Infiniti QX56 (JA60). Manual — part 933
![](/vehicles/zatt/vend/genn/rngr.png)
TM-34
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (TCM)
*1: Refer to
EC-55, "Malfunction Indicator Lamp (MIL)"
*2:These malfunctions cannot be displayed MIL if another malfunction is assigned to MIL.
DATA MONITOR MODE
Display Items List
X: Standard, —: Not applicable
L C BRAKE SOLENOID
• TCM detects an improper voltage drop when it tries to
operate the solenoid valve.
• Condition of ATF pressure switch 2 is different from
monitor value, and relation between gear position and
actual gear ratio is irregular.
P1774
P1774*2
NO DTC IS DETECTED
FURTHER TESTING
MAY BE REQUIRED
• No NG item has been detected.
X
X
—
Items (CONSULT-III
screen terms)
Malfunction is detected when...
TCM self-di-
agnosis
OBD (DTC)
Reference
“TRANSMIS-
SION” with
CONSULT-III
MIL indicator
lamp*1, “EN-
GINE” with
CONSULT-III or
GST
Monitored item (Unit)
Monitor Item Selection
Remarks
ECU IN-
PUT SIG-
NALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
VHCL/S SE-A/T (km/h)
X
X
X
Output speed sensor
VHCL/S SE-MTR (km/h)
X
—
X
—
ACCELE POSI (0.0/8)
X
—
X
Accelerator pedal position signal
THROTTLE POSI (0.0/8)
X
X
X
Degree of opening for accelerator recognized by
the TCM.
For fail-safe operation, the specific value used
for control is displayed.
CLSD THL POS (ON-OFF display)
X
—
X
Signal input with CAN communications.
W/O THL POS (ON-OFF display)
X
—
X
BRAKESW (ON-OFF display)
X
—
X
Stop lamp switch
GEAR
—
X
X
Gear position recognized by the TCM updated
after gear-shifting.
ENGINE SPEED (rpm)
X
X
X
—
INPUT SPEED (rpm)
X
X
X
—
OUTPUT REV (rpm)
X
X
X
—
GEAR RATIO
—
X
X
—
TC SLIP SPEED (rpm)
—
X
X
Difference between engine speed and torque
converter input shaft speed.
F SUN GR REV (rpm)
—
—
X
—
F CARR GR REV (rpm)
—
—
X
—
ATF TEMP SE 1 (V)
X
—
X
—
ATF TEMP 1 (
°C)
—
X
X
—
ATF TEMP 2 (
°C)
—
X
X
—
BATTERY VOLT (V)
X
—
X
—
ATF PRES SW 1 (ON-OFF display)
X
X
X
—
ATF PRES SW 2 (ON-OFF display)
X
X
X
(for LC/B solenoid)
![](/vehicles/zatt/vend/genn/xieey.png)
DIAGNOSIS SYSTEM (TCM)
TM-35
< FUNCTION DIAGNOSIS >
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
ATF PRES SW 3 (ON-OFF display)
X
X
X
—
ATF PRES SW 5 (ON-OFF display)
X
X
X
—
ATF PRES SW 6 (ON-OFF display)
X
X
X
—
RANGE SW 1 (ON-OFF display)
X
—
X
—
RANGE SW 2 (ON-OFF display)
X
—
X
—
RANGE SW 3 (ON-OFF display)
X
—
X
—
RANGE SW 4 (ON-OFF display)
X
—
X
—
SLCT LVR POSI
—
X
X
Selector lever position is recognized by the TCM.
For fail-safe operation, the specific value used
for control is displayed.
1 POSITION SW (ON-OFF display)
X
—
X
1st position switch
OD CONT SW (ON-OFF display)
X
—
X
4th position switch
POWERSHIFT SW (ON-OFF display)
X
—
X
Not mounted but displayed.
HOLD SW (ON-OFF display)
X
—
X
DS RANGE (ON-OFF display)
—
—
X
MANU MODE SW (ON-OFF display)
X
—
X
NON M-MODE SW (ON-OFF display)
X
—
X
UP SW LEVER (ON-OFF display)
X
—
X
DOWN SW LEVER (ON-OFF display)
X
—
X
SFT UP ST SW (ON-OFF display)
—
—
X
SFT DWN ST SW (ON-OFF display)
—
—
X
ASCD-OD CUT (ON-OFF display)
—
—
X
—
ASCD-CRUISE (ON-OFF display)
—
—
X
—
ABS SIGNAL (ON-OFF display)
—
—
X
—
ACC OD CUT (ON-OFF display)
—
—
X
ICC (Intelligent cruise control)
ACC SIGNAL (ON-OFF display)
—
—
X
TCS GR/P KEEP (ON-OFF display)
—
—
X
—
TCS SIGNAL 2 (ON-OFF display)
—
—
X
—
TCS SIGNAL 1 (ON-OFF display)
—
—
X
—
TCC SOLENOID (A)
—
X
X
—
LINE PRES SOL (A)
—
X
X
—
I/C SOLENOID (A)
—
X
X
—
FR/B SOLENOID (A)
—
X
X
—
D/C SOLENOID (A)
—
X
X
—
HLR/C SOL (A)
—
X
X
—
ON OFF SOL (ON-OFF display)
—
—
X
LC/B solenoid
TCC SOL MON (A)
—
—
X
—
L/P SOL MON (A)
—
—
X
—
I/C SOL MON (A)
—
—
X
—
FR/B SOL MON (A)
—
—
X
—
D/C SOL MON (A)
—
—
X
—
HLR/C SOL MON (A)
—
—
X
—
Monitored item (Unit)
Monitor Item Selection
Remarks
ECU IN-
PUT SIG-
NALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
![](/vehicles/zatt/vend/genn/rorutad.png)
TM-36
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (TCM)
ONOFF SOL MON (ON-OFF display)
—
—
X
LC/B solenoid
P POSI IND (ON-OFF display)
—
—
X
—
R POSI IND (ON-OFF display)
—
—
X
—
N POSI IND (ON-OFF display)
—
—
X
—
D POSI IND (ON-OFF display)
—
—
X
—
4TH POSI IND (ON-OFF display)
—
—
X
—
3RD POSI IND (ON-OFF display)
—
—
X
—
2ND POSI IND (ON-OFF display)
—
—
X
—
1ST POSI IND (ON-OFF display)
—
—
X
—
MANU MODE IND (ON-OFF display)
—
—
X
Not mounted but displayed.
POWER M LAMP (ON-OFF display)
—
—
X
F-SAFE IND/L (ON-OFF display)
—
—
X
—
ATF WARN LAMP (ON-OFF display)
—
—
X
—
BACK-UP LAMP (ON-OFF display)
—
—
X
—
STARTER RELAY (ON-OFF display)
—
—
X
—
RANGE SW3M (ON-OFF display)
—
—
X
—
C/V CLB ID1
—
—
X
—
C/V CLB ID2
—
—
X
—
C/V CLB ID3
—
—
X
—
UNIT CLB ID1
—
—
X
—
UNIT CLB ID2
—
—
X
—
UNIT CLB ID3
—
—
X
—
TRGT GR RATIO
—
—
X
—
TRGT PRES TCC (kPa)
—
—
X
—
TRGT PRES L/P (kPa)
—
—
X
—
TRGT PRES I/C (kPa)
—
—
X
—
TRGT PRE FR/B (kPa)
—
—
X
—
TRGT PRES D/C (kPa)
—
—
X
—
TRG PRE HLR/C (kPa)
—
—
X
—
SHIFT PATTERN
—
—
X
—
DRV CST JUDGE
—
—
X
—
START RLY MON
—
—
X
—
NEXT GR POSI
—
—
X
—
SHIFT MODE
—
—
X
—
MANU GR POSI
—
—
X
—
VEHICLE SPEED (km/h)
—
X
X
Vehicle speed recognized by the TCM.
Voltage (V)
—
—
X
Displays the value measured by the voltage
probe.
Monitored item (Unit)
Monitor Item Selection
Remarks
ECU IN-
PUT SIG-
NALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
![](/vehicles/zatt/vend/genn/ldeve.png)
DIAGNOSIS SYSTEM (TCM)
TM-37
< FUNCTION DIAGNOSIS >
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
DTC & SRT CONFIRMATION
DTC Work Support Mode
Diagnosis Procedure without CONSULT-III
INFOID:0000000005148527
OBD-II SELF-DIAGNOSTIC PROCEDURE (WITH GST)
EC-72, "Generic Scan Tool (GST) Function"
OBD-II SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
EC-55, "Malfunction Indicator Lamp (MIL)"
.
TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
Description
When the ignition switch is switched “ON”, the A/T CHECK indicator lamp lights up for 2 seconds. As a method
for locating the suspect circuit, when the self-diagnostics start signal is input, the memory for the malfunction
location is output and the A/T CHECK indicator lamp flashes to display the corresponding DTC.
Diagnostic Procedure
1.
CHECK A/T CHECK INDICATOR LAMP
1. Start the engine with selector lever in “P” position. Warm engine to normal operating temperature.
2. Turn ignition switch ON and OFF at least twice, then leave it in the OFF position.
3. Wait 10 seconds.
4. Turn ignition switch ON. (Do not start engine.)
Frequency (Hz)
—
—
X
The value measured by the pulse probe is dis-
played.
DUTY-HI (high) (%)
—
—
X
DUTY-LOW (low) (%)
—
—
X
PLS WIDTH-HI (ms)
—
—
X
PLS WIDTH-LOW (ms)
—
—
X
Monitored item (Unit)
Monitor Item Selection
Remarks
ECU IN-
PUT SIG-
NALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
DTC work support item
Description
Check item
1ST GR FNCTN P0731
Following items for “1GR function ratio” be confirmed.
• Self-diagnosis status (whether the diagnosis is being performed
or not)
• Self-diagnosis result (OK or NG)
• Input clutch solenoid valve
• Front brake solenoid valve
• Direct clutch solenoid valve
• High and low reverse clutch
solenoid valve
• Each clutch
• Hydraulic control circuit
valve
2ND GR FNCTN P0732
Following items for “2GR function ratio” be confirmed.
• Self-diagnosis status (whether the diagnosis is being performed
or not)
• Self-diagnosis result (OK or NG)
3RD GR FNCTN P0733
Following items for “3GR function ratio” be confirmed.
• Self-diagnosis status (whether the diagnosis is being performed
or not)
• Self-diagnosis result (OK or NG)
4TH GR FNCTN P0734
Following items for “4GR function ratio” be confirmed.
• Self-diagnosis status (whether the diagnosis is being performed
or not)
• Self-diagnosis result (OK or NG)
5TH GR FNCTN P0735
Following items for “5GR function ratio” be confirmed.
• Self-diagnosis status (whether the diagnosis is being performed
or not)
• Self-diagnosis result (OK or NG)
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