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Home >> Infiniti >> 2012 >> G25 Base >> Repair and Diagnosis >> Transmission >> Automatic Transmission (Sedan) >> System Description >> Diagnosis System (TCM) >> CONSULT Function >> Data Monitor
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Data Monitor

X: Standard, -: Not applicable, O : Option
Monitored item (Unit) Monitor Item Selection Remarks
ECU INPUT SIGNALS MAIN SIGNALS SELECTION FROM ITEM
VHCL/S SE-A/T (km/h or mph) X X O Displays the vehicle speed calculated by the TCM from the output shaft revolution.
ESTM VSP SIG (km/h or mph) X - O Displays the vehicle speed signal received via CAN communication.
OUTPUT REV (rpm) X X O Displays the output shaft revolution calculated from the pulse signal of output speed sensor.
INPUT SPEED (rpm) X X O Displays the input speed calculated from front sun gear revolution and front carrier revolution.
F SUN GR REV (rpm) - - O Displays the front sun gear revolution calculated from the pulse signal of input speed sensor 1.
F CARR GR REV (rpm) - - O Displays the front carrier gear revolution calculated from the pulse signal of input speed sensor 2.
ENGINE SPEED (rpm) X X O Displays the engine speed received via CAN communication.
TC SLIP SPEED (rpm) - X O Displays the revolution difference between input speed and engine speed.
ACCELE POSI (0.0/8) X - O Displays the accelerator position estimated value received via CAN communication.
THROTTLE POSI (0.0/8) X X O Displays the throttle position received via CAN communication.
ATF TEMP 1 (°C or °F) X X O Displays the ATF temperature of oil pan calculated from the signal voltage of A/T fluid temperature sensor.
ATF TEMP 2 (°C or °F) X X O 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) - - O Displays the signal voltage of A/T fluid temperature sensor.
BATTERY VOLT (V) X - O Displays the power supply voltage of TCM.
LINE PRES SOL (A) - X O Displays the command current from TCM to the line pressure solenoid.
TCC SOLENOID (A) - X O Displays the command current from TCM to the torque converter clutch solenoid.
L/B SOLENOID (A) - X O Displays the command current from TCM to the low brake solenoid.
FR/B SOLENOID (A) - X O Displays the command current from TCM to the front brake solenoid.
HLR/C SOL (A) - X O Displays the command current from TCM to the high and low reverse clutch solenoid.
I/C SOLENOID (A) - X O Displays the command current from TCM to the input clutch solenoid.
D/C SOLENOID (A) - X O Displays the command current from TCM to the direct clutch solenoid.
2346/B SOL (A) - X O Displays the command current from TCM to the 2346 brake solenoid.
L/P SOL MON (A) - - O Monitors the command current from TCM to the line pressure solenoid, and displays the monitor value.
TCC SOL MON (A) - - O Monitors the command current from TCM to the torque converter clutch solenoid, and displays the monitor value.
L/B SOL MON (A) - - O Monitors the command current from TCM to the low brake solenoid, and displays the monitor value.
FR/B SOL MON (A) - - O Monitors the command current from TCM to the front brake solenoid, and displays the monitor value.
HLR/C SOL MON (A) - - O Monitors the command current from TCM to the high and low reverse clutch solenoid, and displays the monitor value.
I/C SOL MON (A) - - O Monitors the command current from TCM to the input clutch solenoid, and displays the monitor value.
D/C SOL MON (A) - - O Monitors the command current from TCM to the direct clutch solenoid, and displays the monitor value.
2346/B SOL MON (A) - - O Monitors the command current from TCM to the 2346 brake solenoid, and displays the monitor value.
GEAR RATIO   - X O Displays the gear ratio calculated from input speed and output revolution.
ENGINE TORQUE (Nm) - - O Displays the engine torque estimated value received via CAN communication.
ENG TORQUE D (Nm) - - O Displays the engine torque estimated value reflected the requested torque of each control unit received via CAN communication.
INPUT TRQ S (Nm) - - O Displays the input torque using for the oil pressure calculation process of shift change control.
INPUT TRQ L/P (Nm) - - O Displays the input torque using for the oil pressure calculation process of line pressure control.
TRGT PRES L/P (kPa) - - O Displays the target oil pressure value of torque converter clutch solenoid valve calculated by the oil pressure calculation process of lock-up control.
TRGT PRES TCC (kPa, kg/cm2 or psi) - - O 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/cm2 or psi) - - O Displays the target oil pressure value of low brake solenoid valve calculated by the oil pressure calculation process of shift change control.
TRGT PRE FR/B (kPa, kg/cm2 or psi) - - O Displays the target oil pressure value of front brake solenoid valve calculated by the oil pressure calculation process of shift change control.
TRG PRE HLR/C (kPa, kg/cm2 or psi) - - O 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/cm2 or psi) - - O Displays the target oil pressure value of input clutch solenoid valve calculated by the oil pressure calculation process of shift change control.
TRGT PRES D/C (kPa, kg/cm2 or psi) - - O Displays the target oil pressure value of direct clutch solenoid valve calculated by the oil pressure calculation process of shift change control.
TRG PRE 2346/B (kPa, kg/cm2 or psi) - - O Displays the target oil pressure value of 2346 brake solenoid valve calculated by the oil pressure calculation process of shift change control.
SHIFT PATTERN   - - O Displays the gear change data using the shift pattern control.
VEHICLE SPEED (km/h or mph) - - O Displays the vehicle speed for control using the control of TCM.
RANGE SW 4 (ON/OFF) X - O Displays the operation status of transmission range switch 4.
RANGE SW 3 (ON/OFF) X - O Displays the operation status of transmission range switch 3.
RANGE SW 2 (ON/OFF) X - O Displays the operation status of transmission range switch 2.
RANGE SW 1 (ON/OFF) X - O Displays the operation status of transmission range switch 1.
SFT DWN ST SW (ON/OFF) X - O Displays the operation status of paddle shifter (down switch).
SFT UP ST SW (ON/OFF) X - O Displays the operation status of paddle shifter (up switch).
DOWN SW LEVER (ON/OFF) X - O Displays the operation status of selector lever (down switch).
UP SW LEVER (ON/OFF) X - O Displays the operation status of selector lever (up switch).
NON M-MODE SW (ON/OFF) X - O Displays whether the selector lever is in any position other than manual shift gate position.
MANU MODE SW (ON/OFF) X - O Displays whether the selector lever is in the manual shift gate position.
DS RANGE (ON/OFF) - - O Displays whether it is the DS mode.
1 POSITION SW (ON/OFF) X - O
  • Displays the reception status of 1 position switch signal received via CAN communication.
  • Not mounted but displayed.
OD CONT SW (ON/OFF) X - O
  • Displays the reception status of overdrive control switch signal received via CAN communication.
  • Not mounted but displayed.
BRAKESW (ON/OFF) X - O Displays the reception status of stop lamp switch signal received via CAN communication.
POWERSHIFT SW (ON/OFF) X - O
  • Displays the reception status of POWER mode signal received via CAN communication.
  • Not mounted but displayed.
ASCD-OD CUT (ON/OFF) X - O Displays the reception status of ASCD OD cancel request signal received via CAN communication.
ASCD-CRUISE (ON/OFF) X - O Displays the reception status of ASCD operation signal received via CAN communication.
ABS SIGNAL (ON/OFF) X - O Displays the reception status of ABS operation signal received via CAN communication.
TCS GR/P KEEP (ON/OFF) X - O Displays the reception status of TCS gear keep request signal received via CAN communication.
TCS SIGNAL 2 (ON/OFF) X - O 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 - O Displays whether the reception value of A/T shift schedule change demand signal received via CAN communication is "warm".
LOW/B PARTS (FAIL/NOTFAIL) - - O Displays whether the identified malfunction point judged by TCM is the related parts of low brake.
HC/IC/FRB PARTS (FAIL/NOTFAIL) - - O Displays whether the identified malfunction point judged by TCM is the related parts of high and low reversed clutch, input clutch or front brake.
IC/FRB PARTS (FAIL/NOTFAIL) - - O Displays whether the identified malfunction point judged by TCM is the related parts of input clutch or front brake.
HLR/C PARTS (FAIL/NOTFAIL) - - O 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 - O Displays the kickdown condition signal status received via CAN communication.
CLSD THL POS (ON/OFF) X - O Displays the idling status signal status received via CAN communication.
DRV CST JUDGE (DRIVE/COAST) - - O Displays the judgment results of "driving" or "coasting" judged by TCM.
SHIFT IND SIGNAL   - - O Displays the transmission value of shift position signal transmitted via CAN communication.
STARTER RELAY (ON/OFF) - - O Displays the command status from TCM to starter relay.
F-SAFE IND/L (ON/OFF) - - O Displays the transmission status of A/T CHECK indicator lamp signal transmitted via CAN communication.
ATF WARN LAMP (ON/OFF) - - O
  • Displays the transmission status of ATF temperature signal transmitted via CAN communication.
  • Not mounted but displayed.
MANU MODE IND (ON/OFF) - - O Displays the transmission status of manual mode signal transmitted via CAN communication.
ON OFF SOL MON (ON/OFF) - - O Monitors the command value from TCM to the anti-interlock solenoid, and displays the monitor status.
START RLY MON (ON/OFF) - - O Monitors the command value from TCM to the starter relay, and displays the monitor status.
ON OFF SOL (ON/OFF) - - O Displays the command status from TCM to anti-interlock solenoid.
SLCT LVR POSI   - X O Displays the shift positions recognized by TCM.
GEAR   - X O Displays the current transmission gear position recognized by TCM.
NEXT GR POSI   - - O Displays the target gear position of gear change that is calculated based on the vehicle speed information and throttle information.
SHIFT MODE   - - O Displays the transmission driving mode recognized by TCM.
D/C PARTS (FAIL/NOTFAIL) - - O Displays whether the identified malfunction point judged by TCM is the related parts of direct clutch.
FR/B PARTS (FAIL/NOTFAIL) - - O Displays whether the identified malfunction point judged by TCM is the related parts of front brake.
2346/B PARTS (FAIL/NOTFAIL) - - O Displays whether the identified malfunction point judged by TCM is the related parts of 2346 brake.
2346B/DC PARTS (FAIL/NOTFAIL) - - O Displays whether the identified malfunction point judged by TCM is the related parts of 2346 brake or direct clutch.
DTC WORK SUPPORT

Item Description Check item
1ST GR FNCTN P0731 Following items for "1GR incorrect ratio" can be confirmed.
  • Self-diagnosis status (whether the diagnosis is being performed or not)
  • Self-diagnostic results (OK or NG)
  • Input clutch solenoid valve
  • Front brake solenoid valve
  • Direct clutch solenoid valve
  • High and low reverse clutch solenoid valve
  • Low brake solenoid valve
  • 2346 brake solenoid valve
  • Anti-interlock solenoid valve
  • Each clutch and brake
  • Output speed sensor
  • Input speed sensor 1, 2
  • Hydraulic control circuit
2ND GR FNCTN P0732 Following items for "2GR incorrect ratio" can be confirmed.
  • Self-diagnosis status (whether the diagnosis is being performed or not)
  • Self-diagnostic results (OK or NG)
3RD GR FNCTN P0733 Following items for "3GR incorrect ratio" can be confirmed.
  • Self-diagnosis status (whether the diagnosis is being performed or not)
  • Self-diagnostic results (OK or NG)
4TH GR FNCTN P0734 Following items for "4GR incorrect ratio" can be confirmed.
  • Self-diagnosis status (whether the diagnosis is being performed or not)
  • Self-diagnostic results (OK or NG)
5TH GR FNCTN P0735 Following items for "5GR incorrect ratio" can be confirmed.
  • Self-diagnosis status (whether the diagnosis is being performed or not)
  • Self-diagnostic results (OK or NG)
6TH GR FNCTN P0729 Following items for "6GR incorrect ratio" can be confirmed.
  • Self-diagnosis status (whether the diagnosis is being performed or not)
  • Self-diagnostic results (OK or NG)
7TH GR FNCTN P1734 Following items for "7GR incorrect ratio" can be confirmed.
  • Self-diagnosis status (whether the diagnosis is being performed or not)
  • Self-diagnostic results (OK or NG)
TCC SOL FUNCTN CHECK Following items for "TCC solenoid function" can be confirmed.
  • Self-diagnosis status (whether the diagnosis is being performed or not)
  • Self-diagnostic results (OK or NG)
  • Harness or connectors
  • Torque converter clutch solenoid valve
  • Torque converter
  • Input speed sensor 1, 2
  • Hydraulic control circuit
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