2009 NISSAN LATIO air condition

AT
N
O P
2. Check voltage between A/T device harness connector terminal
and ground. Refer to AT-178, " Wiring Diagram - AT - NONDTC " .
OK or NG OK >> GO TO 10.
NG >> GO TO 8. Wiring Diagram - AT - NONDTC " .
OK or NG OK >> GO TO 9.
NG >> Repair or replace damaged parts. .
OK or NG OK >> GO TO 10.
NG >> Repair or replace damaged parts. OK >> GO TO 11.
NG >> Check the following. If any items are damaged, repair or replace damaged parts. • Accelerator pedal position sensor. Refer to EC-412, " Description " (HR16DE),
EC-959, " Compo-
nent Description " (MR Type 1) or
EC-1481, " Component Description " (MR Type 2).
Item Connector Terminal
Overdrive
control switch Condition Judge-
ment
standard
(Approx.)
A/T device harness
connector (Overdrive
control switch) M38 1 - Ground
Released
Battery
voltage
Depressed 0 V

AT-176< SERVICE INFORMATION >
PNP, OD SWITCH AND CLOSED THRO
TTLE, WIDE OPEN THROTTLE POSI-
TION SIGNAL CIRCUIT 11.
PERFORM SELF-DIAGNOSIS
Without CONSULT-III
Perform self-diagnosis. Refer to AT-83, " Diagnosis Procedure without CONSULT-III " .
OK or NG OK >>
INSPECTION END
NG − 1 >> Self-diagnosis does not activate: GO TO 12.
NG − 2 >> DTC is displayed: Check the malfunctioning system. Refer to AT-83, " Diagnosis Procedure with-
out CONSULT-III " .
12.
CHECK TCM
1. Check TCM input/output signal. Refer to AT-77, " TCM Terminal 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.
Component Inspection INFOID:0000000004305467
OVERDRIVE CONTROL SWITCH
• Check continuity between A/T device harness connector terminals.
PNP SWITCH
1. Check continuity between PNP switch harness connector termi- nals.
2. If NG, check again with control cable (2) disconnected from manual shaft (3) of A/T assembly. Refer to step 1.
(1): Lock nut
3. If OK on step 2, adjust control cable (2). Refer to AT-216," Adjustment of A/T Position " .
4. If NG on step 2, remove PNP switch from A/T assembly and check continuity of PNP switch terminals. Refer to step 1.
5. If OK on step 4, adjust PNP switch. Refer to AT-224, " Park/Neu-
tral Position (PNP) Switch " .
6. If NG on step 4, replace PNP switch. Refer to AT-224, " Park/
Neutral Position (PNP) Switch " .Item Connector Terminal
Overdrive control
switch condition Continuity
A/T device harness con-
nector (Overdrive con-
trol switch) M38 1 - 2Released No
Depressed Yes SCIA5330E
Selector lever position Connector Terminal Continuity
“P”
F251 - 2, 3 - 7
Yes
*Continuity
should not
exist in posi- tions other
than the
specified
positions.
“R” 3 - 8
“N” 1 - 2, 3 - 9
“D” 3 - 6 “2” 3 - 5
“1” 3 - 4 SCIA5588E
SCIA6370J

).
- If OK, INSPECTION END
- If NG, repair or replace PNP switch. Refer to AT-224, " Park/Neutral Position (PNP) Switch " .
.
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts.
In "P" Position, Vehicle Moves Forward or Backward When Pushed INFOID:0000000004305474
SYMPTOM:
Vehicle moves when it is pushed forward or backward with selector lever in “P” position.
DIAGNOSTIC PROCEDURE Checking of A/T Position " .
OK or NG OK >> GO TO 2.
NG >> Adjust A/T position. Refer to AT-216, " Adjustment of A/T Position " .
Component " and
AT- 256 .
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts.
In "N" Position, Vehicle Moves INFOID:0000000004305475
SYMPTOM:
Vehicle moves forward or backwar d when selecting “N” position.
DIAGNOSTIC PROCEDURE Checking of A/T Position " .
OK or NG OK >> GO TO 2.
NG >> Adjust A/T position. Refer to AT-216, " Adjustment of A/T Position " .
Checking A/T Fluid " .
OK or NG OK >> GO TO 3.
NG >> Refill ATF. Component " .
2. Check A/T fluid condition. Refer to AT-51, " Inspections Before Trouble Diagnosis " .

AT
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2. Check the following items:
- Low & reverse brake assembly. Refer to AT-313, " Low & Reverse Brake " .
- Reverse clutch assembly. Refer to AT-296, " Reverse Clutch " .
OK or NG OK >> GO TO 6.
NG >> Repair or replace damaged parts. Component " .
2. Check A/T fluid condition. Refer to AT-51, " Inspections Before Trouble Diagnosis " .
OK or NG OK >> GO TO 8.
NG >> GO TO 7. Disassembly " .
2. Check the following items:
- Reverse clutch assembly. Refer to AT-296, " Reverse Clutch " .
- High clutch assembly. Refer to AT-301, " High Clutch " .
- Low & reverse brake assembly. Refer to AT-313, " Low & Reverse Brake " .
- Forward clutch assembly. Refer to AT-306, " Forward and Overrun Clutches " .
- Overrun clutch assembly. Refer to AT-306, " Forward and Overrun Clutches " .
OK or NG OK >> GO TO 8.
NG >> Repair or replace damaged parts. Check at Idle " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 9. TCM Terminal and Reference Value " .
2. If NG, recheck TCM pin terminals for dam age 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 INFOID:0000000004305478
SYMPTOM: Vehicle does not creep forward when selecting “D”, “2” or “1” position.
DIAGNOSTIC PROCEDURE Checking A/T Fluid " .
OK or NG OK >> GO TO 2.
NG >> Refill ATF. Inspections Before Trouble
Diagnosis " .
OK or NG OK >> GO TO 4.
NG >> GO TO 3.

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-256, " Disassembly " .
4. Check the following item:
- Oil pump assembly. Refer to AT-277, " Oil Pump " .
OK or NG OK >> GO TO 4.
NG >> Repair or replace damaged parts. Inspections Before Trouble Diagno-
sis " .
OK or NG OK >> GO TO 6.
NG >> GO TO 5. Disassembly " .
2. Check the following items:
- Oil pump assembly. Refer to AT-277, " Oil Pump " .
- Forward clutch assembly. Refer to AT-306, " Forward and Overrun Clutches " .
- Forward one-way clutch. Refer to AT-317, " Rear Internal Gear and Forward Clutch Hub " .
- Low one-way clutch. Refer to AT-256, " Disassembly " .
- Torque converter. Refer to AT-256, " Disassembly " .
OK or NG OK >> GO TO 7.
NG >> Repair or replace damaged parts. Component " .
2. Check A/T fluid condition. Refer to AT-51, " Inspections Before Trouble Diagnosis " .
OK or NG OK >> GO TO 7.
NG >> GO TO 5. Check at Idle " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 8. TCM Terminal 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 D 1 INFOID:0000000004305479
SYMPTOM:
Vehicle cannot be started from D 1 on “Cruise Test — Part 1”.

AT
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DIAGNOSTIC PROCEDURE Check at Idle " .
Is “ Vehicle Dose Not Creep Backward in “ R ” Position ” OK?
OK >> GO TO 2.
NG >> Go to AT-186, " Vehicle Does Not Creep Backward in "R" Position " .
CONSULT-III Functi
on (TRANSMISSION) " or
AT-83, " Diagnosis Pro-
cedure without CONSULT-III " .
Is any malfunction detected by self-diagnostic results? YES >> Check the malfuncti
oning system. Refer to AT-79, " CONSULT-III Functi
on (TRANSMISSION) " or
AT-83, " Diagnosis Procedure without CONSULT-III " .
NO >> GO TO 3. Description " (HR16DE),
EC-959, " Component
Description " (MR Type 1) or
EC-1481, " Component Description " (MR Type 2).
OK or NG OK >> GO TO 4.
NG >> Repair or replace accelerator pedal position sensor. Inspections Before Trou-
ble Diagnosis " .
OK or NG OK >> GO TO 6.
NG >> GO TO 5. 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-256, " Disassembly " .
4. Check the following items:
- Forward clutch assembly. Refer to AT-306, " Forward and Overrun Clutches " .
- Low one-way clutch. Refer to AT-256, " Disassembly " .
- Forward one-way clutch. Refer to AT-317, " Rear Internal Gear and Forward Clutch Hub " .
- High clutch assembly. Refer to AT-301, " High Clutch " .
- Torque converter. Refer to AT-256, " Disassembly " .
- Oil pump assembly. Refer to AT-277, " Oil Pump " .
OK or NG OK >> GO TO 8.
NG >> Repair or replace damaged parts. Component " .
2. Check A/T fluid condition. Refer to AT-51, " Inspections Before Trouble Diagnosis " .
OK or NG OK >> GO TO 7.
NG >> GO TO 5.

AT
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O P
Check accelerator pedal position sensor. Refer to
EC-412, " Description " (HR16DE),
EC-959, " Component
Description " (MR Type 1) or
EC-1481, " Component Description " (MR Type 2).
OK or NG OK >> GO TO 5.
NG >> Repair or replace accelerator pedal position sensor. Component " .
2. Check A/T fluid condition. Refer to AT-51, " Inspections Before Trouble Diagnosis " .
OK or NG OK >> GO TO 7.
NG >> GO TO 6. 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-256, " Disassembly " .
4. Check the following items:
- Servo piston assembly
- Brake band
OK or NG OK >> GO TO 8.
NG >> Repair or replace damaged parts. 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
OK or NG OK >> GO TO 8.
NG >> Repair or replace damaged parts. Cruise Test - Part 1 " and
AT-61, " Cruise Test - Part 2 " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 9. TCM Terminal and Reference Value " .
2. If NG, recheck TCM pin terminals for dam age or loose connection with harness connector.
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts.

Check at Idle " and
AT-58, " Cruise Test - Part 1 " .
Are “ Vehicle Does Not Creep Forward in “ D ” , “ 2 ” or “ 1 ” Position ” and “ Vehicle Cannot Be Started from D OK?
YES >> GO TO 2.
NO >> Go to AT-187, " Vehicle Does Not Creep Forward in "D", "2" or "1" Position " and
AT-188, " Vehicle
Cannot Be Started from D .
Checking of A/T Position " .
OK or NG OK >> GO TO 3.
NG >> Adjust A/T position. Refer to AT-216, " Adjustment of A/T Position " .
and
AT-154 .
OK or NG OK >> GO TO 4.
NG >> Repair or replace vehicle speed sensor·A/T (revolution sensor) and vehicle speed sensor·MTR circuits. Description " (HR16DE),
EC-959, " Component
Description " (MR Type 1) or
EC-1481, " Component Description " (MR Type 2).
OK or NG OK >> GO TO 5.
NG >> Repair or replace accelerator pedal position sensor. Component " .
2. Check A/T fluid condition. Refer to AT-51, " Inspections Before Trouble Diagnosis " .
OK or NG OK >> GO TO 7.
NG >> GO TO 6. Control Valve Assembly and Accumulators " .
2. Check the following items:
- Shift valve B
- Shift solenoid valve B
- Pilot valve
- Pilot filter
3. Disassemble A/T. Refer to AT-256, " Disassembly " .
4. Check the following items:
- Servo piston assembly
- High clutch assembly. Refer to AT-301, " High Clutch " .
- Oil pump assembly. Refer to AT-277, " Oil Pump " .
OK or NG OK >> GO TO 8.
NG >> Repair or replace damaged parts.