Nissan Qashqai J11. Manual - part 934
PB-118
< DTC/CIRCUIT DIAGNOSIS >
U0140 BCM COMMUNICATION
U0140 BCM COMMUNICATION
DTC Description
INFOID:0000000010833703
DTC DETECTION LOGIC
POSSIBLE CAUSE
• BCM
• CAN communication line
• Electric parking brake control module
FAIL-SAFE
Automatic apply and release are prohibited.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF
and wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1.
Turn the ignition switch OFF to ON.
CAUTION:
Be sure to wait for 10 seconds after turning ignition switch OFF or ON.
2.
Push the parking brake switch.
CAUTION:
• Set the select lever in the P position.
• Depress the brake pedal.
3.
Pull the parking brake switch.
4.
Perform self-diagnosis for “EHS/PKB”.
Is DTC “U0140” detected?
YES
>> Proceed to
.
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010833704
1.
ERFORM SELF-DIAGNOSIS (1)
With CONSULT
Perform self-diagnosis for “BCM”.
Is DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 2.
2.
PERFORM SELF-DIAGNOSIS (2)
With CONSULT
1.
Turn the ignition switch OFF to ON.
CAUTION:
Be sure to wait for 10 seconds or more after turning the ignition switch OFF.
2.
Erase self-diagnosis result for “EHS/PKB”.
DTC
Display Item
(Trouble diagnosis content)
Malfunction detected condition
U0140
BCM
(BCM)
When CAN communication signal with BCM is not continuously received for 2 sec-
onds or more.