Infiniti Q45. Manual — part 44
TROUBLE DIAGNOSIS
AT-89
D
E
F
G
H
I
J
K
L
M
A
B
AT
AT-41, "Malfunction Indicator Lamp (MIL)"
*2: These malfunctions cannot be displayed MIL if another malfunction is assigned to MIL.
D/C SOLENOID
FNCTN
●
TCM detects that actual gear ratio is irregular, and relation
between gear position and condition of ATF pressure
switch 5 is irregular during depressing accelerator pedal.
(Other than during shift change.)
●
TCM detects that relation between gear position and condi-
tion of ATF pressure switch 5 is irregular during releasing
accelerator pedal. (Other than during shift change.)
P1764
P1764*2
HLR/C SOL/CIRC
●
Normal voltage not applied to solenoid due to functional
malfunction, cut line, short, or the like.
●
TCM detects as irregular by comparing target value with
monitor value.
P1767
P1767
HLR/C SOL
FNCTN
●
TCM detects that actual gear ratio is irregular, and relation
between gear position and condition of ATF pressure
switch 6 is irregular during depressing accelerator pedal.
(Other than during shift change.)
●
TCM detects that relation between gear position and condi-
tion of ATF pressure switch 6 is irregular during releasing
accelerator pedal. (Other than during shift change.)
P1769
P1769*2
LC/B SOLENOID/
CIRC
●
Normal voltage not applied to solenoid due to functional
malfunction, cut line, short, or the like.
P1772
P1772
LC/B SOLENOID
FNCT
●
TCM detects an improper voltage drop when it tries to oper-
ate 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
MANU MODE SW/
CIRC
●
When an impossible pattern of switch signals is detected, a
malfunction is detected.
P1815
—
ATF PRES SW 1/
CIRC
●
TCM detects that actual gear ratio is normal, and relation
between gear position and condition of ATF pressure
switch 1 is irregular during depressing accelerator pedal.
(Other than during shift change.)
P1841
—
ATF PRES SW 3/
CIRC
●
TCM detects that actual gear ratio is normal, and relation
between gear position and condition of ATF pressure
switch 3 is irregular during depressing accelerator pedal.
(Other than during shift change.)
P1843
—
ATF PRES SW 5/
CIRC
●
TCM detects that actual gear ratio is normal, and relation
between gear position and condition of ATF pressure
switch 5 is irregular during depressing accelerator pedal.
(Other than during shift change.)
P1845
—
ATF PRES SW 6/
CIRC
●
TCM detects that actual gear ratio is normal, and relation
between gear position and condition of ATF pressure
switch 6 is irregular during depressing accelerator pedal.
(Other than during shift change.)
P1846
—
NO DTC IS
DETECTED FUR-
THER TESTING
MAY BE
REQUIRED
●
No NG item has been detected.
X
X
—
Items (CONSULT-
II screen terms)
Malfunction is detected when...
TCM self-
diagnosis
OBD-II (DTC)
Reference
page
“A/T” with
CONSULT-II
MIL indicator
lamp*1,
“ENGINE” with
CONSULT-II or
GST
AT-90
TROUBLE DIAGNOSIS
How to Erase Self-diagnostic Results
1.
Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE”
screen.
2.
Touch ”ERASE”. (The self-diagnostic results will be erased.)
DATA MONITOR MODE
Operation Procedure
1.
Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
NOTE:
When malfunctions detected, CONSULT-II performs “REAL-
TIME DIAGNOSIS”. Also, any malfunction detected while in
this mode will be displayed at real time.
Display Items List
X: Standard, —: Not applicable,
: Option
BCIA0031E
PCIA0061E
BCIA0031E
Monitored item (Unit)
Monitor Item Selection
Remarks
ECU
INPUT
SIGNALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
VHCL/S SE-A/T (km/h)
X
X
Revolution sensor
VHCL/S SE-MTR (km/h)
X
—
ACCELE POSI (0.0/8)
X
—
Accelerator pedal position signal
THROTTLE POSI (0.0/8)
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)
X
—
Signal input with CAN communications.
W/O THL POS (ON/OFF)
X
—
BRAKE SW (ON/OFF)
X
—
Stop lamp switch
TROUBLE DIAGNOSIS
AT-91
D
E
F
G
H
I
J
K
L
M
A
B
AT
GEAR
—
X
Gear position recognized by the TCM updated
after gear-shifting.
ENGINE SPEED (rpm)
X
X
TURBINE REV (rpm)
X
X
OUTPUT REV (rpm)
X
X
GEAR RATIO
—
X
TC SLIP SPEED (rpm)
—
X
Difference between engine speed and torque
converter input shaft speed.
F SUN GR REV (rpm)
—
—
F CARR GR REV (rpm)
—
—
ATF TEMP SE 1 (V)
X
—
ATF TEMP SE 2 (V)
X
—
ATF TEMP 1 (
°
C)
—
X
ATF TEMP 2 (
°
C)
—
X
BATTERY VOLT (V)
X
—
ATF PRES SW 1 (ON/OFF)
X
X
(for FR/B solenoid)
ATF PRES SW 2 (ON/OFF)
X
X
(for LC/B solenoid)
ATF PRES SW 3 (ON/OFF)
X
X
(for I/C solenoid)
ATF PRES SW 5 (ON/OFF)
X
X
(for D/C solenoid)
ATF PRES SW 6 (ON/OFF)
X
X
(for HLR/C solenoid)
PNP SW 1 (ON/OFF)
X
—
PNP SW 2 (ON/OFF)
X
—
PNP SW 3 (ON/OFF)
X
—
PNP SW 4 (ON/OFF)
X
—
1 POSITION SW (ON/OFF)
X
—
SLCT LVR POSI
—
X
Selector lever position is recognized by the
TCM.
For fail-safe operation, the specific value used
for control is displayed.
OD CONT SW (ON/OFF)
X
—
Not mounted but displayed.
POWERSHIFT SW (ON/OFF)
X
—
HOLD SW (ON/OFF)
X
—
MANU MODE SW (ON/OFF)
X
—
NON M-MODE SW (ON/OFF)
X
—
UP SW LEVER (ON/OFF)
X
—
DOWN SW LEVER (ON/OFF)
X
—
Monitored item (Unit)
Monitor Item Selection
Remarks
ECU
INPUT
SIGNALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
AT-92
TROUBLE DIAGNOSIS
SFT UP ST SW (ON/OFF)
—
—
Not mounted but displayed.
SFT DWN ST SW (ON/OFF)
—
—
ASCD-OD CUT (ON/OFF)
—
—
ASCD-CRUISE (ON/OFF)
—
—
ABS SIGNAL (ON/OFF)
—
—
ACC OD CUT (ON/OFF)
—
—
Intelligent cruise control (ICC) system
ACC SIGNAL (ON/OFF)
—
—
TCS GR/P KEEP (ON/OFF)
—
—
TCS SIGNAL 2 (ON/OFF)
—
—
TCS SIGNAL 1 (ON/OFF)
—
—
TCC SOLENOID (A)
—
X
LINE PRES SOL (A)
—
X
I/C SOLENOID (A)
—
X
FR/B SOLENOID (A)
—
X
D/C SOLENOID (A)
—
X
HLR/C SOL (A)
—
X
ON OFF SOL (ON/OFF)
—
—
LC/B solenoid
TCC SOL MON (A)
—
—
L/P SOL MON (A)
—
—
I/C SL MON (A)
—
—
FR/B SOL MON (A)
—
—
D/C SOL MON (A)
—
—
HLR/C SOL MON (A)
—
—
ON OFF SOL MON (ON/OFF)
—
—
LC/B solenoid
P POSI IND (ON/OFF)
—
—
R POSI IND (ON/OFF)
—
—
N POSI IND (ON/OFF)
—
—
D POSI IND (ON/OFF)
—
—
4TH POSI IND (ON/OFF)
—
—
3RD POSI IND (ON/OFF)
—
—
2ND POSI IND (ON/OFF)
—
—
1ST POSI IND (ON/OFF)
—
—
MANU MODE IND (ON/OFF)
—
—
POWER M LAMP (ON/OFF)
—
—
F-SAFE IND/L (ON/OFF)
—
—
Monitored item (Unit)
Monitor Item Selection
Remarks
ECU
INPUT
SIGNALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
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