wheel NISSAN GT-R 1998 Owner's Manual

TCSlABS SYSTEM
Control Unit InputfOutput Signal Specifications
(Cont'd)
USING CONSULT
Indicated are the controi unit computed data. If the output circuit (harness) should be open or short-
circuited, correct values may be displayed.
TCS/ABS control unit
Display
I Vehicle is stationary.
REVOLUTION SENSOR
W/hI
STOP LAMP SW [ON-OFF] Check
item (Reference)
Data monitor
the
same 'peed Wheel sensor circuit
as speedometer (within
~onttor
ltem
Wheel
speed'l
Vehicle is
driven.'l
Condition
Brake pedal is
Brake pedal is not
depressed.
Engine is stopped.
Engine is running at
more than
400 rpm.
Actuator (solenoid) is
activated (at CONSULT Specifications
Brake pedal status
-1 Engine speed signal cir-
cuit
ENG
RPM SIGNAL
[STOP-RUN] Engine operation
active test), or actuator
relay is not activated
(with fail-safe function
activated and engine not
running). Solenoid circuit
IN
ABS SOLENOID
[ON-OFF]
Solenoid status Actuator (solenoid) is
not
activated and actuator
relay
is activated (with
vehicle stopped and
engine running).
OUT
ABS SOLENOID
[ON-OFF] OFF
Actuator relay is acti-
vated (with engine run-
ning).
ABS ACTUATOR RELAY
[ON-OFF]
- Actuator relay and circuit
Actuator
relay status
Actuator relay is not acti-
vated (with fail-safe
function activated and
engine not running).
Motor relay and motor
are activated (at CON-
SULT active test).
Motor relay and motor
are not activated. OFF
I ABS
motor, motor relay
ABS MOTOR
RELAY
[ON-OFF]
Motor
relay
and motor
status
OFF and circuit
ABS warning lamp cir-
cuit
Controi unit power
sup-
WARNING LAMP
[ON-OFF]
4BS
warning lamp
sta-
:us'2
Warning lamp ON Warning lamp OFF
'ewer supply voltage
~rovided for control unit
BATERY
BOLT [V] Ignition switch ON
Acceleration pedal is not
depressed. (Ignition
switch
ON)
10 - 16V
I
Communication line cir-
cuit between TCS/ABS
control unit and throttle
I - 10096 control unit ply circuit and ground
circuit
rhrottle
angle condition
linked with acceleration
~edal)
THRTL OPENING
[%]
Acceleration pedal is
depressed. (Ignition
switch ON)

TCS/ABS SYSTEM
CONSULT for TCS/ABS Control Unit Control
System (Cont'd)
SELF-DIAGNOSTIC RESULTS MODE
Diagnostic item Diagnostic item is detected when ...
Circuit for front right wheel sensor is open. Or an abnormally high input voltage is
entered due to short to battery.
Circuit for front left wheel sensor is open. Or an abnormally high input voltage is entered
due to short to battery.
Circuit for rear right wheel sensor is open. Or an abnormally high input voltage is enterec
due to short to battery. Check
item
FR RH SENSOR
[OPEN]
FR LH SENSOR
[OPEN]
REAR SENSOR
[OPEN]
RR LH SENSOR
[OPEN] Circuit for rear left
wheel sensor is open. Or an abnormally high input voltage is entered
due to short to battery.
Front right wheel sensor is short-circuited or shorted to ground, or gap between the
wheel sensor and the sensor rotor is large. An abnormally low input voltage is entered
and input signal is abnormal.
FR
RH SENSOR
[SHORT) Wheel
sen-
sor circuit
FR LH SENSOR
[SHORTJ Front
left wheel sensor is short-circuited or shorted to ground, or gap between the wheel
sensor and the sensor rotor is large. An abnormally low input voltage is entered and
input signal is abnormal.
Rear right wheel sensor is short-circuited or shorted to ground, or gap between the
wheel sensor and the sensor rotor is large. An abnormally low input
vottage is entered
and input signal is abnormal.
Rear left wheel sensor is short-circuited or shorted to ground, or gap between the wheel
sensor and the sensor rotor is large. An abnormally low input voltage is entered and
input signal is abnormal.
Circuit for front right inlet ABS solenoid valve is open, or an output voltage is much lower
than the specified value due to short to ground.
Circuit for front
left inlet ABS solenoid valve is open, or an output voltage is much lower
than the specified value due to short to ground.
RR
RH SENSOR
[SHORTJ
RR LH SENSOR
[SHORV
FR RH IN ABS SOL
[OPEN]
FR LH
IN ABS SOL
[OPEN]
REAR IN ABS SOL
[OPEN] Circuit
for rear inlet ABS solenoid valve is
open, or an output voltage is much lower than
the specified value due to short to ground.
-
FR RH IN ABS SOL
[SHORT]
- - - -- - - - -
Circuit for front right inlet ABS solenoid valve is shorted, or an output voltage is much
higher than the specified value due to short to battery.
Circuit for front left inlet ABS solenoid valve is shorted, or an output voltage is much
higher than the specified value due to short to battery.
Circuit for rear inlet ABS solenoid valve is shorted, or an output voltage is much higher
than the specified value due to short to battery.
Circuit for front right outlet ABS solenoid valve is open, or an output voltage is much
lower than the specified value due to short to ground.
Circuit for front left outlet
ABS solenoid valve is open, or an output voltage is much lower
than the specified value due to short to ground.
FR
LH IN
ABS SOL
[SHORTJ
REAR IN ABS SOL
[SHORT] Solenoid and
circuit
FR RH OUT ABS SOL
[OPEN]
FR LH OUT ABS SOL
[OPEN]
REAR
OUT ABS SOL
[OPEN]
- --
Circuit for rear outlet ABS solenoid valve is open, or an output voltage is much lower
than the specified value due to short to ground.
Circuit for front right outlet ABS solenoid valve is shorted, or an output voltage is much
higher than the specified value due to short to battery.
Circuit for front left outlet
ABS solenoid valve is shorted, or an output voltage is much
higher than the specified value due to short to battery.
Circuit for rear outlet
ABS solenoid valve is shorted, or an output voltage is much higher
than the specified value due to short to battery.
ABS motor turns ON when control unit sends OFF signal. ABS motor circuit is open or
shorted to ground.
ABS motor turns OFF when control unit sends ON
signzl. Relay control wire is broken.
FR RH OUT ABS SOL
[SHORT]
FR LH OUT ABS SOL
[SHORT]
REAR
OUT ABS SOL
[SHORT]
ABS MOTOR
[ON FAILURE]
ABS motor,
motor relay
and circuit
ABS
MOTOR
[OFF FAILURE]

TCS/ABS SYSTEM
CONSULT
for TCSfABS Control Unit Control
System (Cont'd)
DATA MONITOR MODE --
I ~elect-monitor item I
Display
signals Selection from
Remarks
menu
FR RH SEN
[kmlh] Displays vehicle speed computed based on
front right wheel sensor signal.
zc
FR LH SEN [kmlh] Displays
vehicle speed computed based on
front left wheel sensor signal.
AT
Displays vehicle speed computed based on
rear right wheel sensor signal.
Displays vehicle speed computed based on
rear left wheel sensor signal.
REAR
SEN
[kmlhll
RR LH SEN
lkmlhll
FIR IN SOL [ON-OFF]
I O
FIR OUT SOL [ON-OFF] /
lndicates operating condition (ONIOFF) for 87 front right inlet solenoid.
lndicates operating condition (ONIOFF) for
front right outlet solenoid.
Rs
FIL IN SOL O
A FIL OUT SOL [ON-OFF] /
lndicates operating condition (ONIOFF) for
front left inlet solenoid.
y- 13 u -:-.!
Indicates operating condition (ONIOFF) for
1 front left outlet solenoid. --
REAR IN SOL [ON-OFq / A I Indicates operating condition (ONIOFF) for
" I rear inlet solenoid.
RR OUT SOL [ON-OFF]
/
ABS ACTUATOR [ON-OFF]
- - .
O
O
0
0
ABS MOTOR [ON-OFFI I - I 0
-
lndicates operating condition (ONIOFF) for SC rear outlet solenoid.
lndicates ABS actuator relay status
(ON1
OFF). Indicates
ABS motor relay status
(ONIOFF).
Indicates stop lamp switch status
(ONIOFF).
STOP LAMP SW
[ON-OFFl
I 0 I 0
ENG SPEED SIG [RUNISTOP] I 0 I 0 0 I lndicates engine operation.
WARNING LAMP
[ON-OFF]
I - I 0 0 I lndicates ABS warning lamp status.
BATTERY VOLT
iv I
I lidicates the voltage supplied to the TCSI n
THRTL OPENING 1x1 1 0 I 0
V
0
THL OP TARGET [%I I - 1 0
ABS control unit.
Indicates throttle angle condition.
- - -
lndcates throttle control unit target angle. 0-1- -- - -- - -
lndicates the value at which fuel to ECM is
cut off.
lndicates the gear position.
lndicates TCS switch status (ONIOFF).
TCS
MODE
GEAR
1016-
0 I lndicates TCS OFF indicator lamp status.
TCS
SW [ON-OFF]*
TCS OFF LAMP [ON-OFF]
SLIP
LAMP [ON-OFF]
0 I lndicates SLlP indicator lamp status.
I I
*: The TCS switch only indicates that the switch is ON or OFF. It does not necessarily correspond to the TCS operation condi-
tion (TCS OFF indicator lamp OFF or ON).
-
0
-
-
lndicates the selector position (ONIOFF)
based on the
A/T PNP switch signal or the
neutral position switch signal.
-
0
0
0
PIN POSl SIG
[ON-OFFI
I

TCS/ABS SYSTEM
Self-diagnosis for TCS/ABS Control Unit
control System (Cont'd)
Example: Code No. 25 Front left wheel sensor (open-circutt)
lnd~cat~on
start Start code No.
12
HOW TO ERASE SELF-DIAGNOSTIC RESULTS
(Malfunction codes)
1. Turn the ianition switch "ON" and start the engine.
ABS warnlng lamp - ON
ABS warning lamp
OFF
2. Drive the iehicle at approx. 30 km/h for appfox. 1 minute to
check that there
is no other malfunction.
3. Stop the vehicle and turn the ignition switch "OFF'. I88
4. Ground the self-diagnostic check terminal 4 on the data link
connector for CONSULT.
5. Turn the ignition switch "ONn to start the self-diagnostic results /,%@A
mode.
I---------- -------------- -?-I 3 06 0.9 03C303 3 3 06 3.6 06 09 030303030303030303
Unit: seconds BRG1185D
Tens drglts Units drgits Code No. 25
I -----l
7. Under the self-diagnostic results mode, the malfunction
memory erase mode starts when the check terminal
is discon-
nected from the ground.
8. Ground the check terminal 3 times or more in succession
-.
self-d~agnosts complete
SLlP ndicator lamp i
I ON r
f OFF - c 4 i
ground J Erase -- - - - - - - - - -i - - - - ---f2.i geconds-- - - - - - - .. t mode
Malfunct~on
memory
Malfunct~on
memory
IS erase mode starts. 1s erased. BRZOO~~D
within 12.5 seconds after the erase mode starts. (Each ground-
ing must be
2 seconds or longer.)
9. Disconnect the grounding cable from the check terminal to
erase the malfunction memory and complete the
self-diagno-
-----
CAUTION:
Keep terminal 4 grounded during self-diagnosis. Do not EL
depress the brake pedal during self-diagnosis. Do not start the
engine.
6. The SLIP indicator lamp starts blinking to indicate the malfunc- SD
tion code No. 3 or 4 seconds after the self-diagnostic results
mode is started.
The indication terminates after 5 minutes. Turning the igni-
tion switch from
"OFF" to "ON" resumes blinking the indi-
cation. During the SLlP indicator lamp operation shown
above,
TCS OFF indicator lamp and ABS warning lamp are
lit.
sis.
10. Rerun the self-diagnostic results mode to verify that the mal-
function codes have been erased.
0 When the malfunction codes have been erased, the start
code No.
12 is only indicated.
11. Disconnect the check terminal from the ground. The self-diag-
nostic results mode is now complete.
12. Drive vehicle at approx. 30 kdh for approx. 1 minute, and then
check that the
TCS OFF indicator lamp, the SLlP indicator
lamp
and the ABS warning lamp are OFF.
13. Turn the ignition switch "OFF.

TCS/ABS SYSTEM
Self-diagnosis for TCSfABS Control Unit
Control System (Cont'd)
MALFUNCTION CODE/SYMPTOM CHART I I I
75, 'I:
'2: '3: '4:
'5:
Fail-safe operation is not activated. A signal from control unit suspends TCS and ABS control operation. Brakes operate
conventionally and the vehicle operates in the same manner as a vehicle without the TCS. After specified battery voltage
resumes, the TCS
OFF indicator lamp and the ABS warning lamp go off, allowing for TCS and ABS control operation.
TCS operation only stops and fail-safe operation is activated, allowing for ABS control operation.
Malfunction is detected only when TCS is in operation.
When there are malfunctions in the self-diagnostic check terminal circuit (terminal
4 of the data link connector for CONSULT)
and SLlP indicator lamp circuit, fail-safe operation is not activated.
Some malfunctions in the
TCS/ABS
control unit cause the SLlP indicator lamp and the
ABS warning lamp to go off sepa-
rately.
Malfunc-
tion code
No.
12
21 22
25
26
31
32
35
36
41
42
45
46
55
56
57
58
61
63
71
75
80
83
84
85
86
NO indi-
cation
(no blink-
ing)
NOTE:
When the
80, 83,
84, 85 or 86 is indicated, perform the self-diaqnosis for ECM-TCM or ECM.
Check
item
Normal
Front right wheel sensor (open-circuit)
Front right wheel sensor (short-circuit)
Front left wheel sensor (open-circuit)
Front left wheel sensor (short-circuit)
Rear right wheel sensor (open-circuit)
Rear right wheel sensor (short-circuit)
Rear left wheel sensor (open-circuit)
Rear left wheel sensor (short-circuit)
Front right outlet solenoid valve and circuit
Front right inlet solenoid valve and circuit
Front left outlet solenoid valve and circuit
Front left inlet solenoid valve and circuit
Rear outlet solenoid valve and circuit
Rear right inlet solenoid valve and circuit
Battery voltage (low)
Throttle control unit system or circuit for the corn-
munication
line between TCSIABS control unit
and
throttle control unit
Actuator motor and motor relay circuit
Actuator relay circuit
TCSIABS
control
unit
Total control signal (multiple signal) for engine,
IVT
and TCS/ABS
Engine speed signal
Monitoring of total control signal (multiple signal) for
engine,
AfT and TCS/ABS
Engine system component fuel condition
Incomplete start process of total control signal (mul-
tiple signal) for engine,
AfT and TCSIABS
Continuous start process of total control signal
(multiple signal) for engine, and
TCS/ABS
Remains OFF: Data link connector circuit
Remains ON: SLIP indicator lamp circuit shorted,
TCSIABS
control unit or self-diagnostic check termi-
nal circuit open
malfunction code No. 58 is indicated, perform the Detection
Engine
running
-
0 -
0
-
0 -
0 -
0
0
0
0
0
0
0
0
0
0
0
0
-
0
0
0
0
0
0
throttle control time
In driving
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 -
0'3
0
0
0
0
0
0
unit
a Fail-safe
operation
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-'I
0
0
0
0
0
0
0
0
0
0
-'4
-'4
code Nos.
ABS
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-*2
0
0
05
-
-
-
-
-
-
-
0
self-diagnosis. Lamp
ON
TCS OFF
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-
0
When the SLlP
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0'5
0
0
0
0
0
0
-
0
malfunction

ELECTRIC SUPER HICAS
INSPECTION BEFORE DRIVING
Check fluid leakage from power steering components (gear, pump, piping, etc.), and check whether the
fluid level is within the proper range.
Check whether tire size and inflation pressure are within the specified limits. Check also whether the
steering wheel is a genuine part, and whether a non-genuine control unit is attached.
Check whether wheel alignment is within the specified limits.
Check whether suspension system is modified, and whether the modification, if any, has increased the
vehicle weight.
INSPECTION DURING DRIVING
Check facts about trouble (what, when, where, who, why and how).
Check whether the engine is running in good condition.
System Description
This system contains two functions for SUPER HICAS: self-diagnosis function and fail-safe function.
For self-diagnosis function, refer to "SELF-DIAGNOSIS PROCEDURE on pages ST-7 and
ST-12.
FAIL-SAFE FUNCTION
If the system detects some error, it halts the normal control and enters the fail-safe mode.
In this event, the system notifies the driver of a malfunction by turning ON the HICAS warning lamp.
The fail-safe mode is canceled when ignition switch
is turned OFF. If, however, the fail-safe mode is caused
by a vehicle speed signal error, it is automatically canceled when the signal is restored before the ignition
switch is turned OFF.
HICAS WARNING LAMP
When the system is in normal condition, HICAS warning lamp is turned ON by switching the ignition ON, and
is turned OFF after engine has started.

ELECTRIC SUPER HICAS
Control
Unit Input/Output Signal Specifications
USING CIRCUIT TESTER
Terminal No.
Check item Specification
When control unit is disconnected
: Continuity exists.
Control unit ground circuit
Motor driving output signal
When ignition switch is
ON : Power supply voltage
(In fail-safe mode
: OV)
Motor voltage
When vehicle speed is
0 krn/h : Approx. 4.4 - 6.6V
When vehicle speed is
100 km/h : Approx. 2.4 - 3.6V EPS solenoid driving signal
Battery voltage
I Power supply voltage
Data link connector for CONSULT
(TX) I -
Engine speed signal Measure
tachometer driving signal.
Refer to EC section YECM (TCM) Input/Output Signal
Reference
Value7
.
When ignition switch is ON : Power supply voltage
When ignition switch is OFF
: OV Ignition voltage
Body
/ ground HlCAS waming
lamp When HlCAS warning
lamp is ON
: Approx. OV
When
HlCAS
warning
lamp
is
OFF : Approx. 12V
When ignition switch is ON : Approx. 12V
(In fail-safe mode : Approx. OV)
Output
signal for driving motor relay
Data link connector for CONSULT
(RX) I -
Stop lamp switch signal
(Send brake pedal operation signal to control unit.) When
pedal is depressed : Power supply voltage
When
pedal is not depressed
: OV
Continuity exists.
v Steering angle sensor 2
Steering angle sensor 1
Body
ground When steering wheel
is turned, the voltage changes
between 0 and 5V.
Ground
circuit for rear steering angle sensor
Output signal of rear steering angle sensor
I When neutral : Approx. 2.4V
-
Neutral signal of rear steering angle sensor
When ignition switch is ON
When ignition switch is
OFF
--
When neutral : Appro~. 5V
: Approx. 5V
: Approx. OV Power supply for rear steering angle sensor

ELECTRIC SUPER HlCAS
Control Unit
Input/Output Signal Specifications
(Cont'd)
USING CONSULT
The displayed output signals represent the control unit com-
puted data. If the output circuit (harness) should
be open,
correct values may be displayed.
Monitor item
VHCL SPEED SE
[km/hj
STOP LAMP SW
[ON-OFF] Data monitor
I Condition
Specification
--
STEERING ANG Steering
wheel is turned right Steering angle (degrees) mea-
[R/Ll or left. sured from neutral position
NEUTRAL SIG Steering wheel is in neutral When neutral: ON
[ON-OFF] position
or turned right or left. When
turned (right or left): OFF
Brake pedal operation Check
item
Vehicle is running or driving
wheels are turning.
Steering angle sensor circuit
Approximately
equal to speed-
ometer reading
When pedal is depressed: ON
When pedal is not depressed:
I OFF
In neutral position:
Approx.
2.4V Vehicle
speed sensor circuit
Stop lamp switch circuit
ENGINE SPEED
[r~ml
1"l I Actuator is operating in active I In right lock position:
test. Engine
is running.
Approx. 4.4V
in left lock position:
Approx.
0.4V
Rear steering angle sensing
system
Approximately
equal to tachom-
eter reading
POWER STR SOL
[A1
Wiring
in ECM-HICAS control
unit
MOTOR CURRENT
PI
Vehicle speed is changed from
0 to 100 krnh.
HlCAS RELAY
[ON-OFF]
FAILSAFE
[ON-OFF] At
0 km/h:
Approx. 1.1 0A
At
100 krn/h: Approx. 0.48A
WARNING LAMP
[ON-OFF] System related to power steer-
ing solenoid output signal
RR ST
ANG-VOL
[Vl
MOTOR VOLTAGE
[vl
Actuator is operating in active
test.
Ignition switch is ON or engine
is running.
I Power supply system for
OK
if output current is detected
during operation Motor
and its power supply
system
1 signal from control unit
When ignition
switch is ON: ON
Not in operation HICAS
motor relay
System related to relay driving
Check malfunctioning parts
using self-diagnosis and data
monitor.
Approx.
5V
When warning lamp is ON: ON
When warning lamp is OFF:
OFF
Rear steering angle sensing
system Warning
lamp circuit
Power supply voltage Motor power
supply system
C/U
VOLTAGE
[VI Control unit power supply cir-
cuit
Ignition
switch is ON or engine
is running. Power
supply voltage

ELECTRIC SUPER HICAS
Trouble
Diagnosis with CONSULT (Cont'd)
SELF-DIAGNOSTIC RESULTS MOI -- - - -
Diagnostic item
Diagnostic item is detected when ...
Vehicle speed signal changes rapidly during
running.
I Remarks
VEHICLE SPEED SEN
[SIGNAL
TURN](.b)
I This code appears also when
engine is idling at
1,500 rpm
or faster for more than 10
, seconds; in this case, it does
not indicate abnormality.
Vehicle speed signal is not sensed for more
than
10 seconds while the vehicle is running
at
1,500 rpm of engine speed.
CODE
54
STEERING
ANGLE SEN
[NO ANG
SIG](.a) Steering angle does not change for a while
when vehicle is running at 60
km,h or faster.
Steering angle from neutral position is kept at
60" degrees or more for a certain time when
vehicle is running
at 50 km/h or faster.
Steering angle from neutral position is kept at
30" degrees or more while vehicle travels a
certain distance.
STEERING
ANGLE SEN
[ANG SIG
FIX](.e)
STEERING ANGLE
SEN
[ANG
F1X3O0](-g)
STEERING ANGLE SEN
[NO NEUT
SIG](.b)
No neutral signal (ON signal) is sensed while
vehicle travels a certain distance.
No neutral signal (ON signal) is sensed while
steering wheel is turned more than
360'.
No neutral signal (OFF signal) is sensed while
steering wheel is turned more than
50"
degrees.
STEERING ANGLE
SEN
[NEU SIG
OFF](.c)
STEERING
ANGLE SEN
[NEUT SIG
ON](.d) - - --
a When steering wheel
is turned 360" after the
detection of neutral signal, the neutral signal is
sensed for
a certain period of time.
STEERING ANGLE
SEN
[OFFSET
NEUTJ(.f)
For a certain
period of time, input signal from
main sensor shows abnormality against sensor
power supply voltage.
a When input signal from main sefisor shows
2.5+1 V, input signal from sub-sensor shows
abnormality against sensor power supply volt-
age for a certain period of time.
RR
ST ANGLE SENSOR
[MAIN
SIGNAL](.a)
RR ST ANGLE SENSOR
[SUB
SIGNALJ(.b)
- -
Input signals from main sensor and sub-sen-
sor show more than a certain amount of differ-
ence from each other.
The voltage is higher or lower than the stan-
dard value.
RR
ST ANGLE SENSOR
[OFFSET SIG](-C)
RR ST ANGLE SENSOR
[ABNORMAL
VOL](.d)
r
a Engine speed shows an abnormally low value
for a certain period of time when vehicle is
running at
2 krnlh or faster.
ENG
REV SIGNAL
[ABNORMAL SIGNAL]
a When HlCAS motor relay is ON, motor power
supply voltage shows an abnormally lower
value than ignition power supply voltage.
When control unit keeps motor power OFF, the
motor power voltage shows a non-zero value
for a certain period of time.
MOTOR VOLTAGE
[LOW VOLTAGE](-a)
MOTOR VOLTAGE
[BAD
OBSTRCT](.b)
When a motor current is more than IOA, the
actual output of the motor shows an abnor-
mally low value for a certain period of time.
MOTOR
OUTPUT
[ABNORML
SIG](.a)
- -
MOTOR OUTPUT
[REV CURRENTJ(-C) When motor output is kept ON, a reverse cur-
rent is flowing.

ELECTRIC SUPER HtCAS
Trouble Diagnosis with CONSULT (Cont'd)
DATA MONITOR MODE
1 Monitor item (
Display
Main Menu - -
/ item I item 1
Remarks
VHCL SPEED SE (kmh) 1 0 I 0 I Shows a value calculated from vehicle speed sensor signal.
STEERING ANG After
battery has been disconnected and connected again, an
abnormal value is shown until neutral position
(0") is detected.
NEUTRAL SIG (ON-OFF)
( 0 ( 0 I Shows whether steering wheel is in neutral position (ONIOFF).
STOP
LAMP SW (ON-OFF) I 0 I 0 I Shows whether stop lamp switch is ON or OFF.
ENGINE SPEED Shows the engine speed caicuiated from crankshaft position sen-
sor signal.
1 I I
RR ST ANG.MAI (V) I 0 I 0 I Shows the output voltage from rear steering angle main sensor.
POWER STR SOL
RR
ST
ANG.SUB
(V)
Shows the control
unit's control current for power steering sole-
(')
' ' 1 noid. -- - - -- - -
MOTOR CURRENT (A) I 0 I 0 I shows the control unit's control current for HICAS motor relay.
0
HlCAS RELAY (ON-OFF) / 0 I 0 I Shows whether HlCAS motor relay is ON or OFF.
FAILSAFE
(ON-OFF)
I 0 I 0 I Shows whether fail-safe function is in operation (ONIOFF).
0
WARNING LAMP (ON-OFF) I Q I 0 ) Shows the control unit3 ON-OFF status of HlCAS warning lamp.
Shows the output
voltage from rear steering angle sub-sensor.
Shows the power supply voltage from HICAS control unit to rear
steering angle sensor.
CIU VOLTAGE (V) ( 0 I 0 I Shows the power supply voltage to HICAS control unit.
MOTOR VOLTAGE Shows the power supply voltage
from HICAS
control unit to
HlCAS motor.
- -- - -- VOLTAGE (V) I - I 0 I Shows the measured value by voltage probe.
PULSE Shows the measured
value by pulse probe.
If measurement
is
(mi, Hi and %I 1 - / 0 1 impossible, "#" appears. The "#" mark is shown also on the left of
final data until measurement is completed.