Infiniti I35 (A33). Manual - part 134

Self-Diagnostic item

Malfunction detecting condition

Check route

YAW RATE SENOR

Yaw rate sensor is abnormal, or the yaw rate sensor signal line
is open or shorted.

Yaw rate/transverse accel-
eration sensor and circuit.
Refer to Inspection 6 Yaw
Rate/Side G and the Cir-
cuit between Yaw Rate/
Side G and VDC/TCS/ABS
Control Unit, BR-141.

FR LH IN ABS SOL

Circuit of the front LH inlet solenoid valve is open or shorted, or
the control line is open or shorted to the power supply or the
ground.

Solenoid valve and circuit.
Refer to Inspection 7 Sole-
noid Valve, VDC Switch-
over Solenoid Valve and
Circuit, BR-142.

FR LH OUT ABS SOL

Circuit of the front LH outlet solenoid valve is open or shorted,
or the control line is open or shorted to the power supply or the
ground.

RR RH IN ABS SOL

Circuit of the rear RH inlet solenoid valve is open or shorted, or
the control line is open or shorted to the power supply or the
ground.

RR RH OUT ABS SOL

Circuit of the rear RH outlet solenoid valve is open or shorted,
or the control line is open or shorted to the power supply or the
ground.

FR RH IN ABS SOL

Circuit of the front RH inlet solenoid valve is open or shorted, or
the control line is open or shorted to the power supply or the
ground.

FR RH OUT ABS SOL

Circuit of the front RH outlet solenoid valve is open or shorted,
or the control line is open or shorted to the power supply or the
ground.

RR LH IN ABS SOL

Circuit of the rear LH inlet solenoid valve is open or shorted, or
the control line is open or shorted to the power supply or the
ground.

RR LH OUT ABS SOL

Circuit of the rear LH outlet solenoid valve is open or shorted,
or the control line is open or shorted to the power supply or the
ground.

USV LINE [FL-RR]

VDC switch-over solenoid valve 1 on the primary side is open
circuit or shorted, or the control line is open or shorted to the
power supply or the ground.

VDC switch-over solenoid
valve and circuit. Refer to
Inspection 7 Solenoid
Valve, VDC Switch-over
Solenoid Valve and Circuit,
BR-142.

USV LINE [FR-RL]

VDC switch-over solenoid valve 1 on the secondary side is
open circuit or shorted, or the control line is open or shorted to
the power supply or the ground.

HSV LINE [FL-RR]

VDC switch-over solenoid valve 2 on the primary side is open
circuit or shorted, or the control line is open or shorted to the
power supply or the ground.

HSV LINE [FR-RL]

VDC switch-over solenoid valve 2 on the secondary side is
open circuit or shorted, or the control line is open or shorted to
the power supply or the ground.

PUMP MOTOR ACTUATOR RLY
(note)

During the actuator motor operation with ON, when the actuator
motor turns OFF. Or when the control line for actuator motor
relay is open.

Actuator motor, motor
relay, and circuit. Refer to
Inspection 8 Actuator
Motor, Motor Relay and
Circuit, BR-146.

During the actuator motor operation with OFF, when the actua-
tor motor turns ON. Or when the control line for relay is shorted
to ground.

ABS SENSOR
[ABNORMAL SIGNAL]

Wheel sensor input is abnormal.

Wheel sensor and circuit.
Refer to Inspection 1
Wheel Sensor and Circuit,
BR-133.

IDX

TROUBLE DIAGNOSIS — INTRODUCTION

VDC

CONSULT-II Functions (Cont’d)

BR-121

Self-Diagnostic item

Malfunction detecting condition

Check route

BATTERY VOLTAGE
[ABNORMAL]

VDC/TCS/ABS control unit battery voltage is too low.

VDC/TCS/ABS control unit
battery voltage circuit and
ground circuit. Refer to
Inspection 11 VDC/TCS/
ABS Control Unit Power
Supply Circuit, BR-151.

ST ANGLE SEN SIGNAL

Neutral position correction of steering angle sensor is not fin-
ished.

Neutral position adjust-
ment of steering angle
sensor. Refer to Inspection
13 When “ST ANG SEN
SIGNAL” is Indicated in
the Self-Diagnosis Results,
BR-154.

ST ANG SEN COM CIR

CAN communication system or steering angle sensor is abnor-
mal.

Steering angle sensor and
CAN communication cir-
cuit. Refer to Inspection 15
CAN Communication Cir-
cuit VDC/TCS/ABS Control
Unit and Steering Angle
Sensor, BR-156.

SIDE G-SEN CIRCUIT

Side G sensor is abnormal, or the signal line of side G sensor is
open or shorted.

Yaw rate/Side G sensor
and circuit. Refer to
Inspection 6 Yaw Rate/
Side G and the Circuit
between Yaw Rate/Side G
and VDC/TCS/ABS Con-
trol Unit, BR-141.

EMERGENCY BRAKE

VDC/TCS/ABS control unit malfunction (pressure increase is too
much or too little.)

VDC/TCS/ABS control
unit. Refer to Inspection 12
When “EMERGENCY
BRAKE” is indicated in the
Self-Diagnosis Results,
BR-154.

CONTROLLER FAILURE

VDC/TCS/ABS internal malfunction of control unit

VDC/TCS/ABS control
unit. Refer to Inspection 3
VDC/TCS/ABS Control
Unit System, BR-136.

CAN COMM CIRCUIT

CAN communication line is open or shorted.

VDC/TCS/ABS control unit internal malfunction.

Battery voltage for EMC is interrupted instantaneously for
Approx. 0.5 seconds or more.

Communication circuit
between VDC/TCS/ABS
control unit and units.
Refer to Inspection 15
CAN Communication Cir-
cuit VDC/TCS/ABS Control
Unit and Steering Angle
Sensor, BR-156.

BR FLUID LEVEL LOW

Brake fluid level drops or communication line between the VDC/
TCS/ABS control unit and the brake fluid level warning switch is
open or shorted.

Communication circuit
between the VDC/TCS/
ABS control unit and the
brake fluid level warning
switch.
Reservoir tank fluid. Refer
to Inspection 14 Brake
Fluid Level of Reservoir
Tank, Communication Cir-
cuit between VDC/TCS/
ABS Control Unit and
Brake Fluid Level Warning
Switch, BR-155.

TROUBLE DIAGNOSIS — INTRODUCTION

VDC

CONSULT-II Functions (Cont’d)

BR-122

Self-Diagnostic item

Malfunction detecting condition

Check route

ENGINE SIGNAL 1-4, 6

Major engine components are abnormal

Engine system. Refer to
Inspection 2 Engine
System, BR-135.

(note) “ACTUATOR RLY” on the CONSULT-II self-diagnosis results indicates the malfunction of the actuator motor relay and circuit.

DATA MONITOR

NHBR0264S03

For details of the data monitor function, refer to the CONSULT-II
Instruction Manual.
Procedure
1.

Turn the ignition switch OFF.

Connect the CONSULT-II connector to the vehicle-side data
link connector.

Turn the ignition switch ON.

Touch “START” on the display.

Touch “ABS” on the display.

CAUTION:

Just after the engine is started, or the ignition switch is turned
ON, “ABS” may not be displayed on the system selection
screen even if “START” is touched. In this case, start the self-
diagnosis again from step 2.

SFIA2436E

Touch “DATA MONITOR”.

The data monitor item selection screen is displayed, and touch
one of “ECU INPUT SIGNALS”, “MAIN SIGNALS”, “CAN DIAG
SUPPORT MNTR” or “SELECTION FROM MENU”. Refer to
Data Monitor Items to be Displayed.

Touch “START”.

Screen of data monitor is displayed.

Data monitor items to be displayed

Data Monitor Item (Unit)

Data Monitor item selection

Remarks

ECU INPUT

SIGNALS

MAIN SIGNALS

SELECTION

FROM MENU

GEAR

“1” is displayed.

SLCT LVR POSI

“##” is displayed.

FR RH SENSOR
(km/h, MPH)

Wheel speed calculated by front RH
wheel sensor signal is displayed.

FR LH SENSOR
(km/h, MPH)

Wheel speed calculated by front LH
wheel sensor signal is displayed.

RR RH SENSOR
(km/h, MPH)

Wheel speed calculated by rear RH
wheel sensor signal is displayed.

RR LH SENSOR
(km/h, MPH)

Wheel speed calculated by rear LH
wheel sensor signal is displayed.

ACCEL POS SIG (%)

Throttle valve open/close status
judged by the CAN communication
signal is displayed.

ENGINE RPM (rpm)

Engine speed judged by the CAN
communication signal is displayed.

IDX

TROUBLE DIAGNOSIS — INTRODUCTION

VDC

CONSULT-II Functions (Cont’d)

BR-123

Data Monitor Item (Unit)

Data Monitor item selection

Remarks

ECU INPUT

SIGNALS

MAIN SIGNALS

SELECTION

FROM MENU

CAN COM START
(ON/OFF)

—

Communication status of CAN com-
munication is displayed.

STR ANGLE SIG
(deg)

Steering angle detected by the steer-
ing angle sensor is displayed.

YAW RATE SEN
(d/s)

Yaw rate detected by the yaw rate
sensor is displayed.

SIDE G-SENSOR
(m/s

)

Transverse acceleration detected by
the side G sensor is displayed.

PRESS SENSOR
(bar)

Brake fluid pressure detected by the
pressure sensor is displayed.

BATTERY VOLT
(V)

Voltage supplied to VDC/TCS/ABS
control unit is displayed.

MOTOR RELAY
(ON/OFF)

—

Motor relay signal (ON/OFF) status
is displayed.

ACTUATOR RLY
(ON/OFF)

—

Actuator relay signal (ON/OFF) sta-
tus is displayed.

STOP LAMP SW
(ON/OFF)

Stop lamp switch (ON/OFF) status is
displayed.

PARK BRAKE SW
(ON/OFF)

Parking brake switch (ON/OFF) sta-
tus is displayed.

OFF SW
(ON/OFF)

VDC OFF switch (ON/OFF) status is
displayed.

ABS WARN LAMP
(ON/OFF)

—

ABS warning lamp (ON/OFF) status
is displayed.

OFF LAMP
(ON/OFF)

—

VDC OFF indicator lamp (ON/OFF)
status is displayed.

SLIP LAMP
(ON/OFF)

—

SLIP indicator lamp (ON/OFF) status
is displayed.

FR LH IN SOL
(ON/OFF)

—

Front LH inlet solenoid valve (ON/
OFF) status is displayed.

FR LH OUT SOL
(ON/OFF)

—

Front LH outlet solenoid valve (ON/
OFF) status is displayed.

RR RH IN SOL
(ON/OFF)

—

Rear RH inlet solenoid valve (ON/
OFF) status is displayed.

RR RH OUT SOL
(ON/OFF)

—

Rear RH outlet solenoid valve (ON/
OFF) status is displayed.

FR RH IN SOL
(ON/OFF)

—

Front RH inlet solenoid valve (ON/
OFF) status is displayed.

FR RH OUT SOL
(ON/OFF)

—

Front RH outlet solenoid valve (ON/
OFF) status is displayed.

RR LH IN SOL
(ON/OFF)

—

Rear LH inlet solenoid valve (ON/
OFF) status is displayed.

RR LH OUT SOL
(ON/OFF)

—

Rear LH outlet solenoid valve (ON/
OFF) status is displayed.

TROUBLE DIAGNOSIS — INTRODUCTION

VDC

CONSULT-II Functions (Cont’d)

BR-124

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