Nissan Qashqai J11. Manual - part 933

PB-114

< DTC/CIRCUIT DIAGNOSIS >

U0111 IPDM E/R COMMUNICATION

U0111 IPDM E/R COMMUNICATION

DTC Description

INFOID:0000000010833699

DTC DETECTION LOGIC

POSSIBLE CAUSE

• IPDM E/R
• 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 “U0111” detected?

YES

>> Proceed to 

PB-114, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010833700

1.

ERFORM SELF-DIAGNOSIS (1)

With CONSULT

Perform self-diagnosis for “IPDM E/R”.

Is DTC detected?

YES

>> Check the DTC. Refer to 

PCS-37, "DTC Index"

.

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.

DTC

Display Item

(Trouble diagnosis content)

Malfunction detected condition

U0111

BATTERY ENERGY CONTROL 
MODULE A
(BATTERY ENERGY CONTROL 
MODULE A)

When CAN communication signal with IPDM E/R is not continuously received for 2 
seconds or more.

U0111 IPDM E/R COMMUNICATION

PB-115

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

G

H

I

J

K

L

M

A

B

PB

N

O

P

2.

Erase self-diagnosis result for “EHS/PKB”.

3.

Repeat the parking brake switch operation (pull and push) five times.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0111”, “U1000” detected?

YES (“U0111”)>>Replace the electric parking brake control module. Refer to 

PB-141, "Removal and Installa-

tion"

.

YES (“U1000”)>>Proceed to 

LAN-28, "Trouble Diagnosis Flow Chart"

.

NO

>> INSPECTION END

PB-116

< DTC/CIRCUIT DIAGNOSIS >

U0129 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) COMMUNICA-

TION

U0129 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) COMMU-
NICATION

DTC Description

INFOID:0000000010833701

DTC DETECTION LOGIC

POSSIBLE CAUSE

• ABS actuator and electric unit (control unit)
• CAN communication line
• Electric parking brake control module

FAIL-SAFE

• Automatic apply and release are prohibited.
• Brake force is degraded.

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 “U0129” detected?

YES

>> Proceed to 

PB-116, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010833702

1.

ERFORM SELF-DIAGNOSIS (1)

With CONSULT

Perform self-diagnosis for “ABS”.
Is DTC detected?

YES

>> Check the DTC. Refer to 

BRC-54, "DTC Index"

.

NO

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS (2)

With CONSULT

DTC

Display Item

(Trouble diagnosis content)

Malfunction detected condition

U0129

BRAKE SYSTEM CONTROL 
MODULE
(BRAKE SYSTEM CONTROL 
MODULE)

When CAN communication signal with ABS actuator and electric unit (control unit) is 
not continuously received for 2 seconds or more.

U0129 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) COMMUNICA-

TION

PB-117

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

G

H

I

J

K

L

M

A

B

PB

N

O

P

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”.

3.

Repeat the parking brake switch operation (pull and push) five times.

4.

Perform self-diagnosis for “EHS/PKB”.

Is DTC “U0129”, “U1000” detected?

YES (“U0129”)>>Replace the electric parking brake control module. Refer to 

PB-141, "Removal and Installa-

tion"

.

YES (“U1000”)>>Proceed to 

LAN-28, "Trouble Diagnosis Flow Chart"

.

NO

>> INSPECTION END