Infiniti FX35, FX50 (S51). Manual — part 1814

DIAGNOSIS SYSTEM (TCM)

TM-63

< SYSTEM DESCRIPTION >

[7AT: RE7R01A (VQ35HR)]

C

E

F

G

H

I

J

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B

TM

N

O

P

ATF TEMP 1

(

°

C or

°

F)

X

X

Displays the ATF temperature of oil pan calculat-
ed from the signal voltage of A/T fluid tempera-
ture sensor.

ATF TEMP 2

(

°

C or

°

F)

X

X

Displays the ATF temperature estimated value of
torque converter outlet calculated from the signal
voltage of A/T fluid temperature sensor.

ATF TEMP SE 1

(V)

—

—

Displays the signal voltage of A/T fluid tempera-
ture sensor.

BATTERY VOLT

(V)

X

—

Displays the power supply voltage of TCM.

LINE PRES SOL

(A)

—

X

Displays the command current from TCM to the
line pressure solenoid.

TCC SOLENOID

(A)

—

X

Displays the command current from TCM to the
torque converter clutch solenoid.

L/B SOLENOID

(A)

—

X

Displays the command current from TCM to the
low brake solenoid.

FR/B SOLENOID

(A)

—

X

Displays the command current from TCM to the
front brake solenoid.

HLR/C SOL

(A)

—

X

Displays the command current from TCM to the
high and low reverse clutch solenoid.

I/C SOLENOID

(A)

—

X

Displays the command current from TCM to the
input clutch solenoid.

D/C SOLENOID

(A)

—

X

Displays the command current from TCM to the
direct clutch solenoid.

2346/B SOL

(A)

—

X

Displays the command current from TCM to the
2346 brake solenoid.

L/P SOL MON

(A)

—

—

Monitors the command current from TCM to the
line pressure solenoid, and displays the monitor
value.

TCC SOL MON

(A)

—

—

Monitors the command current from TCM to the
torque converter clutch solenoid, and displays
the monitor value.

L/B SOL MON

(A)

—

—

Monitors the command current from TCM to the
low brake solenoid, and displays the monitor val-
ue.

FR/B SOL MON

(A)

—

—

Monitors the command current from TCM to the
front brake solenoid, and displays the monitor
value.

HLR/C SOL MON

(A)

—

—

Monitors the command current from TCM to the
high and low reverse clutch solenoid, and dis-
plays the monitor value.

I/C SOL MON

(A)

—

—

Monitors the command current from TCM to the
input clutch solenoid, and displays the monitor
value.

D/C SOL MON

(A)

—

—

Monitors the command current from TCM to the
direct clutch solenoid, and displays the monitor
value.

2346/B SOL MON

(A)

—

—

Monitors the command current from TCM to the
2346 brake solenoid, and displays the monitor
value.

GEAR RATIO

—

X

Displays the gear ratio calculated from input rev-
olution and output revolution.

Monitored item (Unit)

Monitor Item Selection

Remarks

ECU IN-

PUT SIG-

NALS

MAIN

SIGNALS

SELEC-

TION

FROM

ITEM

TM-64

< SYSTEM DESCRIPTION >

[7AT: RE7R01A (VQ35HR)]

DIAGNOSIS SYSTEM (TCM)

ENGINE TORQUE

(Nm)

—

—

Displays the engine torque estimated value re-
ceived via CAN communication.

ENG TORQUE D

(Nm)

—

—

Displays the engine torque estimated value re-
flected the requested torque of each control unit
received via CAN communication.

INPUT TRQ S

(Nm)

—

—

Displays the input torque using for the oil pres-
sure calculation process of shift change control.

INPUT TRQ L/P

(Nm)

—

—

Displays the input torque using for the oil pres-
sure calculation process of line pressure control.

TRGT PRES L/P

(kPa, kg/cm

2

or psi)

—

—

Displays the target oil pressure value of torque
converter clutch solenoid valve calculated by the
oil pressure calculation process of lock-up con-
trol.

TRGT PRES TCC

(kPa, kg/cm

2

or psi)

—

—

Displays the target oil pressure value of torque
converter clutch solenoid valve calculated by the
oil pressure calculation process of shift change
control.

TRGT PRES L/B

(kPa, kg/cm

2

or psi)

—

—

Displays the target oil pressure value of low
brake solenoid valve calculated by the oil pres-
sure calculation process of shift change control.

TRGT PRE FR/B

(kPa, kg/cm

2

or psi)

—

—

Displays the target oil pressure value of front
brake solenoid valve calculated by the oil pres-
sure calculation process of shift change control.

TRG PRE HLR/C

(kPa, kg/cm

2

or psi)

—

—

Displays the target oil pressure value of high and
low reverse clutch solenoid valve calculated by
the oil pressure calculation process of shift
change control.

TRGT PRES I/C

(kPa, kg/cm

2

or psi)

—

—

Displays the target oil pressure value of input
clutch solenoid valve calculated by the oil pres-
sure calculation process of shift change control.

TRGT PRES D/C

(kPa, kg/cm

2

or psi)

—

—

Displays the target oil pressure value of direct
clutch solenoid valve calculated by the oil pres-
sure calculation process of shift change control.

TRG PRE 2346/B

(kPa, kg/cm

2

or psi)

—

—

Displays the target oil pressure value of 2346
brake solenoid valve calculated by the oil pres-
sure calculation process of shift change control.

SHIFT PATTERN

—

—

Displays the gear change data using the shift pat-
tern control.

VEHICLE SPEED

(km/h or mph)

—

—

Displays the vehicle speed for control using the
control of TCM.

RANGE SW 4

(ON/OFF)

X

—

Displays the operation status of transmission
range switch 4.

RANGE SW 3

(ON/OFF)

X

—

Displays the operation status of transmission
range switch 3.

RANGE SW 2

(ON/OFF)

X

—

Displays the operation status of transmission
range switch 2.

RANGE SW 1

(ON/OFF)

X

—

Displays the operation status of transmission
range switch 1.

SFT DWN ST SW

(ON/OFF)

X

—

• Displays the operation status of paddle shifter

(down switch).

• Not mounted but displayed.

Monitored item (Unit)

Monitor Item Selection

Remarks

ECU IN-

PUT SIG-

NALS

MAIN

SIGNALS

SELEC-

TION

FROM

ITEM

DIAGNOSIS SYSTEM (TCM)

TM-65

< SYSTEM DESCRIPTION >

[7AT: RE7R01A (VQ35HR)]

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TM

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SFT UP ST SW

(ON/OFF)

X

—

• Displays the operation status of paddle shifter

(up switch).

• Not mounted but displayed.

DOWN SW LEVER

(ON/OFF)

X

—

Displays the operation status of selector lever
(down switch).

UP SW LEVER

(ON/OFF)

X

—

Displays the operation status of selector lever (up
switch).

NON M-MODE SW

(ON/OFF)

X

—

Displays whether the selector lever is in any po-
sition other than manual shift gate position.

MANU MODE SW

(ON/OFF)

X

—

Displays whether the selector lever is in the man-
ual shift gate position.

DS RANGE

(ON/OFF)

—

—

Displays whether it is the DS mode.

1 POSITION SW

(ON/OFF)

X

—

• Displays the reception status of 1 position

switch signal received via CAN communica-
tion.

• Not mounted but displayed.

OD CONT SW

(ON/OFF)

X

—

• Displays the reception status of overdrive con-

trol switch signal received via CAN communi-
cation.

• Not mounted but displayed.

BRAKESW

(ON/OFF)

X

—

Displays the reception status of stop lamp switch
signal received via CAN communication.

POWERSHIFT SW

(ON/OFF)

X

—

• Displays the reception status of POWER mode

signal received via CAN communication.

• Not mounted but displayed.

ASCD-OD CUT

(ON/OFF)

X

—

Displays the reception status of ASCD OD cancel
request signal received via CAN communication.

ASCD-CRUISE

(ON/OFF)

X

—

Displays the reception status of ASCD operation
signal received via CAN communication.

ABS SIGNAL

(ON/OFF)

X

—

Displays the reception status of ABS operation
signal received via CAN communication.

TCS GR/P KEEP

(ON/OFF)

X

—

Displays the reception status of TCS gear keep
request signal received via CAN communication.

TCS SIGNAL 2

(ON/OFF)

X

—

Displays whether the reception value of A/T shift
schedule change demand signal received via
CAN communication is “cold”.

TCS SIGNAL 1

(ON/OFF)

X

—

Displays whether the reception value of A/T shift
schedule change demand signal received via
CAN communication is “warm”.

LOW/B PARTS

(FAIL/NOTFAIL)

—

—

In “Final fail-safe” mode, displays whether the
identified malfunction point judged by TCM is the
related parts of low brake.

HC/IC/FRB PARTS

(FAIL/NOTFAIL)

—

—

In “Final fail-safe” mode, displays whether the
identified malfunction point judged by TCM is the
related parts of high and low reversed clutch, in-
put clutch or front brake.

IC/FRB PARTS

(FAIL/NOTFAIL)

—

—

In “Final fail-safe” mode, displays whether the
identified malfunction point judged by TCM is the
related parts of input clutch or front brake.

Monitored item (Unit)

Monitor Item Selection

Remarks

ECU IN-

PUT SIG-

NALS

MAIN

SIGNALS

SELEC-

TION

FROM

ITEM

TM-66

< SYSTEM DESCRIPTION >

[7AT: RE7R01A (VQ35HR)]

DIAGNOSIS SYSTEM (TCM)

DTC & SRT CONFIRMATION

HLR/C PARTS

(FAIL/NOTFAIL)

—

—

In “Final fail-safe” mode, displays whether the
identified malfunction point judged by TCM is the
related parts of high and low reversed clutch.

W/O THL POS

(ON/OFF)

X

—

Displays the kickdown condition signal status re-
ceived via CAN communication.

CLSD THL POS

(ON/OFF)

X

—

Displays the idling status signal status received
via CAN communication.

DRV CST JUDGE

(DRIVE/COAST)

—

—

Displays the judgment results of “driving” or
“coasting” judged by TCM.

SHIFT IND SIGNAL

—

—

Displays the transmission value of shift position
signal transmitted via CAN communication.

STARTER RELAY

(ON/OFF)

—

—

Displays the command status from TCM to start-
er relay.

F-SAFE IND/L

(ON/OFF)

—

—

Displays the transmission status of A/T CHECK
indicator lamp signal transmitted via CAN com-
munication.

ATF WARN LAMP

(ON/OFF)

—

—

• Displays the transmission status of ATF tem-

perature signal transmitted via CAN communi-
cation.

• Not mounted but displayed.

MANU MODE IND

(ON/OFF)

—

—

Displays the transmission status of manual mode
signal transmitted via CAN communication.

ON OFF SOL MON

(ON/OFF)

—

—

Monitors the command value from TCM to the
anti-interlock solenoid, and displays the monitor
status.

START RLY MON

(ON/OFF)

—

—

Monitors the command value from TCM to the
starter relay, and displays the monitor status.

ON OFF SOL

(ON/OFF)

—

—

Displays the command status from TCM to anti-
interlock solenoid.

SLCT LVR POSI

—

X

Displays the shift positions recognized by TCM.

GEAR

—

X

Displays the current transmission gear position
recognized by TCM.

NEXT GR POSI

—

—

Displays the target gear position of gear change
that is calculated based on the vehicle speed in-
formation and throttle information.

SHIFT MODE

—

—

Displays the transmission driving mode recog-
nized by TCM.

D/C PARTS

(FAIL/NOTFAIL)

—

—

In “Final fail-safe” mode, displays whether the
identified malfunction point judged by TCM is the
related parts of direct clutch.

FR/B PARTS

(FAIL/NOTFAIL)

—

—

In “Final fail-safe” mode, displays whether the
identified malfunction point judged by TCM is the
related parts of front brake.

2346/B PARTS

(FAIL/NOTFAIL)

—

—

In “Final fail-safe” mode, displays whether the
identified malfunction point judged by TCM is the
related parts of 2346 brake.

2346B/DC PARTS

(FAIL/NOTFAIL)

—

—

In “Final fail-safe” mode, displays whether the
identified malfunction point judged by TCM is the
related parts of 2346 brake or direct clutch.

Monitored item (Unit)

Monitor Item Selection

Remarks

ECU IN-

PUT SIG-

NALS

MAIN

SIGNALS

SELEC-

TION

FROM

ITEM