  Clear the DTC using the M-MDS.
•  Perform the BCM DTC inspection using the M-MDS.
•  Is the same DTC present?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the BCM.
Go to the next step.
No
Go to the next step.
7
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [BCM].)
No
DTC troubleshooting completed.