
TROUBLE DIAGNOSIS
AT-75
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2006 November2007 350Z
43
Slips/Will
Not
EngageNo creep at all.
Refer to AT-177,
"Vehicle Does Not
Creep Backward in
“R” Position" , AT-179,
"Vehicle Does Not
Creep Forward in “D”
Position" .ON vehicle1. A/T fluid level and stateAT- 4 9
2. Line pressure testAT- 5 0
3. Accelerator pedal position sensorAT-131
4. Direct clutch solenoid valveAT-149
5. PNP switchAT-102
6. CAN communication lineAT- 9 4
7. A/T positionAT-206
8. Control valve with TCMAT-215
OFF vehicle9. Torque converterAT-255
10. Oil pump assemblyAT-271
11. 1st one-way clutchAT-281
12. Gear systemAT-246
13. Reverse brakeAT-255
14. Direct clutchAT-288
15. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT- 1 7 , "
Cross-sectional View" .)AT-255
16. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-17,
"Cross-sectional View" .)AT-255
44Vehicle cannot run in
all positions.ON vehicle1. A/T fluid level and stateAT- 4 9
2. Line pressure testAT- 5 0
3. PNP switchAT-102
4. A/T positionAT-206
5. Control valve with TCMAT-215
OFF vehicle6. Oil pump assemblyAT-2717. Gear systemAT-246
8. Output shaftAT-255
No. Items Symptom Condition Diagnostic ItemReference
page

AT-76
TROUBLE DIAGNOSIS
Revision: 2006 November2007 350Z
45
Slips/Will
Not
EngageWith selector lever in
“D” position, driving is
not possible.ON vehicle1. A/T fluid level and stateAT- 4 9
2. Line pressure testAT- 5 0
3. PNP switchAT- 1 0 2
4. A/T positionAT- 2 0 6
5. Control valve with TCMAT- 2 1 5
OFF vehicle6. Torque converterAT- 2 5 5
7. Oil pump assembly AT- 2 7 1
8. 1st one-way clutchAT- 2 8 1
9. Gear systemAT- 2 4 6
10. Reverse brakeAT- 2 5 5
11. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT-17, "
Cross-sectional View" .)AT- 2 5 5
12. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-17,
"Cross-sectional View" .)AT- 2 5 5
46With selector lever in
“R” position, driving is
not possible.ON vehicle1. A/T fluid level and stateAT- 4 9
2. Line pressure testAT- 5 0
3. PNP switchAT- 1 0 2
4. A/T positionAT- 2 0 6
5. Control valve with TCMAT- 2 1 5
OFF vehicle6. Gear systemAT- 2 4 67. Output shaftAT- 2 5 5
8. Reverse brakeAT- 2 5 5
47
Does Not
ChangeDoes not change M
5
→ M
4 .
Refer to AT-196, "
A/T
Does Not Shift: 5th
Gear → 4th Gear" .ON vehicle1. PNP switchAT- 1 0 2
2. A/T fluid level and stateAT- 4 9
3. A/T positionAT- 2 0 6
4. Manual mode switchAT- 1 5 7
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT- 2 1 5
OFF vehicle 7. Front brake (brake band)AT- 2 5 5
48Does not change M
4
→ M
3 .
Refer to AT-198, "
A/T
Does Not Shift: 4th
Gear → 3rd Gear" .ON vehicle1. PNP switchAT- 1 0 2
2. A/T fluid level and stateAT- 4 9
3. A/T positionAT- 2 0 6
4. Manual mode switchAT- 1 5 7
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. Front brake (brake band)AT- 2 5 58. Input clutchAT- 2 7 6
No. Items Symptom Condition Diagnostic ItemReference
page

TROUBLE DIAGNOSIS
AT-77
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2006 November2007 350Z49
Does Not
ChangeDoes not change M
3
→ M
2 .
Refer to AT-199, "
A/T
Does Not Shift: 3rd
Gear → 2nd Gear" .ON vehicle1. PNP switchAT-102
2. A/T fluid level and stateAT- 4 9
3. A/T positionAT-206
4. Manual mode switchAT-157
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT-215
OFF vehicle7. Front brake (brake band)AT-2558. Input clutchAT-276
9. High and low reverse clutchAT-286
50Does not change M
2
→ M
1 .
Refer to AT-201, "
A/T
Does Not Shift: 2nd
Gear → 1st Gear" .ON vehicle1. PNP switchAT-102
2. A/T fluid level and stateAT- 4 9
3. A/T positionAT-206
4. Manual mode switchAT-157
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT-215
OFF vehicle7. Input clutchAT-2768. High and low reverse clutchAT-286
9. Direct clutchAT-288
51Cannot be changed to
manual mode.
Refer to AT-196,
"Cannot Be Changed
to Manual Mode" .ON vehicle1. Manual mode switchAT-157
2. Turbine revolution sensorAT-106
3. CAN communication lineAT- 9 4
52
OthersShift point is high in
“D” position.ON vehicle1. Vehicle speed sensor A/T and vehicle speed sensor MTRAT-108
,
AT-139
2. Accelerator pedal position sensorAT-131
3. CAN communication lineAT- 9 4
4. A/T fluid temperature sensorAT-134
5. Control valve with TCMAT-215
53Shift point is low in “D”
position.ON vehicle1. Vehicle speed sensor A/T and vehicle speed sensor MTRAT-108
,
AT-139
2. Accelerator pedal position sensorAT-131
3. CAN communication lineAT- 9 4
4. Control valve with TCMAT-215
No. Items Symptom Condition Diagnostic ItemReference
page

TROUBLE DIAGNOSIS
AT-79
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2006 November2007 350Z58
OthersVehicle does not
decelerate by engine
brake.
Refer to AT-202,
"Vehicle Does Not
Decelerate by Engine
Brake" .ON vehicle1. PNP switchAT-102
2. A/T fluid level and stateAT- 4 9
3. A/T positionAT-206
4. Manual mode switchAT-157
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT-215
OFF vehicle7. Input clutchAT-2768. High and low reverse clutchAT-286
9. Direct clutchAT-288
59Engine brake does
not work M5 → M4 .ON vehicle1. PNP switchAT-102
2. A/T fluid level and stateAT- 4 9
3. A/T positionAT-206
4. Manual mode switchAT-157
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT-215
OFF vehicle 7. Front brake (brake band)AT-255
60Engine brake does
not work M4 → M3 .ON vehicle1. PNP switchAT-102
2. A/T fluid level and stateAT- 4 9
3. A/T positionAT-206
4. Manual mode switchAT-157
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT-215
OFF vehicle7. Front brake (brake band)AT-2558. Input clutchAT-276
61Engine brake does
not work M3 → M2 .ON vehicle1. PNP switchAT-102
2. A/T fluid level and stateAT- 4 9
3. A/T positionAT-206
4. Manual mode switchAT-157
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT-215
OFF vehicle7. Front brake (brake band)AT-2558. Input clutchAT-276
9. High and low reverse clutchAT-286
No. Items Symptom Condition Diagnostic ItemReference
page

AT-80
TROUBLE DIAGNOSIS
Revision: 2006 November2007 350Z
62
OthersEngine brake does
not work M2 → M1 .ON vehicle1. PNP switchAT- 1 0 2
2. A/T fluid level and stateAT- 4 9
3. A/T positionAT- 2 0 6
4. Manual mode switchAT- 1 5 7
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. Input clutchAT- 2 7 68. High and low reverse clutchAT- 2 8 6
9. Direct clutchAT- 2 8 8
63 Maximum speed low.ON vehicle1. A/T fluid level and stateAT- 4 9
2. Line pressure testAT- 5 0
3. Accelerator pedal position sensorAT- 1 3 1
4. CAN communication lineAT- 9 4
5. Direct clutch solenoid valveAT- 1 4 9
6. Control valve with TCMAT- 2 1 5
OFF vehicle7. Torque converterAT- 2 5 5
8. Oil pump assemblyAT- 2 7 1
9. Input clutchAT- 2 7 6
10. Gear systemAT- 2 4 6
11. High and low reverse clutchAT- 2 8 6
12. Direct clutchAT- 2 8 8
13. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT-17, "
Cross-sectional View" .)AT- 2 5 5
14 Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to AT-17,
"Cross-sectional View" .)AT- 2 5 5
64Extremely large
creep.ON vehicle1. Engine idle speed EC-76
2. CAN communication lineAT- 9 4
OFF vehicle 3. Torque converterAT- 2 5 5
65With selector lever in
“P” position, vehicle
does not enter parking
condition or, with
selector lever in
another position, park-
ing condition is not
cancelled.ON vehicle1. PNP switchAT- 1 0 2
2. A/T positionAT- 2 0 6
3. Parking pawl componentsAT- 2 4 6
66Vehicle runs with A/T
in “P” position.ON vehicle1. PNP switchAT- 1 0 2
2. A/T fluid level and stateAT- 4 9
3. A/T positionAT- 2 0 6
4. Control valve with TCMAT- 2 1 5
5. Parking pawl componentsAT- 2 4 6
OFF vehicle 6. Gear systemAT- 2 4 6
No. Items Symptom Condition Diagnostic ItemReference
page

TROUBLE DIAGNOSIS
AT-81
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2006 November2007 350Z
67
OthersVehicle runs with A/T
in “N” position.
Refer to AT-174, "In
“N” Position, Vehicle
Moves" .ON vehicle1. PNP switchAT-102
2. A/T fluid level and stateAT- 4 9
3. A/T positionAT-206
4. Control valve with TCMAT-215
OFF vehicle5. Input clutchAT-276
6. Gear systemAT-246
7. Direct clutchAT-288
8. Reverse brakeAT-255
9. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to
AT- 1 7 , "
Cross-sectional View" .)AT-255
10. Low coast brake (Parts behind drum support is impossi-
ble to perform inspection by disassembly. Refer to AT-17,
"Cross-sectional View" .)AT-255
68Engine does not start
in “N” or “P” position.
Refer to AT-173, "Engine Cannot Be
Started in “P” or “N”
Position" .ON vehicle1. Ignition switch and starterPG-4
,
SC-8
2. A/T positionAT-206
3. PNP switchAT-102
69Engine starts in posi-
tions other than “N” or
“P”.ON vehicle1. Ignition switch and starterPG-4
,
SC-8
2. A/T positionAT-206
3. PNP switchAT-102
70 Engine stall.ON vehicle1. A/T fluid level and stateAT- 4 9
2. Engine speed signalAT- 11 3
3. Turbine revolution sensorAT-106
4. Torque converter clutch solenoid valveAT-125
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT-215
OFF vehicle 7. Torque converterAT-255
71Engine stalls when
selector lever shifted
“N” → “D”, “R”.ON vehicle1. A/T fluid level and stateAT- 4 9
2. Engine speed signalAT- 11 3
3. Turbine revolution sensorAT-106
4. Torque converter clutch solenoid valveAT-125
5. CAN communication lineAT- 9 4
6. Control valve with TCMAT-215
OFF vehicle 7. Torque converterAT-255
No. Items Symptom Condition Diagnostic ItemReference
page

AT-86
TROUBLE DIAGNOSIS
Revision: 2006 November2007 350Z
SELF-DIAGNOSTIC RESULT MODE
After performing self-diagnosis, place check marks for results on the AT- 4 4 , "DIAGNOSTIC WORKSHEET" .
Reference pages are provided following the items.
Display Items List
X: Applicable, —: Not applicable
Items (CONSULT-III
screen terms)Malfunction is detected when...TCM self-
diagnosisOBD-II (DTC)
Reference
page “TRANS-
MISSION”
with CON-
SULT-IIIMIL
*1 ,
“ENGINE” with
CONSULT-III
or GST
CAN COMM CIRCUITWhen TCM is not transmitting or receiving CAN communica-
tion signal for 2 seconds or more.U1000 U1000AT- 9 4
STARTER RELAY/
CIRCIf this signal is ON other than in “P” or “N” position, this is
judged to be a malfunction.
(And if it is OFF in “P” or “N” position, this too is judged to be
a malfunction.)P0615 —AT- 9 7
TCM TCM is malfunctioning P0700 P0700AT- 1 0 1
PNP SW/CIRC
PNP switch 1–4 signals input with impossible pattern.
“P” position is detected from “N” position without any other
position being detected in between.P0705 P0705AT- 1 0 2
TURBINE REV S/CIRC
TCM does not receive the proper voltage signal from the
sensor.
TCM detects an irregularity only at position of 4th gear for
turbine revolution sensor 2.P0717 P0717AT- 1 0 6
VEH SPD SEN/CIR AT
Signal from vehicle speed sensor A/T (Revolution sensor)
not input due to cut line or the like.
Unexpected signal input during running.
After ignition switch is turned ON, unexpected signal input
from vehicle speed sensor MTR before the vehicle starts
moving.P0720 P0720AT- 1 0 8
ENGINE SPEED SIGTCM does not receive the CAN communication signal from
the ECM.P0725 P0725AT- 11 3
A/T 1ST GR FNCTN A/T cannot shift to 1st gear P0731 P0731AT- 11 5
A/T 2ND GR FNCTN A/T cannot shift to 2nd gear P0732 P0732AT- 11 7
A/T 3RD GR FNCTN A/T cannot shift to 3rd gear P0733 P0733AT- 11 9
A/T 4TH GR FNCTN A/T cannot shift to 4th gear P0734 P0734AT- 1 2 1
A/T 5TH GR FNCTN A/T cannot shift to 5th gear P0735 P0735AT- 1 2 3
TCC SOLENOID/CIRCNormal voltage not applied to solenoid due to cut line, short,
or the like.P0740 P0740AT- 1 2 5
A/T TCC S/V FNCTN
A/T cannot perform lock-up even if electrical circuit is
good.
TCM detects as irregular by comparing difference value
with slip rotation.P0744
P0744*2AT- 1 2 7
L/PRESS SOL/CIRC
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 P0745AT- 1 2 9
TP SEN/CIRC A/TTCM does not receive the proper accelerator pedal position
signals (input by CAN communication) from ECM.P1705 P1705AT- 1 3 1
ATF TEMP SEN/CIRC During running, the A/T fluid temperature sensor signal volt-
age is excessively high or low.P1710 P0710AT- 1 3 4

AT-88
TROUBLE DIAGNOSIS
Revision: 2006 November2007 350Z
DATA MONITOR MODE
Display Items List
X: Standard, —: Not applicable, : Option
Monitored item (Unit)Monitor Item Selection
Remarks
ECU INPUT
SIGNALSMAIN SIG-
NALSSELEC-
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 XDegree 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
GEAR — XGear 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) — XDifference 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 —