2007 NISSAN 350Z Automatic Transmission Workshop Manual

TROUBLE DIAGNOSIS FOR SYMPTOMS
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Revision: 2006 November2007 350Z
TROUBLE DIAGNOSIS FOR SYMPTOMSPFP:00007
Wiring Diagram — AT — NONDTCNCS00085
TCWT0441E

AT-170
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2006 November2007 350Z
TCWT0442E

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-171
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Revision: 2006 November2007 350Z
TCWT0378E

AT-172
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2006 November2007 350Z
TCM terminals and data are reference value. Measured between each terminal and ground.
A/T Check Indicator Lamp Does Not Come OnNCS00086
SYMPTOM:
A/T CHECK indicator lamp does not come on for about 2 seconds when turning ignition switch to ON.
DIAGNOSTIC PROCEDURE
1. CHECK CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to AT- 8 6 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 9 2 , "Diagnostic Procedure
Without CONSULT-III" .
Is a malfunction in the CAN communication indicated in the results?
YES >> Check CAN communication line. Refer to AT- 9 4 , "DTC U1000 CAN COMMUNICATION LINE" .
NO >> GO TO 2.
2. CHECK A/T CHECK INDICATOR LAMP CIRCUIT
Check combination meter. Refer to DI-4, "
COMBINATION METERS" .
OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts.
3. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to AT- 1 6 2 , "
MAIN POWER SUPPLY AND GROUND CIR-
CUIT" .
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
TerminalWire
colorItem Condition Data (Approx.)
3 L CAN-H — —
4PU/WK-line (CONSULT-
III signal)The terminal is connected to the data link connector for CONSULT-III. —
7YBack-up lamp
relaySelector lever in “R” position. 0 V
Selector lever in other positions. Battery voltage
8 P CAN-L — —

TROUBLE DIAGNOSIS FOR SYMPTOMS
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Revision: 2006 November2007 350Z
Engine Cannot Be Started in “P” or “N” PositionNCS00087
SYMPTOM:

Engine cannot be started with selector lever in “P” or “N” position.

Engine can be started with selector lever in “D” or “R” position.
DIAGNOSTIC PROCEDURE
1. CHECK PNP SWITCH CIRCUIT
Perform self-diagnosis. Refer to AT- 8 6 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 9 2 , "Diagnostic Procedure
Without CONSULT-III" .
Do the self-diagnostic results indicate PNP switch?
YES >> Check the malfunctioning system. Refer to AT- 1 0 2 , "DTC P0705 PARK/NEUTRAL POSITION
SWITCH" .
NO >> GO TO 2.
2. CHECK A/T POSITION
Check A/T position. Refer to AT- 2 0 6 , "
Checking of A/T Position" .
OK or NG
OK >> GO TO 3.
NG >> Adjust A/T position. Refer to AT- 2 0 6 , "
Adjustment of A/T Position" .
3. CHECK STARTING SYSTEM
Check starting system. Refer to SC-8, "
STARTING SYSTEM" .
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
In “P” Position, Vehicle Moves When PushedNCS00088
SYMPTOM:
Even though the selector lever is set in the “P” position, the parking mechanism is not actuated,
allowing the vehicle to be moved when it is pushed.
DIAGNOSTIC PROCEDURE
1. CHECK A/T POSITION
Check A/T position. Refer to AT- 2 0 6 , "
Checking of A/T Position" .
OK or NG
OK >> GO TO 2.
NG >> Adjust A/T position. Refer to AT- 2 0 6 , "
Adjustment of A/T Position" .
2. CHECK PARKING COMPONENTS
Check parking components. Refer to AT- 2 2 7 , "
Parking Components" .
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.

AT-174
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2006 November2007 350Z
In “N” Position, Vehicle MovesNCS00089
SYMPTOM:
Vehicle moves forward or backward when selecting “N” position.
DIAGNOSTIC PROCEDURE
1. CHECK PNP SWITCH CIRCUIT
Perform self-diagnosis. Refer to AT- 8 6 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 9 2 , "Diagnostic Procedure
Without CONSULT-III" .
Do the self-diagnostic results indicate PNP switch?
YES >> Check the malfunctioning system. Refer to AT- 1 0 2 , "DTC P0705 PARK/NEUTRAL POSITION
SWITCH" .
NO >> GO TO 2.
2. CHECK A/T POSITION
Check A/T position. Refer to AT- 2 0 6 , "
Checking of A/T Position" .
OK or NG
OK >> GO TO 3.
NG >> Adjust A/T position. Refer to AT- 2 0 6 , "
Adjustment of A/T Position" .
3. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 2 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT- 2 1 5 , "
Control Valve with TCM and A/T Fluid Temperature Sensor 2" .
2. Check A/T fluid condition. Refer to AT- 4 9 , "
A/T Fluid Condition Check" .
OK or NG
OK >> GO TO 5.
NG >> Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
AT- 5 9 , "
Symptom Chart" (Symptom No. 67).
5. CHECK SYMPTOM
Check again. Refer to AT- 5 3 , "
Check at Idle" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 6.
6. CHECK TCM
1. Check TCM input/output signals. Refer to AT- 8 3 , "
TCM Input/Output Signal Reference Values" .
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
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Revision: 2006 November2007 350Z
Large Shock (“N” to “D” Position)NCS0008A
SYMPTOM:
A noticeable shock occurs when the selector lever is shifted from the “N” to “D” position.
DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 8 6 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 9 2 , "Diagnostic Procedure
Without CONSULT-III" .
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system. Refer to AT- 8 6 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 9 3 ,
"Judgment Self-diagnosis Code" .
NO >> GO TO 2.
2. ENGINE IDLE SPEED
Check engine idle speed. Refer to EC-76, "
Idle Speed and Ignition Timing Check" .
OK or NG
OK >> GO TO 3.
NG >> Adjust engine idle speed. Refer to EC-76, "
Idle Speed and Ignition Timing Check" .
3. CHECK A/T POSITION
Check A/T position. Refer to AT- 2 0 6 , "
Checking of A/T Position" .
OK or NG
OK >> GO TO 4.
NG >> Adjust A/T position. Refer to AT- 2 0 6 , "
Adjustment of A/T Position" .
4. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 2 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 5.
NG >> Refill ATF.
5. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer to AT- 5 0 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 8.
NG - 1 >> Line pressure high: GO TO 6.
NG - 2 >> Line pressure low: GO TO 7.
6. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 1 5 , "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 2 5 5 , "
DISASSEMBLY" .
3. Check the following.
–Oil pump assembly. Refer to AT- 2 7 1 , "Oil Pump" .
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.

AT-176
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2006 November2007 350Z
7. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 1 5 , "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT- 2 5 5 , "
DISASSEMBLY" .
3. Check the following.
–Oil pump assembly. Refer to AT- 2 7 1 , "Oil Pump" .
–Power train system. Refer to AT- 2 5 5 , "DISASSEMBLY" .
–Transmission case. Refer to AT- 2 5 5 , "DISASSEMBLY" .
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.
8. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT- 2 1 5 , "
Control Valve with TCM and A/T Fluid Temperature Sensor 2" .
2. Check A/T fluid condition. Refer to AT- 4 9 , "
A/T Fluid Condition Check" .
OK or NG
OK >> GO TO 10.
NG >> GO TO 9.
9. DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT- 5 9 ,
"Symptom Chart" (Symptom No. 1).
OK or NG
OK >> GO TO 10.
NG >> Repair or replace damaged parts.
10. CHECK SYMPTOM
Check again. Refer to AT- 5 3 , "
Check at Idle" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 11.
11 . CHECK TCM
1. Check TCM input/output signals. Refer to AT- 8 3 , "
TCM Input/Output Signal Reference Values" .
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.