Infiniti QX56 (Z62). Manual - part 155

C1160 DECEL G SEN SET

BRC-105

< DTC/CIRCUIT DIAGNOSIS >

[WITH VDC]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

C1160 DECEL G SEN SET

DTC Logic

INFOID:0000000006222628

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK DTC DETECTION

With CONSULT-III.

1.

Turn the ignition switch OFF to ON.

2.

Perform self-diagnosis for “ABS”.

Is DTC “C1160” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-105, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006222629

1.

DECEL G SENSOR CALIBRATION

Perform decel G sensor calibration. Refer to 

BRC-66, "Work Procedure"

.

>> GO TO 2.

2.

CHECK ABS SCTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

With CONSULT-III.

Perform self-diagnosis for “ABS”.
Is DTC “C1160” detected?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

CHECK YAW RATE/SIDE/DECEL G SENSOR SYSTEM

1.

Turn the ignition switch OFF.

2.

Check yaw rate/side/decel G sensor system. Refer to 

BRC-100, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

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

BRC-137, "Removal and Installa-

tion"

.

NO

>> Repair or replace error-detected parts.

DTC

Display Item

Malfunction detected condition

Possible causes

C1160

DECEL G SEN SET

When calibration of yaw rate/side/decal G sensor is 
not complete.

• Yaw rate/side/decel G sensor
• Harness or connector
• ABS actuator and electric unit 

(control unit)

• Decel G sensor calibration is 

not performed

BRC-106

< DTC/CIRCUIT DIAGNOSIS >

[WITH VDC]

C1164, C1165 CV SYSTEM

C1164, C1165 CV SYSTEM

DTC Logic

INFOID:0000000006222630

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK DTC DETECTION

With CONSULT-III.

1.

Turn the ignition switch OFF to ON.

2.

Perform self-diagnosis for “ABS”.

Is DTC “C1164” or “C1165” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-106, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006222631

1.

CHECK CUT VALVE POWER SUPPLY

1.

Turn the ignition switch OFF.

2.

Disconnect ABS actuator and electric unit (control unit) harness connector.

3.

Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.

4.

Turn the ignition switch ON.

CAUTION:

Never start engine.

5.

Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK CUT VALVE POWER SUPPLY CIRCUIT

1.

Turn the ignition switch OFF.

2.

Check 30A fusible link (L).

3.

Check continuity and short circuit between ABS actuator and electric unit (control unit) harness connector
terminal (1) and 30A fusible link (L).

Is the inspection result normal?

YES

>> Perform trouble diagnosis for battery power supply. Refer to 

PG-11, "Wiring Diagram - BATTERY

POWER SUPPLY -"

.

NO

>> Repair or replace error-detected parts.

3.

CHECK CUT VALVE GROUND CIRCUIT

DTC

Display Item

Malfunction detected condition

Possible causes

C1164

CV 1

When a malfunction is detected in cut valve 1.

• Harness or connector
• ABS actuator and electric unit 

(control unit)

• Fusible link
• Battery power supply system

C1165

CV 2

When a malfunction is detected in cut valve 2.

ABS actuator and electric unit (control unit)

—

Voltage

Connector

Terminal

E36

1

Ground

Battery voltage

ABS actuator and electric unit (control unit)

—

Voltage

Connector

Terminal

E36

1

Ground

Battery voltage

C1164, C1165 CV SYSTEM

BRC-107

< DTC/CIRCUIT DIAGNOSIS >

[WITH VDC]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

1.

Turn the ignition switch OFF.

2.

Check continuity between ABS actuator and electric unit (control unit) harness connector and the ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK TERMINAL

Check ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with harness
connector.
Is the inspection result normal?

YES

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

BRC-137, "Removal and Installa-

tion"

.

NO

>> Repair or replace error-detected parts.

ABS actuator and electric unit (control unit)

—

Continuity

Connector

Terminal

E36

2

Ground

Existed

3

E37

48

BRC-108

< DTC/CIRCUIT DIAGNOSIS >

[WITH VDC]

C1166, C1167 SV SYSTEM

C1166, C1167 SV SYSTEM

DTC Logic

INFOID:0000000006222632

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK DTC DETECTION

With CONSULT-III.

1.

Turn the ignition switch OFF to ON.

2.

Perform self-diagnosis for “ABS”.

Is DTC “C1166” or “C1167” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

BRC-108, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006222633

1.

CHECK SUCTION VALVE POWER SUPPLY

1.

Turn the ignition switch OFF.

2.

Disconnect ABS actuator and electric unit (control unit) harness connector.

3.

Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.

4.

Turn the ignition switch ON.

CAUTION:

Never start engine.

5.

Check voltage between ABS actuator and electric unit (control unit) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK SUCTION VALVE POWER SUPPLY CIRCUIT

1.

Turn the ignition switch OFF.

2.

Check 30A fusible link (L).

3.

Check continuity and short circuit between ABS actuator and electric unit (control unit) harness connector
terminal (1) and 30A fusible link (L).

Is the inspection result normal?

YES

>> Perform trouble diagnosis for battery power supply. Refer to 

PG-11, "Wiring Diagram - BATTERY

POWER SUPPLY -"

.

NO

>> Repair or replace error-detected parts.

3.

CHECK SUCTION VALVE GROUND CIRCUIT

DTC

Display Item

Malfunction detected condition

Possible causes

C1166

SV 1

When a malfunction is detected in suction valve 1.

• Harness or connector
• ABS actuator and electric unit 

(control unit)

• Fusible link
• Battery power supply system

C1167

SV 2

When a malfunction is detected in suction valve 2.

ABS actuator and electric unit (control unit)

—

Voltage

Connector

Terminal

E36

1

Ground

Battery voltage

ABS actuator and electric unit (control unit)

—

Voltage

Connector

Terminal

E36

1

Ground

Battery voltage