Nissan Terrano r20e. Instruction — part 5
JUDGEMENT OF SELF-DIAGNOSIS CODE
SPORT indicator lamps
All judgement flickers are same.
SAT819H
All circuits that can be confirmed by self-diagnosis are OK.
4th judgement flicker is longer than others.
SAT797H
Shift solenoid valve A circuit is short-circuited or discon-
nected.
Go to SHIFT SOLENOID VALVE A, AT-63.
1st judgement flicker is longer than others.
SAT794H
Revolution sensor circuit is short-circuited or disconnected.
Go to VEHICLE SPEED SENSOR
⋅
A/T (REVOLUTION
SENSOR), AT-50.
5th judgement flicker is longer than others.
SAT798H
Shift solenoid valve B circuit is short-circuited or discon-
nected.
Go to SHIFT SOLENOID VALVE B, AT-66.
2nd judgement flicker is longer than others.
SAT795H
Vehicle speed sensor circuit is short-circuited or discon-
nected.
Go to VEHICLE SPEED SENSOR
⋅
MTR, AT-54.
6th judgement flicker is longer than others.
SAT799H
Overrun clutch solenoid valve circuit is short-circuited or dis-
connected.
Go to OVERRUN CLUTCH SOLENOID VALVE, AT-69.
3rd judgement flicker is longer than others.
SAT796H
Throttle (accelerator) position sensor circuit is short-circuited
or disconnected.
Go to THROTTLE (ACCELERATOR) POSITION
SENSOR, AT-60.
7th judgement flicker is longer than others.
SAT800H
Torque converter clutch solenoid valve circuit is short-cir-
cuited or disconnected.
Go to TORQUE CONVERTER CLUTCH SOLENOID
VALVE, AT-72.
t
1
= 2.5 seconds
t
2
= 2.0 seconds
t
3
= 1.0 second
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Self-diagnosis (Cont’d)
AT-17
SPORT indicator lamps
8th judgement flicker is longer than others.
SAT801H
A/T fluid temperature sensor is disconnected or TCM power
source circuit is damaged.
Go to A/T FLUID TEMPERATURE SENSOR AND TCM
POWER SOURCE, AT-76.
Flickers as shown below.
SAT804H
Battery power is low.
Battery has been disconnected for a long time.
Battery is connected conversely.
(When reconnecting TCM connectors. — This is not a prob-
lem.)
9th judgement flicker is longer than others.
SAT802H
Engine speed signal circuit is short-circuited or disconnected.
Go to ENGINE SPEED SIGNAL, AT-80.
Does not come on.
SAT805H
Park/neutral position, overdrive control or throttle (accelera-
tor) position switches circuit is disconnected or TCM is dam-
aged.
Go to PARK/NEUTRAL POSITION, OVERDRIVE CON-
TROL AND THROTTLE (ACCELERATOR) POSITION
SWITCHES, AT-88.
10th judgement flicker is longer than others.
SAT803H
Line pressure solenoid valve circuit is short-circuited or dis-
connected.
Go to LINE PRESSURE SOLENOID VALVE, AT-84.
t
4
= 1.0 second
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Self-diagnosis (Cont’d)
AT-18
HOW TO ERASE SELF-DIAGNOSTIC RESULTS
(With CONSULT-II)
1. If the ignition switch stays “ON” after repair work, be sure to turn
ignition switch “OFF” once. Wait for at least 5 seconds and then
turn it “ON” again.
2. Turn CONSULT-II “ON”, and touch “A/T”.
3. Touch “SELF-DIAG RESULTS”.
4. Touch “ERASE”. (The self-diagnostic results will be erased.)
HOW TO ERASE SELF-DIAGNOSTIC RESULTS
(Without CONSULT-II)
1. If the ignition switch stays “ON” after repair work, be sure to turn
ignition switch “OFF” once. Wait for at least 5 seconds and then
turn it “ON” again.
2. Perform “SELF-DIAGNOSTIC PROCEDURE (Without CON-
SULT-II)”. Refer to AT-15.
3. Turn ignition switch “OFF”. (The self-diagnostic results will be
erased.)
SAT014K
SEF949Y
SAT970J
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Self-diagnosis (Cont’d)
AT-19
Diagnosis by CONSULT-II
NOTICE
1. The CONSULT-II electrically displays shift timing and lock-up timing (that is, operation timing of each
solenoid).
Check for time difference between actual shift timing and the CONSULT-II display. If the difference is
noticeable, mechanical parts (except solenoids, sensors, etc.) may be malfunctioning. Check mechanical
parts using applicable diagnostic procedures.
2. Shift schedule (which implies gear position) displayed on CONSULT-II and that indicated in Service Instruction
may differ slightly. This occurs because of the following reasons:
I
Actual shift schedule has more or less tolerance or allowance,
I
Shift schedule indicated in Service Instruction refers to the point where shifts start. Gear position displayed
on CONSULT-II indicates the point where shifts are completed.
3. Shift solenoid valve “A” or “B” is displayed on CONSULT-II at the start of shifting. Gear position is displayed
upon completion of shifting (which is computed by TCM).
4. Additional CONSULT-II information can be found in the Operation Instruction supplied with the CONSULT-II
unit.
SELF-DIAGNOSTIC RESULT TEST MODE
Refer to AT-14.
DATA MONITOR DIAGNOSTIC TEST MODE
Item
Display
Monitor item
Description
Remarks
ECU
input
signals
Main
signals
Vehicle speed sensor 1
(A/T)
(Revolution sensor)
VHCL/S SE
⋅
A/T
[km/h] or [mph]
X
—
I
Vehicle speed computed from signal
of revolution sensor is displayed.
When racing engine in “N” or “P” posi-
tion with vehicle stationary, CON-
SULT-II data may not indicate
0 km/h (0 MPH).
Vehicle speed sensor 2
(Meter)
VHCL/S SE
⋅
MTR
[km/h] or [mph]
X
—
I
Vehicle speed computed from signal
of vehicle speed sensor is dis-
played.
Vehicle speed display may not be
accurate under approx. 10 km/h
(6 MPH). It may not indicate 0 km/h (0
MPH) when vehicle is stationary.
Throttle (accelerator)
position sensor
THRTL POS SEN
[V]
X
—
I
Throttle (accelerator) position sen-
sor signal voltage is displayed.
A/T fluid temperature
sensor
FLUID TEMP SE
[V]
X
—
I
A/T fluid temperature sensor signal
voltage is displayed.
I
Signal voltage lowers as fluid tem-
perature rises.
Battery voltage
BATTERY VOLT
[V]
X
—
I
Source voltage of TCM is displayed.
Engine speed
ENGINE SPEED
[rpm]
X
X
I
Engine speed, computed from
engine speed signal, is displayed.
Engine speed display may not be
accurate under approx. 800 rpm. It
may not indicate 0 rpm even when
engine is not running.
Overdrive control switch
OVERDRIVE SW
[ON/OFF]
X
—
I
ON/OFF state computed from signal
of overdrive control SW is displayed.
P/N position switch
P/N POSI SW
[ON/OFF]
X
—
I
ON/OFF state computed from signal
of P/N position SW is displayed.
R position switch
R POSITION SW
[ON/OFF]
X
—
I
ON/OFF state computed from signal
of R position SW is displayed.
D position switch
D POSITION SW
[ON/OFF]
X
—
I
ON/OFF state computed from signal
of D position SW is displayed.
2 position switch
2 POSITION SW
[ON/OFF]
X
—
I
ON/OFF status, computed from sig-
nal of 2 position SW, is displayed.
1 position switch
1 POSITION SW
[ON/OFF]
X
—
I
ON/OFF status, computed from sig-
nal of 1 position SW, is displayed.
ASCD-cruise signal
ASCD
⋅
CRUISE
[ON/OFF]
X
—
I
Status of ASCD cruise signal is dis-
played.
ON ... Cruising state
OFF ... Normal running state
I
This is displayed even when no
ASCD is mounted.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
AT-20
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