NISSAN LATIO 2007 Service Repair Manual

AT-198
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: June 20062007 Versa
OD OFF Indicator Lamp Does Not Come OnUCS005UW
SYMPTOM:
OD OFF 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 2 , "
SELF-DIAGNOSTIC RESULT MODE" .
Is a malfunction in CAN communication indicated in the results?
YES >> Check CAN communication line. Refer to AT-94, "DTC U1000 CAN COMMUNICATION LINE" .
NO >> GO TO 2.
2. CHECK TCM POWER SOURCE
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector terminals and ground.
Refer to AT-183, "
Wiring Diagram — AT — MAIN" .
3. Turn ignition switch OFF.
4. Check voltage between TCM connector terminals and ground.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING ITEM
Check the following.

Harness for short or open between ignition switch and TCM connector terminals 10, 19. Refer to AT-183,
"Wiring Diagram — AT — MAIN" .

Harness for short or open between battery and TCM connector terminal 28. Refer to AT-183, "Wiring Dia-
gram — AT — MAIN" .

10A fuse (No.13, located in the fuse block) and 10A fuse (No.49, located in the IPDM E/R). Refer to AT -
183, "Wiring Diagram — AT — MAIN" .

Ignition switch. Refer to PG-4, "POWER SUPPLY ROUTING CIRCUIT" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
Item Connector Terminal Judgement standard (Approx.)
TCM connectorE3110 -
Ground
Battery voltage 19 -
Ground
E3228 -
Ground
SCIA2656E
Item Connector Terminal Judgement standard (Approx.)
TCM connectorE3110 -
Ground0V
19 -
Ground0V
E3228 -
GroundBattery voltage
SCIA2657E

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-199
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4. CHECK TCM GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector.
3. Check continuity between TCM connector terminals and ground.
Refer to AT- 1 8 3 , "
Wiring Diagram — AT — MAIN" .
OK or NG
OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
5. DETECT MALFUNCTIONING ITEM
Check the following.

Harness for short or open between ignition switch and combination meter

Combination meter. Refer to DI-5, "COMBINATION METERS" .
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
6. CHECK SYMPTOM
Check again. Refer to AT- 5 8 , "
Check Before Engine is Started" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 7.
7. CHECK TCM
1. Check TCM input/output. Refer to AT-78, "
TCM Terminals and Reference Value" .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Item Connector Terminal Continuity
TCM connector E32 25, 48 - Ground Yes
SCIA2671E

AT-200
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: June 20062007 Versa
Engine Cannot Be Started in “P” and “N” PositionUCS005UX
SYMPTOM:

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

Engine can be started with selector lever in “D”, “2”, “1” or “R” position.
DIAGNOSTIC PROCEDURE
1. CHECK PNP SWITCH
Check continuity between PNP switch harness connector terminals.
Refer to AT-98, "
Wiring Diagram — AT — PNP/SW" .
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. CHECK PNP SWITCH
Check PNP switch again with control cable disconnected from manual shaft of A/T assembly. Refer to test
group 1.
OK or NG
OK >> Adjust A/T position. Refer to AT- 2 3 3 , "Adjustment of A/T Position" .
NG >> 1. Check PNP switch (Refer to test group 1.) again after adjusting PNP switch (Refer to AT-247
).
–If OK, INSPECTION END
–If NG, repair or replace PNP switch. Refer to AT-246, "Park/Neutral Position (PNP) Switch" .
3. CHECK STARTING SYSTEM
Check starting system. Refer to SC-10, "
STARTING SYSTEM" .
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Selector lever position Connector terminal Continuity
“P”, “N”
F25 1 - 2Ye s
Other positions No
SCIA5606E

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-201
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In “P” Position, Vehicle Moves Forward or Backward When PushedUCS005UY
SYMPTOM:
Vehicle moves when it is pushed forward or backward with selector lever in “P” position.
DIAGNOSTIC PROCEDURE
1. CHECK A/T POSITION
Check A/T position. Refer to AT-234, "
Checking of A/T Position" .
OK or NG
OK >> GO TO 2.
NG >> Adjust A/T position. Refer to AT-233, "
Adjustment of A/T Position" .
2. CHECK PARKING COMPONENTS
Check parking components. Refer to AT-257, "
Components" and
AT- 2 6 8 , "
DISASSEMBLY" .
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
In “N” Position, Vehicle MovesUCS005UZ
SYMPTOM:
Vehicle moves forward or backward when selecting “N” position.
DIAGNOSTIC PROCEDURE
1. CHECK A/T POSITION
Check A/T position. Refer to AT-234, "
Checking of A/T Position" .
OK or NG
OK >> GO TO 2.
NG >> Adjust A/T position. Refer to AT-233, "
Adjustment of A/T Position" .
2. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 6 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
3. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-257, "
Components" .
2. Check A/T fluid condition. Refer to AT-53, "
Fluid Condition Check" .
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
SAT2 8 2F

AT-202
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: June 20062007 Versa
4. DETECT MALFUNCTIONING ITEM
1. Disassemble A/T. Refer to AT-268, "
Disassembly" .
2. Check the following items:
–Forward clutch assembly. Refer to AT- 3 2 0 , "Forward and Overrun Clutches" .
–Overrun clutch assembly. Refer to AT-320, "Forward and Overrun Clutches" .
–Reverse clutch assembly. Refer to AT-309, "Reverse Clutch" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5. CHECK SYMPTOM
Check again. Refer to AT-59, "
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- 7 8 , "
TCM Terminals and Reference Value" .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Large Shock “N” → “R” PositionUCS005V0
SYMPTOM:
There is a large shock when changing from “N” to “R” position.
DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 8 2 , "
SELF-DIAGNOSTIC RESULT MODE" or AT-90, "Diagnostic Proce-
dure Without CONSULT-II" .
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system. Refer to AT- 8 2 , "SELF-DIAGNOSTIC RESULT MODE" or AT -
91, "Judgement of Self-diagnosis Code" .
NO >> GO TO 2.
2. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer to AT- 5 6 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-203
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3. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-242, "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–Line pressure solenoid valve
–Oil pump assembly. Refer to AT-289, "Oil Pump" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. CHECK SYMPTOM
Check again. Refer to AT- 5 9 , "
Check at Idle" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 5.
5. CHECK TCM
1. Check TCM input/output signals. Refer to AT- 7 8 , "
TCM Terminals and Reference Value" .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Vehicle Does Not Creep Backward in “R” PositionUCS005V1
SYMPTOM:
Vehicle does not creep backward when selecting “R” position.
DIAGNOSTIC PROCEDURE
1. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 6 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 2.
NG >> Refill ATF.
2. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “R” position. Refer to AT-56, "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.

AT-204
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: June 20062007 Versa
3. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-242, "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–Line pressure solenoid valve
3. Disassemble A/T. Refer to AT-268, "
Disassembly" .
4. Check the following item:
–Oil pump assembly. Refer to AT-289, "Oil Pump" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. CHECK STALL REVOLUTION
Check stall revolution with selector lever in “1” and “R” positions. Refer to AT-53, "
STALL TEST" .
OK or NG
OK >> GO TO 6.
OK in “1” position, NG in “R” position>> GO TO 5.
NG in both “1” and “R” positions>> GO TO 7.
5. DETECT MALFUNCTIONING ITEM
1. Disassemble A/T. Refer to AT-268, "
Disassembly" .
2. Check the following items:
–Low & reverse brake assembly. Refer to AT-327, "Low & Reverse Brake" .
–Reverse clutch assembly. Refer to AT-309, "Reverse Clutch" .
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
6. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-257, "
Components" .
2. Check A/T fluid condition. Refer to AT- 5 3 , "
Fluid Condition Check" .
OK or NG
OK >> GO TO 8.
NG >> GO TO 7.
7. DETECT MALFUNCTIONING ITEM
1. Disassemble A/T. Refer to AT-268, "
Disassembly" .
2. Check the following items:
–Reverse clutch assembly. Refer to AT-309, "Reverse Clutch" .
–High clutch assembly. Refer to AT-314, "High Clutch" .
–Low & reverse brake assembly. Refer to AT-327, "Low & Reverse Brake" .
–Forward clutch assembly. Refer to AT- 3 2 0 , "Forward and Overrun Clutches" .
–Overrun clutch assembly. Refer to AT-320, "Forward and Overrun Clutches" .
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-205
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8. CHECK SYMPTOM
Check again. Refer to AT- 5 9 , "
Check at Idle" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 9.
9. CHECK TCM
1. Check TCM input/output signals. Refer to AT- 7 8 , "
TCM Terminals and Reference Value" .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Vehicle Does Not Creep Forward in “D”, “2” or “1” Position UCS005V2
SYMPTOM:
Vehicle does not creep forward when selecting “D”, “2” or “1” position.
DIAGNOSTIC PROCEDURE
1. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 6 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 2.
NG >> Refill ATF.
2. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer to AT-56, "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-242, "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–Line pressure solenoid valve
3. Disassemble A/T. Refer to AT- 2 6 8 , "
Disassembly" .
4. Check the following item:
–Oil pump assembly. Refer to AT-289, "Oil Pump" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. CHECK STALL REVOLUTION
Check stall revolution with selector lever in “D” position. Refer to AT-53, "
STALL TEST" .
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.

AT-206
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: June 20062007 Versa
5. DETECT MALFUNCTIONING ITEM
1. Disassemble A/T. Refer to AT-268, "
Disassembly" .
2. Check the following items:
–Oil pump assembly. Refer to AT-289, "Oil Pump" .
–Forward clutch assembly. Refer to AT- 3 2 0 , "Forward and Overrun Clutches" .
–Forward one-way clutch. Refer to AT-332, "Rear Internal Gear and Forward Clutch Hub" .
–Low one-way clutch. Refer to AT-268, "Disassembly" .
–Torque converter. Refer to AT-268, "Disassembly" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
6. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-257, "
Components" .
2. Check A/T fluid condition. Refer to AT- 5 3 , "
Fluid Condition Check" .
OK or NG
OK >> GO TO 7.
NG >> GO TO 5.
7. CHECK SYMPTOM
Check again. Refer to AT-59, "
Check at Idle" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 8.
8. CHECK TCM
1. Check TCM input/output signals. Refer to AT- 7 8 , "
TCM Terminals and Reference Value" .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Vehicle Cannot Be Started from D1UCS005V3
SYMPTOM:
Vehicle cannot be started from D1 on “Cruise Test — Part 1”.
DIAGNOSTIC PROCEDURE
1. CHECK SYMPTOM
Check symptom. Refer to AT-59, "
Check at Idle" .
Is
“Vehicle Dose Not Creep Backward in “R” Position” OK?
OK >> GO TO 2.
NG >> Go to AT-203, "
Vehicle Does Not Creep Backward in “R” Position" .
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 8 2 , "
SELF-DIAGNOSTIC RESULT MODE" or AT-90, "Diagnostic Proce-
dure Without CONSULT-II" .
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system. Refer to AT- 8 2 , "SELF-DIAGNOSTIC RESULT MODE" or AT -
91, "Judgement of Self-diagnosis Code" .
NO >> GO TO 3.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-207
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Revision: June 20062007 Versa
3. CHECK ACCELERATOR PEDAL POSITION SENSOR
Check accelerator pedal position sensor. Refer to EC-532, "
DTC P2138 APP SENSOR" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace accelerator pedal position sensor.
4. CHECK LINE PRESSURE
Check line pressure at stall point with selector lever in “D” position. Refer to AT- 5 6 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-242, "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Shift valve A
–Shift valve B
–Shift solenoid valve A
–Shift solenoid valve B
–Pilot valve
–Pilot filter
3. Disassemble A/T. Refer to AT- 2 6 8 , "
Disassembly" .
4. Check the following items:
–Forward clutch assembly. Refer to AT-320, "Forward and Overrun Clutches" .
–Low one-way clutch. Refer to AT-268, "Disassembly" .
–Forward one-way clutch. Refer to AT - 3 3 2 , "Rear Internal Gear and Forward Clutch Hub" .
–High clutch assembly. Refer to AT- 3 1 4 , "High Clutch" .
–Torque converter. Refer to AT- 2 6 8 , "Disassembly" .
–Oil pump assembly. Refer to AT-289, "Oil Pump" .
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.
6. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-257, "
Components" .
2. Check A/T fluid condition. Refer to AT-53, "
Fluid Condition Check" .
OK or NG
OK >> GO TO 7.
NG >> GO TO 5.