Nissan Titan. Manual — part 589
DIAGNOSIS SYSTEM (TCM)
TM-39
< SYSTEM DESCRIPTION >
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
4GR INCORRECT RA-
TIO
• A/T cannot shift to 4GR
P0734
P0734
5GR INCORRECT RA-
TIO
• A/T cannot shift to 5GR
P0735
P0735
TORQUE CONVERT-
ER
• Normal voltage not applied to solenoid due to cut line,
short, or the like
P0740
P0740
TORQUE CONVERT-
ER
• A/T cannot perform lock-up even if electrical circuit is
good.
• TCM detects as irregular by comparing difference val-
ue with slip rotation.
P0744
P0744*2
PC SOLENOID A
• Normal voltage not applied to solenoid due to cut line,
short, or the like
• TCM detects as irregular by comparing target value
with monitor value.
P0745
P0745
TP SENSOR
• TCM does not receive the proper accelerator pedal po-
sition signals (input by CAN communication) from
ECM.
P1705
—
TRANS FLUID TEMP
SEN
• During running, the ATF temperature sensor signal
voltage is excessively high or low
• A/T fluid temperature does not rise to the specified
temperature after driving for a certain period of time.
• There is a certain temperature difference between A/
T fluid and engine coolant.
P1710
P0710
VEHICLE SPEED SIG-
NAL
• Vehicle speed signal (CAN communication) from com-
bination meter not input due to cut line or the like
• Unexpected signal input during running
P1721
—
INTERLOCK
• Except during shift change, the gear position and ATF
pressure switch states are monitored and comparative
judgment made.
P1730
P1730
1GR E/BRAKING
• Each ATF pressure switch and solenoid current is
monitored and if a pattern is detected having engine
braking 1GR other than in the "1" position, a malfunc-
tion is detected.
P1731
—
INPUT CLUTCH SOL
• Normal voltage not applied to solenoid due to function-
al malfunction, cut line, short, or the like
• TCM detects as irregular by comparing target value
with monitor value.
P1752
P1752
FR BRAKE SOLENOID
• Normal voltage not applied to solenoid due to function-
al malfunction, cut line, short, or the like
• TCM detects as irregular by comparing target value
with monitor value.
P1757
P1757
DRCT CLUTCH SOL
• Normal voltage not applied to solenoid due to cut line,
short, or the like
• TCM detects as irregular by comparing target value
with monitor value.
P1762
P1762
HLR CLUTCH SOLE-
NOID
• Normal voltage not applied to solenoid due to function-
al malfunction, cut line, short, or the like
• TCM detects as irregular by comparing target value
with monitor value.
P1767
P1767
L C BRAKE SOLENOID
• Normal voltage not applied to solenoid due to function-
al malfunction, cut line, short, or the like
P1772
P1772
Items (CONSULT
screen terms)
Malfunction is detected when...
TCM self-di-
agnosis
OBD (DTC)
Reference
page
“TRANSMIS-
SION” with
CONSULT
MIL indicator
lamp*1, “EN-
GINE” with
CONSULT or
GST
TM-40
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (TCM)
*1: Refer to
EC-46, "DIAGNOSIS DESCRIPTION : Malfunction Indicator Lamp (MIL)"
.
*2: These malfunctions cannot be displayed MIL if another malfunction is assigned to MIL.
*3: Column shift models only.
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
M-MODE SWITCH *3
• When an impossible pattern of switch signals is detect-
ed, a malfunction is detected.
P1815
—
NO DTC IS DETECTED
FURTHER TESTING
MAY BE REQUIRED
• No NG item has been detected.
X
X
Items (CONSULT
screen terms)
Malfunction is detected when...
TCM self-di-
agnosis
OBD (DTC)
Reference
page
“TRANSMIS-
SION” with
CONSULT
MIL indicator
lamp*1, “EN-
GINE” with
CONSULT 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 or mph)
X
X
X
Output speed sensor
VHCL/S SE-MTR (km/h or mph)
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 or °F)
—
X
X
ATF TEMP 2 (
°C or °F)
—
X
X
BATTERY VOLT (V)
X
—
X
DIAGNOSIS SYSTEM (TCM)
TM-41
< SYSTEM DESCRIPTION >
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
ATF PRES SW 1 (ON-OFF display)
X
X
X
Not mounted but displayed.
ATF PRES SW 2 (ON-OFF display)
X
X
X
(for LC/B solenoid)
ATF PRES SW 3 (ON-OFF display)
X
X
X
Not mounted but displayed.
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
—
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
—
X
Not mounted but displayed.
SFT DWN ST SW (ON-OFF display)
X
—
X
ASCD-OD CUT (ON-OFF display)
X
—
X
ASCD-CRUISE (ON-OFF display)
X
—
X
ABS SIGNAL (ON-OFF display)
X
—
X
ACC OD CUT (ON-OFF display)
X
—
X
Not mounted but displayed.
ACC SIGNAL (ON-OFF display)
X
—
X
TCS GR/P KEEP (ON-OFF display)
X
—
X
TCS SIGNAL 2 (ON-OFF display)
X
—
X
TCS SIGNAL 1 (ON-OFF display)
X
—
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
Monitored item (Unit)
Monitor Item Selection
Remarks
ECU IN-
PUT SIG-
NALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
TM-42
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (TCM)
DTC WORK SUPPORT
Display Items List
D/C SOL MON (A)
—
—
X
HLR/C SOL MON (A)
—
—
X
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
POWER M LAMP (ON-OFF display)
—
—
X
Not mounted but displayed.
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 SW 3M (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, kg/cm
2
or psi)
—
—
X
TRGT PRES L/P (kPa, kg/cm
2
or psi)
—
—
X
TRGT PRES I/C (kPa, kg/cm
2
or psi)
—
—
X
TRGT PRE FR/B (kPa, kg/cm
2
or psi)
—
—
X
TRGT PRES D/C (kPa, kg/cm
2
or psi)
—
—
X
TRG PRE HLR/C (kPa, kg/cm
2
or psi)
—
—
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 or mph)
—
X
X
Vehicle speed recognized by the TCM.
Monitored item (Unit)
Monitor Item Selection
Remarks
ECU IN-
PUT SIG-
NALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
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