2006 INFINITI M35 turn signal

ACS-28
[ICC]
TROUBLE DIAGNOSIS - GENERAL DESCRIPTION
Revision: 2006 January2006 M35/M45
CONSULT-II Function (ICC)NKS004CX
DESCRIPTION
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II BASIC OPERATION
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 carry out CAN communication.
1. Turn ignition switch OFF.
2. Connect CONSULT-II and CONSULT-II CONVERTER to the
data link connector.
3. Turn ignition switch ON.
4. Touch “START (NISSAN BASED VHCL)”.
5. Touch “ICC” on “SELECT SYSTEM” screen.
If “ICC” is not indicated, go to GI-40, "
CONSULT-II Data Link
Connector (DLC) Circuit" .
Test mode Function Reference page
WORK SUPPORT
Monitors aiming direction to facilitate laser beam aiming operation.
Indicates causes of automatic cancellation of the ICC system.ACS-29
SELF-DIAGNOSTIC RESULTS Displays malfunctioning system memorized in ICC sensor integrated unit.ACS-30
DATA MONITOR Displays real-time input/output data of ICC sensor integrated unit.ACS-30
CAN DIAG SUPPORT MNTR The results of transmit/receive diagnosis of CAN communication can be read.LAN-20
ACTIVE TEST Enables operation check of electrical loads by sending driving signal to them.ACS-33
ECU PART NUMBER Displays part number of ICC sensor integrated unit. —
SKIB3794E
BCIA0029E
BCIA0030E

TROUBLE DIAGNOSIS FOR SYMPTOMS
ACS-63
[ICC]
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Revision: 2006 January2006 M35/M45
Symptom 2: ICC System Cannot Be Set (MAIN Switch Turns ON/OFF)NKS004DL
The ICC system cannot be set in the following cases.
When the vehicle speed is not in range of approx. 25 MPH (40 km/h) to 90 MPH (144 km/h).
When the A/T selector lever is in “N”.
When A/T mode switch is at the snow mode position.
While the brake is in operation.
When wiper switch is at LOW/HI position.
1. CHECK CAUSE OF AUTOMATIC CANCELLATION
With CONSULT-II
With “CAUSE OF AUTO-CANCEL” in “WORK SUPPORT” at “ICC”, check if any cause of cancellation is
found.
Is any cause found?
YES >> Cancel with appropriate cause, and go to specified diagnosis.
“OPE SW VOLT CIRC”: Refer to ACS-47, "DTC 6 OPERATION SW CIRC" .
“VHCL SPD UNMATCH”: Refer to ACS-42, "DTC 3 VHCL SPEED SE CIRC" .
“IGN LOW VOLT”: Refer to ACS-41, "DTC 1 POWER SUPPLY CIR, DTC 2 POWER SUPPLY
CIR 2" .
“ECM CIRCUIT”: Refer to ACS-55, "DTC 14 ECM CIRCUIT" .
NO >> GO TO 2.
2. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
With CONSULT-II
Perform self-diagnosis to check for malfunctioning items.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item. Refer to ACS-39, "Diagnostic Trouble Code (DTC) Chart" .
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> GO TO 3.
3. CHECK SWITCHES AND VEHICLE SPEED SIGNAL
With CONSULT-II
With “ICC” “DATA MONITOR”, check if switches and vehicle speed signal operate normally. Refer to ACS-30,
"DATA MONITOR" .
VHCL SPEED SE
D RANGE SW
BRAKE SW
SET/COAST SW
OK or NG
OK >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and Perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NG >> Check items which do not function normally.
VHCL SPEED SE. Refer to ACS-42, "DTC 3 VHCL SPEED SE CIRC" .
D RANGE SW. Refer to ACS-64, "Symptom 4: ICC System Is Not Cancelled When the A/T
Selector Lever Is In Other Than “D” and “M”" .
BRAKE SW. Refer to ACS-43, "DTC 5 BRAKE SW/STOP L SW" .
SET/COAST SW. Refer to ACS-47, "DTC 6 OPERATION SW CIRC" .

AT-3
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AT
Revision: 2006 January2006 M35/M45 DTC P1762 DIRECT CLUTCH SOLENOID VALVE .155
Description ...........................................................155
CONSULT-II Reference Value ..............................155
On Board Diagnosis Logic ...................................155
Possible Cause ....................................................155
DTC Confirmation Procedure ...............................155
Diagnostic Procedure ...........................................156
DTC P1764 DIRECT CLUTCH SOLENOID VALVE
FUNCTION ..............................................................157
Description ...........................................................157
CONSULT-II Reference Value ..............................157
On Board Diagnosis Logic ...................................157
Possible Cause ....................................................157
DTC Confirmation Procedure ...............................157
Diagnostic Procedure ...........................................158
DTC P1767 HIGH AND LOW REVERSE CLUTCH
SOLENOID VALVE .................................................159
Description ...........................................................159
CONSULT-II Reference Value ..............................159
On Board Diagnosis Logic ...................................159
Possible Cause ....................................................159
DTC Confirmation Procedure ...............................159
Diagnostic Procedure ...........................................160
DTC P1769 HIGH AND LOW REVERSE CLUTCH
SOLENOID VALVE FUNCTION .............................161
Description ...........................................................161
CONSULT-II Reference Value ..............................161
On Board Diagnosis Logic ...................................161
Possible Cause ....................................................161
DTC Confirmation Procedure ...............................161
Diagnostic Procedure ...........................................162
DTC P1772 LOW COAST BRAKE SOLENOID
VALVE .....................................................................163
Description ...........................................................163
CONSULT-II Reference Value ..............................163
On Board Diagnosis Logic ...................................163
Possible Cause ....................................................163
DTC Confirmation Procedure ...............................163
Diagnostic Procedure ...........................................164
DTC P1774 LOW COAST BRAKE SOLENOID
VALVE FUNCTION .................................................165
Description ...........................................................165
CONSULT-II Reference Value ..............................165
On Board Diagnosis Logic ...................................165
Possible Cause ....................................................165
DTC Confirmation Procedure ...............................165
Diagnostic Procedure ..........................................
.166
DTC P1815 MANUAL MODE SWITCH ..................167
Description ...........................................................167
CONSULT-II Reference Value ..............................167
On Board Diagnosis Logic ...................................167
Possible Cause ....................................................167
DTC Confirmation Procedure ...............................167
Wiring Diagram — AT — MMSW .........................168
Diagnostic Procedure ...........................................170
Component Inspection .........................................171
DTC P1841 ATF PRESSURE SWITCH 1 ...............172
Description ...........................................................172
CONSULT-II Reference Value ..............................172On Board Diagnosis Logic ....................................172
Possible Cause .....................................................172
DTC Confirmation Procedure ...............................172
Diagnostic Procedure ...........................................173
DTC P1843 ATF PRESSURE SWITCH 3 ...............174
Description ............................................................174
CONSULT-II Reference Value ..............................174
On Board Diagnosis Logic ....................................174
Possible Cause .....................................................174
DTC Confirmation Procedure ...............................174
Diagnostic Procedure ...........................................175
DTC P1845 ATF PRESSURE SWITCH 5 ...............176
Description ............................................................176
CONSULT-II Reference Value ..............................176
On Board Diagnosis Logic ....................................176
Possible Cause .....................................................176
DTC Confirmation Procedure ...............................176
Diagnostic Procedure ...........................................177
DTC P1846 ATF PRESSURE SWITCH 6 ...............178
Description ............................................................178
CONSULT-II Reference Value ..............................178
On Board Diagnosis Logic ....................................178
Possible Cause .....................................................178
DTC Confirmation Procedure ...............................178
Diagnostic Procedure ...........................................179
MAIN POWER SUPPLY AND GROUND CIRCUIT .180
Wiring Diagram — AT — MAIN ............................180
Diagnostic Procedure ...........................................181
CLOSED THROTTLE POSITION AND WIDE OPEN
THROTTLE POSITION CIRCUIT ............................184
CONSULT-II Reference Value ..............................184
Diagnostic Procedure ...........................................184
BRAKE SIGNAL CIRCUIT ......................................185
CONSULT-II Reference Value ..............................185
Diagnostic Procedure ...........................................185
A/T INDICATOR CIRCUIT .......................................186
Description ............................................................186
CONSULT-II Reference Value ..............................186
Diagnostic Procedure ...........................................186
TROUBLE DIAGNOSIS FOR SYMPTOMS ............187
Wiring Diagram — AT — NONDTC ......................187
A/T CHECK Indicator Lamp Does Not Come On . 190
Engine Cannot Be Started in “P” or “N” Position ..190
In “P” Position, Vehicle Moves When Pushed ......191
In “N” Position, Vehicle Moves ..............................192
Large Shock (“N” to “D” Position) .........................193
Vehicle Does Not Creep Backward in “R” Position .195
Vehicle Does Not Creep Forward in “D” Position . 197
Vehicle Cannot Be Started from D
1 ......................199
A/T Does Not Shift: D
1 D2 ................................201
A/T Does Not Shift: D
2 D3 ................................203
A/T Does Not Shift: D
3 D4 ................................205
A/T Does Not Shift: D
4 D5 ................................207
A/T Does Not Lock-Up ..........................................209
A/T Does Not Hold Lock-Up Condition .................210
Lock-Up Is Not Released ......................................212
Engine Speed Does Not Return to Idle ................212
Cannot Be Changed to Manual Mode ..................213
A/T Does Not Shift: 5th Gear
4th Gear ............214

AT-40
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2006 January2006 M35/M45
ON BOARD DIAGNOSTIC (OBD) SYSTEMPFP:00028
IntroductionNCS001JX
The A/T system has two self-diagnostic systems.
The first is the emission-related on board diagnostic system (OBD-II) performed by the TCM in combination
with the ECM. The malfunction is indicated by the MIL (malfunction indicator lamp) and is stored as a DTC in
the ECM memory but not the TCM memory.
The second is the TCM original self-diagnosis indicated by the A/T CHECK indicator lamp. The malfunction is
stored in the TCM memory. The detected items are overlapped with OBD-II self-diagnostic items. For detail,
refer to AT- 9 2 , "
Display Items List" .
OBD-II Function for A/T SystemNCS001JY
The ECM provides emission-related on board diagnostic (OBD-II) functions for the A/T system. One function
is to receive a signal from the TCM used with OBD-related parts of the A/T system. The signal is sent to the
ECM when a malfunction occurs in the corresponding OBD-related part. The other function is to indicate a
diagnostic result by means of the MIL (malfunction indicator lamp) on the instrument panel. Sensors, switches
and solenoid valves are used as sensing elements.
The MIL automatically illuminates in “One or Two Trip Detection Logic” when a malfunction is sensed in rela-
tion to A/T system parts.
One or Two Trip Detection Logic of OBD-IINCS001JZ
ONE TRIP DETECTION LOGIC
If a malfunction is sensed during the first test drive, the MIL will illuminate and the malfunction will be stored in
the ECM memory as a DTC. The TCM is not provided with such a memory function.
TWO TRIP DETECTION LOGIC
When a malfunction is sensed during the first test drive, it is stored in the ECM memory as a 1st trip DTC
(diagnostic trouble code) or 1st trip freeze frame data. At this point, the MIL will not illuminate. — 1st trip
If the same malfunction as that experienced during the first test drive is sensed during the second test drive,
the MIL will illuminate. — 2nd trip
The “Trip” in the “One or Two Trip Detection Logic” means a driving mode in which self-diagnosis is performed
during vehicle operation.
OBD-II Diagnostic Trouble Code (DTC)NCS001K0
HOW TO READ DTC AND 1ST TRIP DTC
DTC and 1st trip DTC can be read by the following methods.
( with CONSULT-II or GST) CONSULT-II or GST (Generic Scan Tool) Examples: P0705, P0720 etc.
These DTC are prescribed by SAE J2012.
(CONSULT-II also displays the malfunctioning component or system.)
1st trip DTC No. is the same as DTC No.
Output of the diagnostic trouble code indicates that the indicated circuit has a malfunction. How-
ever, in case of the Mode II and GST, they do not indicate whether the malfunction is still occurring
or occurred in the past and returned to normal.
CONSULT-II can identify them as shown below, therefore, CONSULT-II (if available) is recom-
mended.
A sample of CONSULT-II display for DTC and 1st trip DTC is shown
on the next page. DTC or 1st trip DTC of a malfunction is displayed
in SELF-DIAGNOSTIC RESULTS mode for “ENGINE” with CON-
SULT-II. Time data indicates how many times the vehicle was driven
after the last detection of a DTC.
BCIA0030E

AT-44
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
TROUBLE DIAGNOSISPFP:00004
DTC Inspection Priority ChartNCS001K2
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
NOTE:
If DTC “U1000” is displayed with other DTC, first perform the trouble diagnosis for “DTC U1000 CAN
COMMUNICATION LINE”. Refer to AT- 1 0 5
.
Fail-safeNCS001K3
The TCM has an electrical fail-safe mode. This mode makes it possible to operate even if there is an error in a
main electronic control input/output signal circuit.
In fail-safe mode, even if the selector lever is “D” or “M” mode, the A/T is fixed in 2nd, 4th and 5th (depending
on the breakdown position), so the customer should feel “slipping” or “poor acceleration”.
Even when the electronic circuits are normal, under special conditions (for example, when slamming on the
brake with the wheels spinning drastically and stopping the tire rotation), the A/T can go into fail-safe mode. If
this happens, switch OFF the ignition switch for 10 seconds, then switch it ON again to return to the normal
shift pattern. Therefore, the customer's vehicle has returned to normal, so handle according to the “WORK
FLOW” (Refer to AT- 4 7
).
FAIL-SAFE FUNCTION
If any malfunction occurs in a sensor or solenoid, this function controls the A/T to mark driving possible.
Vehicle Speed Sensor
Signals are input from two systems - from vehicle speed sensor A/T (revolution sensor) installed on the A/
T and from combination meter so normal driving is possible even if there is a malfunction in one of the
systems. And if vehicle speed sensor A/T (revolution sensor) has unusual cases, 5th gear and manual
mode are prohibited.
Accelerator Pedal Position Sensor
If there is a malfunction in one of the systems, the accelerator opening angle is controlled by ECM accord-
ing to a pre-determined accelerator angle to make driving possible. And if there are malfunctions in tow
systems, the engine speed is fixed by ECM to a pre-determined engine speed to make driving possible.
Throttle Position Sensor
If there is a malfunction in one of the systems, the accelerator opening angle is controlled by ECM accord-
ing to a pre-determined accelerator angle to make driving possible. And if there are malfunctions in tow
systems, the accelerator opening angle is controlled by the idle signal sent from the ECM which is based
on input indicating either idle condition or off-idle condition (pre-determined accelerator opening) in order
to make driving possible.
PNP Switch
In the unlikely event that a malfunction signal enters the TCM, the position indicator is switched OFF, the
starter relay is switched OFF (starter starting is disabled), the back-up lamp relay switched OFF (back-up
lamp is OFF) and the position is fixed to the “D” position to make driving possible.
Starter Relay
The starter relay is switched OFF. (Starter starting is disabled.)
Priority Detected items (DTC)
1 U1000 CAN communication line
2 Except above

TROUBLE DIAGNOSIS
AT-49
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Revision: 2006 January2006 M35/M45
4
Perform all road tests and enter checks in required inspection items.AT- 5 7
4-1.Check before engine is started AT- 5 7
AT- 1 9 0 , "A/T CHECK Indicator Lamp Does Not Come On"
Perform self-diagnostics. Enter checks for detected items. AT- 9 2 ,AT-103
AT-105, "DTC U1000 CAN COMMUNICATION LINE"
AT-108, "DTC P0615 START SIGNAL CIRCUIT"
AT-112, "DTC P0700 TCM"
AT-113, "DTC P0705 PARK/NEUTRAL POSITION SWITCH"
AT-117, "DTC P0717 TURBINE REVOLUTION SENSOR"
AT-119, "DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)"
AT-124, "DTC P0725 ENGINE SPEED SIGNAL"
AT-126, "DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE"
AT-128, "DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)"
AT-130, "DTC P0745 LINE PRESSURE SOLENOID VALVE"
AT-132, "DTC P1705 THROTTLE POSITION SENSOR"
AT-135, "DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT"
AT-140, "DTC P1721 VEHICLE SPEED SENSOR MTR"
AT-142, "DTC P1730 A/T INTERLOCK"
AT-145, "DTC P1731 A/T 1ST ENGINE BRAKING"
AT-147, "DTC P1752 INPUT CLUTCH SOLENOID VALVE"
AT-149, "DTC P1754 INPUT CLUTCH SOLENOID VALVE FUNCTION"
AT-151, "DTC P1757 FRONT BRAKE SOLENOID VALVE"
AT-153, "DTC P1759 FRONT BRAKE SOLENOID VALVE FUNCTION"
AT-155, "DTC P1762 DIRECT CLUTCH SOLENOID VALVE"
AT-157, "DTC P1764 DIRECT CLUTCH SOLENOID VALVE FUNCTION"
AT-159, "DTC P1767 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE"
AT-161, "DTC P1769 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE
FUNCTION"
AT-163, "DTC P1772 LOW COAST BRAKE SOLENOID VALVE"
AT-165, "DTC P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION"
AT-167, "DTC P1815 MANUAL MODE SWITCH"
AT-172, "DTC P1841 ATF PRESSURE SWITCH 1"
AT-174, "DTC P1843 ATF PRESSURE SWITCH 3"
AT-176, "DTC P1845 ATF PRESSURE SWITCH 5"
AT-178, "DTC P1846 ATF PRESSURE SWITCH 6"
4-2.Check at IdleAT- 5 7
AT- 1 9 0 , "Engine Cannot Be Started in “P” or “N” Position"
AT- 1 9 1 , "In “P” Position, Vehicle Moves When Pushed"
AT- 1 9 2 , "In “N” Position, Vehicle Moves"
AT- 1 9 3 , "Large Shock (“N” to “D” Position)"
AT- 1 9 5 , "Vehicle Does Not Creep Backward in “R” Position"
AT- 1 9 7 , "Vehicle Does Not Creep Forward in “D” Position"
4-3.Cruise TestAT- 5 9
Part 1
AT- 1 9 9 , "Vehicle Cannot Be Started from D1"
AT- 2 0 1 , "A/T Does Not Shift: D1 D2"
AT- 2 0 3 , "A/T Does Not Shift: D2 D3"
AT- 2 0 5 , "A/T Does Not Shift: D3 D4"
AT- 2 0 7 , "A/T Does Not Shift: D4 D5"
AT- 2 0 9 , "A/T Does Not Lock-Up"
AT- 2 1 0 , "A/T Does Not Hold Lock-Up Condition"
AT- 2 1 2 , "Lock-Up Is Not Released"
AT- 2 1 2 , "Engine Speed Does Not Return to Idle"

AT-88
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
68
OthersEngine does not start
in “N” or “P” position.
Refer to AT-190, "Engine Cannot Be
Started in “P” or “N”
Position" .ON vehicle1. Push-button ignition switch and starterPG-3
, SC-
10
2. Control linkage adjustmentAT- 2 2 7
3. PNP switchAT- 11 3
69Engine starts in posi-
tions other than “N” or
“P”.ON vehicle1. Push-button ignition switch and starterPG-3
, SC-
10
2. Control linkage adjustmentAT- 2 2 7
3. PNP switchAT- 11 3
70 Engine stall.ON vehicle1. A/T fluid level and stateAT- 5 3
2. Engine speed signalAT- 1 2 4
3. Turbine revolution sensorAT- 11 7
4. Torque converter clutch solenoid valveAT- 1 2 6
5. CAN communication lineAT- 1 0 5
6. Control valve with TCMAT- 2 3 6
OFF vehicle 7. Torque converterAT- 2 9 8
71Engine stalls when
selector lever shifted
“N”
“D”or “R”.ON vehicle1. A/T fluid level and stateAT- 5 3
2. Engine speed signalAT- 1 2 4
3. Turbine revolution sensorAT- 11 7
4. Torque converter clutch solenoid valveAT- 1 2 6
5. CAN communication lineAT- 1 0 5
6. Control valve with TCMAT- 2 3 6
OFF vehicle 7. Torque converterAT- 2 9 8
72Engine speed does
not return to idle.
Refer to AT-212,
"Engine Speed Does
Not Return to Idle" .ON vehicle1. A/T fluid level and stateAT- 5 3
2. ATF pressure switch 5 and direct clutch solenoid valveAT- 1 7 6,
AT- 1 5 5

3. ATF pressure switch 1 and front brake solenoid valveAT- 1 7 2
,
AT- 1 5 1
4. Accelerator pedal position sensorAT- 1 3 2
5. Vehicle speed sensorꞏA/T and vehicle speed sensorꞏMTRAT- 11 9,
AT- 1 4 0
6. CAN communication lineAT- 1 0 5
7. Control valve with TCMAT- 2 3 6
OFF vehicle8. Front brake (brake band)AT- 2 9 89. Direct clutchAT- 3 3 7
No. Item Symptom Condition Diagnostic ItemReference
page

AT-92
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
CONSULT-II SETTING PROCEDURE
Refer to GI-39, "CONSULT-II Start Procedure" .
SELF-DIAGNOSTIC RESULT MODE
After performing self-diagnosis, place check marks for results on the AT- 4 8 , "DIAGNOSTIC WORKSHEET" .
Reference pages are provided following the items.
Operation Procedure
1. Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE”
screen.
Display shows malfunction experienced since the last erasing
operation.
Display Items List
X: Applicable, —: Not applicable
BCIA0031E
Items (CONSULT-
II screen terms)Malfunction is detected when...TCM self-
diagnosisOBD-II (DTC)
Reference
page
“A/T” with
CONSULT-IIMIL indicator
lamp*1,
“ENGINE” with
CONSULT-II or
GST
CAN COMM CIR-
CUIT
When a malfunction is detected in CAN communications. U1000 U1000AT-105
STARTER RELAY/
CIRC
If this signal is ON other than in “P” or “N” position, this is
judged to be a malfunction.
(And if it is OFF in “P” or “N” position, this too is judged to
be a malfunction.)P0615 —AT-108
TCMTCM is malfunctioning P0700 P0700AT- 11 2
PNP SW/CIRC
PNP switch 1-4 signals input with impossible pattern.
“P” position is detected from “N” position without any other
position being detected in between.P0705 P0705AT- 11 3
TURBINE REV S/
CIRC
TCM does not receive the proper voltage signal from the
sensor.
TCM detects an irregularity only at position of 4th gear for
turbine revolution sensor 2.P0717 P0717AT- 11 7
VEH SPD SEN/
CIR AT
Signal from vehicle speed sensor A/T (revolution sensor)
not input due to cut line or the like.
Unexpected signal input during running.
After ignition switch is turned ON, unexpected signal input
from vehicle speed sensor MTR before the vehicle starts
moving.P0720 P0720AT- 11 9
ENGINE SPEED
SIGTCM does not receive the CAN communication signal from
the ECM.P0725 P0725*3AT-124
TCC SOLENOID/
CIRCNormal voltage not applied to solenoid due to cut line,
short, or the like.P0740 P0740AT-126
A/T TCC S/V
FNCTNA/T cannot perform lock-up even if electrical circuit is good.
TCM detects as irregular by comparing difference value
with slip rotation.P0744 P0744*2AT-128