2007 NISSAN 350Z u1000

DTC U1000 CAN COMMUNICATION LINE
AT-95
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: 2006 November2007 350Z
Wiring Diagram — AT — CANNCS0002K
TCWM0259E

AT-96
DTC U1000 CAN COMMUNICATION LINE
Revision: 2006 November2007 350Z
TCM terminals and data are reference value. Measured between each terminal and ground.
Diagnostic ProcedureNCS0002L
1. CHECK CAN COMMUNICATION CIRCUIT
With CONSULT-III
1. Turn ignition switch ON and start engine.
2. Select “SELF-DIAG RESULTS” mode for “TRANSMISSION” with CONSULT-III.
Is any malfunction of the
“CAN COMM CIRCUIT” indicated?
YES >> Print out CONSULT-III screen, GO TO LAN section. Refer to LAN-48, "CAN System Specification
Chart" .
NO >>INSPECTION END
TerminalWire
colorItem Condition Data (Approx.)
3 L CAN-H — —
8 P CAN-L — —

AT-114
DTC P0725 ENGINE SPEED SIGNAL
Revision: 2006 November2007 350Z
Diagnostic ProcedureNCS0003H
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 DTC WITH TCM
With CONSULT-III
1. Start engine.
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. While monitoring engine speed, check for engine speed change corresponding to wide-open throttle posi-
tion signal.
OK or NG
OK >> GO TO 3.
NG >> Check the ignition signal circuit. Refer to EC-698, "
IGNITION SIGNAL" .
3. CHECK DTC
Perform AT- 11 3 , "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 4.
4. 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 >> GO TO 5.
NG >> Repair or replace damaged parts.
5. DETECT MALFUNCTIONING ITEM
Check A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> Replace control valve with TCM. Refer to AT- 2 1 5 , "Control Valve with TCM and A/T Fluid Temper-
ature Sensor 2" .
NG >> Repair or replace damaged parts.
Item name Condition Display value
ENGINE SPEED Engine running Closely matches the tachometer reading.

AT-116
DTC P0731 A/T 1ST GEAR FUNCTION
Revision: 2006 November2007 350Z
–Perform AT- 8 6 , "SELF-DIAGNOSTIC RESULT MODE" when not shifted from the 1st to 5th gear. (Neither
“OK” nor “NG” are indicated.)
Diagnostic ProcedureNCS001SF
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 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 >> GO TO 3.
NG >> Repair or replace damaged parts.
3. DETECT MALFUNCTION ITEM
Check A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. REPLACE CONTROL VALVE WITH TCM
1. Replace control valve with TCM. Refer to AT- 2 1 5 , "
Control Valve with TCM and A/T Fluid Temperature
Sensor 2" .
2. Perform AT- 11 5 , "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> Confirm malfunction phenomena by “ROAD TEST” to repair malfunctioning part. Refer to AT- 5 2 ,
"ROAD TEST" .

AT-118
DTC P0732 A/T 2ND GEAR FUNCTION
Revision: 2006 November2007 350Z
–Perform AT- 8 6 , "SELF-DIAGNOSTIC RESULT MODE" when not shifted from the 1st to 5th gear. (Neither
“OK” nor “NG” are indicated.)
Diagnostic ProcedureNCS001T0
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 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 >> GO TO 3.
NG >> Repair or replace damaged parts.
3. DETECT MALFUNCTION ITEM
Check A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. REPLACE CONTROL VALVE WITH TCM
1. Replace control valve with TCM. Refer to AT- 2 1 5 , "
Control Valve with TCM and A/T Fluid Temperature
Sensor 2" .
2. Perform AT- 11 7 , "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> Confirm malfunction phenomena by “ROAD TEST” to repair malfunctioning part. Refer to AT- 5 2 ,
"ROAD TEST" .

AT-120
DTC P0733 A/T 3RD GEAR FUNCTION
Revision: 2006 November2007 350Z
–Perform AT- 8 6 , "SELF-DIAGNOSTIC RESULT MODE" when not shifted from the 1st to 5th gear. (Neither
“OK” nor “NG” are indicated.)
Diagnostic ProcedureNCS001T1
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 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 >> GO TO 3.
NG >> Repair or replace damaged parts.
3. DETECT MALFUNCTION ITEM
Check A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. REPLACE CONTROL VALVE WITH TCM
1. Replace control valve with TCM. Refer to AT- 2 1 5 , "
Control Valve with TCM and A/T Fluid Temperature
Sensor 2" .
2. Perform AT- 11 9 , "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> Confirm malfunction phenomena by “ROAD TEST” to repair malfunctioning part. Refer to AT- 5 2 ,
"ROAD TEST" .

AT-122
DTC P0734 A/T 4TH GEAR FUNCTION
Revision: 2006 November2007 350Z
–Perform AT- 8 6 , "SELF-DIAGNOSTIC RESULT MODE" when not shifted from the 1st to 5th gear. (Neither
“OK” nor “NG” are indicated.)
Diagnostic ProcedureNCS001T2
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 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 >> GO TO 3.
NG >> Repair or replace damaged parts.
3. DETECT MALFUNCTION ITEM
Check A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. REPLACE CONTROL VALVE WITH TCM
1. Replace control valve with TCM. Refer to AT- 2 1 5 , "
Control Valve with TCM and A/T Fluid Temperature
Sensor 2" .
2. Perform AT- 1 2 1 , "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> Confirm malfunction phenomena by “ROAD TEST” to repair malfunctioning part. Refer to AT- 5 2 ,
"ROAD TEST" .

AT-124
DTC P0735 A/T 5TH GEAR FUNCTION
Revision: 2006 November2007 350Z
–Perform AT- 8 6 , "SELF-DIAGNOSTIC RESULT MODE" when not shifted from the 1st to 5th gear. (Neither
“OK” nor “NG” are indicated.)
Diagnostic ProcedureNCS001T3
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 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 >> GO TO 3.
NG >> Repair or replace damaged parts.
3. DETECT MALFUNCTION ITEM
Check A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. REPLACE CONTROL VALVE WITH TCM
1. Replace control valve with TCM. Refer to AT- 2 1 5 , "
Control Valve with TCM and A/T Fluid Temperature
Sensor 2" .
2. Perform AT- 1 2 3 , "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> Confirm malfunction phenomena by “ROAD TEST” to repair malfunctioning part. Refer to AT- 5 2 ,
"ROAD TEST" .