display INFINITI FX35 2005 Service Manual

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS) BL-227
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Diagnostic Procedure 2AIS004PN
Self-diagnostic results:
“CHAIN OF ECM-IMMU” is display on CONSULT-II screen
First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-II, then perform the trouble diagno-
sis of malfunction system indicated “SELF-DIAG RESULTS” of “BCM”. Refer to BCS-15, "
CAN Com-
munication Inspection Using CONSULT-II (Self-Diagnosis)" .
1. CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm that SELF-DIAGNOSTIC RESULTS “CHAIN OF ECM-
IMMU” is displayed on the screen?
Does CONSULT-II screen display as shown in figure?
YES >> GO TO 2.
NO >> GO TO BL-225, "
Trouble Diagnosis Symptom Chart" .
2. CHECK POWER SUPPLY CIRCUIT FOR BCM
1. Turn ignition switch OFF.
2. Disconnect BCM connector M4.
3. Check voltage between BCM connector M4 terminals and ground.
OK or NG
OK >> GO TO 3.
NG >> Check the following.

50A fusible link [Letter M , located in fuse block (J/B)]

15A fuse [No.22, located in fuse block (J/B)]

Harness for open or short between fusible link or fuse
and BCM.
3. CHECK IGNITION SWITCH ON SIGNAL
1. Turn ignition switch ON.
2. Check voltage between BCM connector M3 terminal and ground.
OK or NG
OK >> GO TO 4.
NG >> Check the following.

15A fuse [No.1, located in fuse block (J/B)]

Harness for open or short between fuse and BCM.
PIIA1260E
42 (L/R) – Ground : Battery voltage
55 (G) – Ground : Battery voltage
PIIA6143E
38 (W/L) – Ground : Battery voltage
PIIA6144E

BL-228
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: 2005 July 2005 FX
4. CHECK GROUND CIRCUIT FOR BCM
1. Turn ignition switch OFF.
2. Check continuity between BCM connector M4 terminals 49 (B), 52 (B) and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness between BCM and ground.
5. REPLACE BCM
1. Replace BCM.
2. Perform initialization with CONSULT-II. For initialization, refer to “CONSULT-II Operation Manual NATS-IVIS/NVIS”.
Does the engine start?
YES >> BCM is malfunctioning.

Replace BCM.

Perform initialization with CONSULT-II.

For initialization, refer to “CONSULT-II Operation Manual NATS-IVIS/NVIS”.
NO >> ECM is malfunctioning.

Replace ECM.

Perform initialization or re-communicating function.
–For re-communicating function, refer to BL-215, "ECM Re-Communicating Function" .
–For initialization, refer to “CONSULT-II Operation Manual NATS-IVIS/NVIS”.
Diagnostic Procedure 3AIS004PO
Self-diagnostic results:
“DIFFERENCE OF KEY” is displayed on CONSULT-II screen
1. CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm that SELF-DIAGNOSTIC RESULTS “DIFFERENCE OF
KEY” is displayed on CONSULT-II screen.
Does CONSULT-II screen display as shown in figure?
YES >> GO TO 2.
NO >> GO TO BL-225, "
Trouble Diagnosis Symptom Chart" .
49 (B) – Ground : Continuity should exist.
52 (B) – Ground : Continuity should exist.
PIIA5084E
PIIA1261E

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS) BL-229
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2. PERFORM INITIALIZATION WITH CONSULT-II
Perform initialization with CONSULT-II. Re-register all ignition key or mechanical key IDs.
For initialization and registration of ignition key or mechanical key IDs, refer to “CONSULT-II Operation Manual
NATS-IVIS/NVIS”.
NOTE:
If the initialization is not completed or malfunction, CONSULT-II
shows message on the screen.
Can the system be initialized and can the engine be started with re-
registered ignition key or mechanical key?
YES >> Ignition key ID was unregistered.
NO >> BCM is malfunctioning.

Replace BCM.

Perform initialization with CONSULT-II.

For initialization, refer to “CONSULT-II Operation
Manual NATS-IVIS/NVIS”.
Diagnostic Procedure 4AIS004PP
Self-diagnostic results:
“ID DISCORD, IMM-ECM” is displayed on CONSULT-II screen
1. CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm that SELF-DIAGNOSTIC RESULTS “ID DISCORD, IMM-ECM” is displayed on CONSULT-II screen.
NOTE:
“ID DISCORD IMM-ECM”:
Registered ID of BCM is in discord with that of ECM.
Does CONSULT-II screen display as shown in figure?
YES >> GO TO 2.
NO >> GO TO BL-225, "
Trouble Diagnosis Symptom Chart" .
2. PERFORM INITIALIZATION WITH CONSULT-II
Perform initialization with CONSULT-II. Re-register all ignition key or mechanical key IDs.
For initialization, refer to “CONSULT-II Operation Manual NATS-
IVIS/NVIS”.
NOTE:
If the initialization is not completed or malfunction, CONSULT-II
shows message on the screen.
Can the system be initialized?
YES >> Start engine. (END)

System initialization had not been completed.
NO >> ECM is malfunctioning.

Replace ECM.

Perform initialization or re-communicating function.
–For initialization, refer to “CONSULT-II Operation Manual NATS-IVIS/NVIS”.
–For re-communicating function, refer to BL-215, "ECM Re-Communicating Function" .
SEL297W
PIIA1262E
SEL297W

BL-230
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: 2005 July 2005 FX
Diagnostic Procedure 5AIS004PQ
Self-diagnostic results:
“LOCK MODE” displayed on CONSULT-II screen
1. CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm SELF-DIAGNOSTIC RESULTS “LOCK MODE” is displayed
on CONSULT-II screen.
Does CONSULT-II screen display as shown in figure?
YES >> GO TO 2.
NO >> GO TO BL-225, "
Trouble Diagnosis Symptom Chart" .
2. ESCAPE FROM LOCK MODE
1. Turn ignition switch OFF.
2. Turn ignition switch ON with registered key. (Do not start engine.) Wait 5 seconds.
3. Return the key to OFF position. Wait 5 seconds.
4. Repeat steps 2 and 3 twice (total of three cycles).
5. Start the engine.
Does engine start?
YES >> System is OK (Now system is escaped from “LOCK MODE”).
NO >> GO TO 3.
3. PERFORM INITIALIZATION WITH CONSULT-II
Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II Operation Manual NATS-
IVIS/NVIS”.
NOTE:
If the initialization is not completed or malfunction, CONSULT-II
shows the message on the screen.
Can the system be initialized?
YES >> System is OK.
NO >> GO TO 4.
PIIA1264E
SEL297W

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS) BL-231
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4. PERFORM INITIALIZATION WITH CONSULT-II AGAIN
1. Replace BCM.
2. Perform initialization with CONSULT-II. For initialization, refer to “CONSULT-II Operation Manual NATS-
IVIS/NVIS”.
NOTE:
If the initialization is not completed or malfunctions, CONSULT-II
shows the message on the screen.
Can the system be initialized?
YES >> System is OK. BCM is malfunctioning.

Replace BCM.

Perform initialization with CONSULT-II.

For initialization, refer to “CONSULT-II Operation
Manual NATS-IVIS/NVIS”.
NO >> ECM is malfunctioning.

Replace ECM.

Perform initialization or re-communicating function.
–For initialization, refer to “CONSULT-II Operation Manual NATS-IVIS/NVIS”.
–For re-communicating function, refer to BL-215, "ECM Re-Communicating Function" .
Diagnostic Procedure 6AIS004PR
Self-diagnostic results:
“CHAIN OF IMMU-KEY” is displayed on CONSULT-II screen
1. CONFIRM SELF-DIAGNOSTIC RESULTS
Confirm self-diagnostic results “CHAIN OF IMMU-KEY” is displayed on CONSULT-II screen.
Does CONSULT-II screen display as shown?
YES >> GO TO 2.
NO >> GO TO BL-225, "
Trouble Diagnosis Symptom Chart" .
2. CHECK NATS ANTENNA AMP. INSTALLATION
Check NATS antenna amp. installation. Refer to BL-234, "
Removal and Installation NATS Antenna Amp." .
OK or NG
OK >> GO TO 3.
NG >> Reinstall NATS antenna amp. correctly.
3. CHECK KEY ID CHIP
Start engine with another registered ignition key or mechanical key.
Does the engine start?
YES >> Ignition key or mechanical key ID chip is malfunctioning.

Replace the ignition key or mechanical key.

Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II Operation Manual NATS–IVIS/NVIS”.
NO >> GO TO 4.
SEL297W

BRC-1
BRAKE CONTROL SYSTEM
F BRAKES
CONTENTS
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SECTION BRC
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BRAKE CONTROL SYSTEM
VDC/TCS/ABS
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
Precautions for Brake System ............................. ..... 3
Precautions for Brake Control ............................. ..... 3
PREPARATION ...................................................... ..... 5
Special Service Tools .......................................... ..... 5
Commercial Service Tools ................................... ..... 5
ON-VEHICLE SERVICE ........................................ ..... 6
Adjustment of Steering Angle Sensor Neutral Posi-
tion ...................................................................... ..... 6
Calibration of Decel G Sensor (AWD Model) ...... ..... 6
SYSTEM DESCRIPTION ....................................... ..... 8
System Diagram .................................................. ..... 8
VDC Function ...................................................... ..... 8
TCS Function ...................................................... ..... 8
ABS Function ...................................................... ..... 8
EBD Function ...................................................... ..... 9
Fail-Safe Function ............................................... ..... 9
VDC / TCS SYSTEM ........................................ ..... 9
ABS, EBD SYSTEM ......................................... ..... 9
Hydraulic Circuit Diagram ................................... ... 10
CAN COMMUNICATION ....................................... ....11
System Description ............................................. .... 11
TROUBLE DIAGNOSIS ......................................... ... 12
How to Proceed with Diagnosis .......................... ... 12
BASIC CONCEPT ............................................ ... 12
DIAGNOSIS FLOWCHART ............................. ... 13
ASKING COMPLAINTS ................................... ... 14
EXAMPLE OF DIAGNOSIS SHEET ................ ... 14
Component Installation Location ......................... ... 15
Schematic ........................................................... ... 16
Wiring Diagram — VDC — .................................. ... 17
Control Unit Input/Output Signal Standard .......... ... 23
REFERENCE VALUE FROM CONSULT-II ...... ... 23
CONSULT-II Functions ........................................ ... 25
CONSULT-II MAIN FUNCTION ........................ ... 25
CONSULT-II BASIC OPERATION PROCEDURE ... 26
SELF-DIAGNOSIS ........................................... ... 27
DATA MONITOR .............................................. ... 30
ACTIVE TEST .................................................. ... 33
For Fast and Accurate Diagnosis ........................ ... 35
PRECAUTIONS FOR DIAGNOSIS .................. ... 35
Basic Inspection .................................................. ... 36
BASIC INSPECTION 1: BRAKE FLUID
AMOUNT, LEAKS, AND BRAKE PADS INSPEC-
TION ................................................................. ... 36
BASIC INSPECTION 2: POWER SYSTEM TER-
MINAL LOOSENESS AND BATTERY INSPEC-
TION ................................................................. ... 36
BASIC INSPECTION 3: ABS WARNING LAMP,
VDC OFF INDICATOR LAMP, SLIP INDICATOR
LAMP AND BRAKE WARNING LAMP INSPEC-
TION ................................................................. ... 37
Inspection 1: Wheel Sensor Circuit ..................... ... 37
Inspection 2: Engine System ............................... ... 39
Inspection 3: VDC/TCS/ABS Control Unit Circuit ... 40
Inspection 4: Pressure Sensor Circuit ................. ... 40
Inspection 5: Steering Angle Sensor Circuit ........ ... 42
Inspection 6: Yaw Rate/Side G Sensor (2WD
Model), Yaw Rate/Side/Decel G sensor (AWD Mod-
els) Circuit ............................................................ ... 44
Inspection 7: Solenoid and VDC Change-Over
Valve Circuit ......................................................... ... 46
Inspection 8: Actuator Motor Circuit .................... ... 47
Inspection 9: ABS Actuator and Electric Unit (Con-
trol Unit) Power Supply and Ground Circuit ......... ... 48
Inspection 10: Stop Lamp Switch Circuit ............. ... 50
Inspection 11: Brake Fluid Level Switch Circuit ... ... 51
Inspection 12: When “ST ANG SEN SIGNAL”
Appears on Self-diagnosis Results Display ......... ... 52
Inspection 13: When “DECEL G SEN SET” Appears
on Self-diagnostic Results Display (AWD Model) ... 52
Inspection 14: CAN Communication Circuit ........ ... 53
Component Inspection ......................................... ... 53
VDC OFF SWITCH .......................................... ... 53
Symptom 1: Excessive ABS Function Operation

ON-VEHICLE SERVICE BRC-7
[VDC/TCS/ABS]
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1. Stop vehicle with front wheels in straight-ahead position.
CAUTION:

The work should be done at a horizontal place when vehicle is in the unloaded vehicle condi-
tion.

Keep all tires inflated to correct pressures. Adjust the tire pressure to the specified pressure
value.
2. Connect CONSULT-II and CONSULT-II CONVERTER to data link connector on vehicle, and turn ignition switch ON (do not start engine).
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which performs CAN communication.
3. Touch “ABS”, “WORK SUPPORT” and “DECEL G-SEN CALIBRATION” on CONSULT-II screen in this order. Refer to BRC-26, "
CONSULT-II BASIC OPERATION PROCEDURE" .
4. Touch “START”. CAUTION:
Set vehicle as shown in the display.
5. After approximately 10 seconds, touch “END”. (After approxi- mately 60 seconds, it ends automatically.)
6. Turn ignition switch OFF, then turn it ON again. CAUTION:
Be sure to perform above operation.
7. Run vehicle with front wheels in straight-ahead position, then stop.
8. Select “DATA MONITOR”, “SELECTION FROM MENU”, and “DECEL G-SEN” on CONSULT-II screen. Then make sure “DECEL G-SEN” is within 0 ±0.08 G. If value is
more than specification, repeat steps 3 to 7.
9. Erase memory of ABS actuator and electric unit (control unit) and ECM.
10. Turn ignition switch OFF.
SFIA1162E

TROUBLE DIAGNOSIS BRC-23
[VDC/TCS/ABS]
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Control Unit Input/Output Signal StandardAFS001SP
REFERENCE VALUE FROM CONSULT-II
CAUTION:
The display shows ABS actuator and electric unit (control unit) calculation data, so a normal value
might be displayed even in the event the output circuit (harness) is open or short-circuited.
Monitor item Display content Data monitor
Check item
Condition Reference value in
normal operation
SLCT LVR POSI A/T shift position P: P position
R: R position
N: N position
D: D position
—
GEAR A/T gear position 1: 1st gear
2: 2nd gear
3: 3rd gear
4: 4th gear
5: 5th gear
FR RH SENSOR
FR LH SENSOR
RR RH SENSOR
RR LH SENSOR Wheel speed Vehicle stopped 0 [km/h (MPH)]
BRC-37, "
Inspection 1:
Wheel Sensor Circuit"Vehicle running (Note 1) Almost in accor-
dance with speed-
ometer display
(within ±10 %)
ACCEL POS SIG Open/close condition
of throttle valve (linked
with accelerator pedal). Accelerator pedal not
depressed (ignition switch is
ON) 0 %
Communication circuit
between VDC/TCS/ABS
control unit and ECM
Depress accelerator pedal
(ignition switch is ON) 0 to 100 %
ENGINE SPEED With engine running With engine stopped 0 rpm
EC section
Engine running Almost in accor-
dance with
tachometer display
STR ANGLE SIG Steering angle
detected by steering
angle sensor Straight-ahead Approx. 0 deg
BRC-42, "
Inspection 5:
Steering Angle Sensor
Circuit"Steering wheel turned –756 to 756 deg
YAW RATE SEN Yaw rate detected by
yaw rate sensor Vehicle stopped Approx. 0 d/s
BRC-44, "
Inspection 6:
Yaw Rate/Side G Sensor
(2WD Model), Yaw Rate/
Side/Decel G sensor
(AWD Models) Circuit"
Vehicle running –100 to 100 d/s
SIDE G-SENSOR Transverse G detected
by side G sensor Vehicle stopped
Approx. 0 m/s
2BRC-44, "Inspection 6:
Yaw Rate/Side G Sensor
(2WD Model), Yaw Rate/
Side/Decel G sensor
(AWD Models) Circuit"
Vehicle running–16.7 to 16.7 m/s2
PRESS SENSOR Brake fluid pressure
detected by pressure
sensor With ignition switch turned ON
and brake pedal released Approx. 0 bar
BRC-40, "Inspection 4:
Pressure Sensor Circuit"With ignition switch turned ON
and brake pedal depressed 0 to 170 bar
BATTERY VOLT Battery voltage sup-
plied to ABS actuator
and electric unit (con-
trol unit) Ignition switch ON 10 to 16 V BRC-48, "
Inspection 9:
ABS Actuator and Elec-
tric Unit (Control Unit)
Power Supply and
Ground Circuit"
STOP LAMP SW Brake pedal operation
Brake pedal depressed ON
BRC-50, "
Inspection 10:
Stop Lamp Switch Cir-
cuit"Brake pedal not depressed OFF

BRC-24
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
OFF SW VDC OFF switch
ON/OFF status VDC OFF switch ON
(When VDC OFF indicator
lamp is ON) ON
BRC-53, "VDC OFF
SWITCH"VDC OFF switch OFF
(When VDC OFF indicator
lamp is OFF) OFF
ABS WARN LAMP ABS warning lamp ON
condition (Note 2) ABS warning lamp ON ON
BRC-37, "
BASIC
INSPECTION 3: ABS
WARNING LAMP, VDC
OFF INDICATOR LAMP,
SLIP INDICATOR LAMP
and BRAKE WARNING
LAMP INSPECTION"
ABS warning lamp OFF OFF
MOTOR RELAY Operation status of
motor and motor relay Ignition switch ON or engine
running (ABS not operated) OFF
BRC-47, "
Inspection 8:
Actuator Motor Circuit"Ignition switch ON or engine
running (ABS operated) ON
ACTUATOR RLY Actuator relay opera-
tion status Actuator (solenoid) is active
(“ACTIVE TEST” with CON-
SULT-II) ON
BRC-47, "
Inspection 8:
Actuator Motor Circuit"When actuator relay is inactive
(in fail-safe mode) OFF
OFF LAMP VDC OFF indicator
lamp status (Note 3) When VDC OFF indicator
lamp is ON ON
BRC-37, "
BASIC
INSPECTION 3: ABS
WARNING LAMP, VDC
OFF INDICATOR LAMP,
SLIP INDICATOR LAMP
and BRAKE WARNING
LAMP INSPECTION"
When VDC OFF indicator
lamp is OFF OFF
SLIP LAMP SLIP indicator lamp
status (Note 4) When SLIP indicator lamp is
ON ON
When SLIP indicator lamp is
OFF OFF
FR LH IN SOL
FR LH OUT SOL
FR RH IN SOL
FR RH OUT SOL
RR RH IN SOL
RR RH OUT SOL
RR LH IN SOL
RR LH OUT SOL Solenoid valve opera-
tion Actuator (solenoid) is active
(“ACTIVE TEST” with CON-
SULT-II) and actuator relay is
active (ignition switch ON) ON
BRC-46, "
Inspection 7:
Solenoid and VDC
Change-Over Valve Cir-
cuit"
When actuator (solenoid) is
not active or actuator relay is
inactive (in fail-safe mode) OFF
CV1
CV2
SV1
SV2 VDC/TCS switch-over
valve status When actuator (switch-over
valve) is active (“ACTIVE
TEST” with CONSULT-II) and
actuator relay is active (ignition
switch ON) ON
When actuator (switch-over
valve) is not active or actuator
relay is inactive (in fail-safe
mode) OFF
DECEL G-SEN Longitudinal accelera-
tion detected by Decel
G sensor [Note 5] Vehicle stopped approx. 0 G
BRC-44, "
Inspection 6:
Yaw Rate/Side G Sensor
(2WD Model), Yaw Rate/
Side/Decel G sensor
(AWD Models) Circuit"
Vehicle running -1.7 to +1.7 G
Monitor item Display content
Data monitor
Check item
Condition Reference value in
normal operation

TROUBLE DIAGNOSIS BRC-25
[VDC/TCS/ABS]
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Note 1: Confirm tire pressure is normal.
Note 2: ON/OFF timing of ABS warning lamp
ON: Approx. Within 2 seconds after ignition switch is turned ON, or when a malfunction is detected.
OFF: Approx. 2 seconds after ignition switch is turned ON (when system is in normal operation) and VDC/TCS function is not activa ted.
Note 3: ON/OFF timing of VDC OFF indicator lamp
ON: Approx. Within 2 seconds after ignition switch is turned ON, or when a malfunction is detected and VDC OFF switch is ON.
OFF: Approx 2 seconds after ignition switch is turned ON (when system is in normal operation.) And when VDC OFF switch is OFF.
Note 4: SLIP indicator lamp ON/OFF timing
ON: Approx. Within 2 seconds after ignition switch is turned ON, or when a malfunction is detected and VDC/TCS function is activa ted
while driving.
OFF: Approx. 2 seconds after ignition switch is turned ON (when system is in normal operation) and VDC/TCS function is not activa ted.
Blinking: VDC/TCS function is active during driving
Note 5: Only AWD model.
Note 6: Serves as EBD warning lamp.
CONSULT-II FunctionsAFS001SQ
CONSULT-II MAIN FUNCTION
In a diagnosis function (main function), there are “WORK SUPPORT”, “SELF-DIAGNOSTIC RESULTS”,
“DATA MONITOR”, “CAN DIAG SUPPORT MNTR”, “ACTIVE TEST”, “FUNCTION TEST”, “ECU PART NUM-
BER”.
FLUID LEV SW ON/OFF status of
brake fluid level switch When brake fluid level switch
ON ON
BRC-51, "
Inspection 11:
Brake Fluid Level Switch
Circuit"When brake fluid level switch
OFF OFF
VDC FAIL SIG
TCS FAIL SIG
ABS FAIL SIG
EBD FAIL SIG Fail signal status VDC fail
TCS fail
ABS fail
EBD fail ON
VDC system
TCS system
ABS system
EBD system
VDC normal
TCS normal
ABS normal
EBD normal OFF
EBD WARN LAMP Brake warning lamp on
condition (Note 6) Brake warning lamp ON ON
BRC-37, "
BASIC
INSPECTION 3: ABS
WARNING LAMP, VDC
OFF INDICATOR LAMP,
SLIP INDICATOR LAMP
and BRAKE WARNING
LAMP INSPECTION"
Brake warning lamp OFF OFF
EBD SIGNAL EBD operation EBD active ON
—
EBD not active OFF
ABS SIGNAL ABS operation ABS active ON
ABS not active OFF
TCS SIGNAL TCS operation TCS active ON
TCS not active OFF
VDC SIGNAL VDC operation VDC active ON
VDC not active OFF
CRANKING SIG CRANKING status Cranking ON
Not cranking OFF
4WD FAIL REQ ETS fail status (Note 5) ETS fail ON
ETS normal OFF
2WD/4WD Drive axle 2WD model 2WD
AW D mod el AWD
Monitor item Display content
Data monitor
Check item
Condition Reference value in
normal operation