Nissan Qashqai J11. Manual — part 964

C1121, C1123, C1125, C1127 ABS OUT VALVE SYSTEM

BRC-93

< DTC/CIRCUIT DIAGNOSIS >

[WITH ESP]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

Is the inspection result normal?

YES

>> Replace ABS actuator and electric unit (control unit). Refer to

BRC-142, "Removal and Installa-

tion"

.

NO

>> Repair or replace malfunctioning components.

ABS actuator and electric unit (control unit)

—

Continuity

Connector

Terminal

E18

13

Ground

Yes

38

BRC-94

< DTC/CIRCUIT DIAGNOSIS >

[WITH ESP]

C1130 ENGINE SIGNAL

C1130 ENGINE SIGNAL

DTC Logic

INFOID:0000000010329831

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

1.

Turn ignition switch OFF to ON.

2.

Perform self-diagnostic result.

Is DTC C1130 detected?

YES

>> Proceed to diagnosis procedure. Refer to

BRC-94, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010329832

1.

CHECK SELF-DIAGNOSTIC RESULT FOR ENGINE SYSTEM

With CONSULT.

Perform self-diagnostic result. Refer to

ECH-47, "CONSULT Function"

.

Are any ECM DTCs detected?

YES

>> Refer to

ECH-71, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK SELF-DIAGNOSTIC RESULT FOR ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

With CONSULT.

1.

Perform self-diagnostic result and erase DTCs.

2.

Turn ignition switch OFF.

3.

Start engine and drive vehicle for a short period of time.

4.

Check that malfunction indicator lamp (MIL) turns OFF.

5.

Stop vehicle and perform self-diagnostic result.

Is DTC C1130 detected?

YES

>> Perform more detailed analysis of engine control.

NO

>> Check pin terminals and connection of connectors for abnormal conditions. Repair or replace mal-

functioning components.

DTC

Display Item

Malfunction detected condition

Possible causes

C1130

ENGINE SIGNAL 1

When a malfunction is detected in ECM system.

• ECM
• ABS actuator and electric unit

(control unit)

• CAN communication line

C1140 ACTUATOR RELAY SYSTEM

BRC-95

< DTC/CIRCUIT DIAGNOSIS >

[WITH ESP]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

C1140 ACTUATOR RELAY SYSTEM

DTC Logic

INFOID:0000000010329833

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

1.

Turn ignition switch OFF to ON.

2.

Perform self-diagnostic result.

Is DTC C1140 detected?

YES

>> Proceed to diagnosis procedure. Refer to

BRC-95, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010329834

Regarding Wiring Diagram information, refer to

BRC-55, "Wiring Diagram"

.

1.

CONNECTOR INSPECTION

1.

Turn ignition switch OFF.

2.

Disconnect ABS actuator and electric unit (control unit) connectors.

3.

Check connectors and terminals for deformation, disconnection, looseness or damage.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace as necessary.

2.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) BATTERY POWER SUPPLY

Check voltage between ABS actuator and electric unit (control unit) connector E18 terminals 1, 25 and
ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace malfunctioning components.

3.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT

Check continuity between ABS actuator and electric unit (control unit) connector E18 terminals 13, 38 and
ground.

DTC

Display Item

Malfunction detected condition

Possible causes

C1140

ACTUATOR RLY

When a malfunction is detected in actuator relay.

• Harness or connector
• ABS actuator and electric unit

(control unit)

• Fusible link
• Battery power supply system

ABS actuator and electric unit (control unit)

—

Voltage

(Approx.)

Connector

Terminal

E18

1

Ground

Battery voltage

25

BRC-96

< DTC/CIRCUIT DIAGNOSIS >

[WITH ESP]

C1140 ACTUATOR RELAY SYSTEM

Is the inspection result normal?

YES

>> Replace ABS actuator and electric unit (control unit). Refer to

BRC-142, "Removal and Installa-

tion"

.

NO

>> Repair or replace malfunctioning components.

ABS actuator and electric unit (control unit)

—

Continuity

Connector

Terminal

E18

13

Ground

Yes

38