2009 NISSAN LATIO ignition

AT-170< SERVICE INFORMATION >
MAIN POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure INFOID:00000000043054631.
CHECK TCM POWER SOURCE
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector terminals and ground.
3. Turn ignition switch OFF.
4. Check voltage between TCM connector terminals and ground.
OK or NG OK >> GO TO 3.
NG >> GO TO 2. 2.
DETECT MALFUNCTIONING ITEM
Check the following items:
• Harness for short or open between ignition switch and TCM terminals 10, 19
• Harness for short or open between battery and TCM terminal 28
• 10A fuse (No.13, located in the fuse block) and 10A fuse (No.49, located in the IPDM E/R)
• Ignition switch. Refer to PG-3 .
OK or NG OK >> GO TO 3.
NG >> Repair or replace damaged parts. 3.
CHECK TCM GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between TCM connector terminals and ground.
OK or NG OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors. 4.
CHECK SYMPTOM
Drive for a while to check that there is no malfunction.
OK or NG Item
Connec-
tor Terminal Judgement standard (Approx.)
Power supply E31 10 Battery voltage
19 Battery voltage
Power supply
(memory back-up) E32 28 Battery voltage SCIA2656E
Item
Connec-
tor Terminal Judgement standard (Approx.)
Power supply E31 10 0 V
19 0 V
Power supply
(memory back-up) E32 28 Battery voltage SCIA2657E
Item Connector Terminal Continuity
Ground E32 25, 48 - Ground Yes SCIA2671E

PNP, OD SWITCH AND CLOSED THRO
TTLE, WIDE OPEN THROTTLE POSI-
TION SIGNAL CIRCUIT
AT-173
< SERVICE INFORMATION >
D
E
F
G H
I
J
K L
M A
B AT
N
O P 2.
CHECK PNP SWITCH CIRCUIT
With CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “TCM INPUT SIGNALS” in “DATA MONI TOR” mode for “TRANSMISSION” with CONSULT-III.
3. Read out “P·N”, “R”, “D”, “2” and “1” position switches moving selector lever to each position.
OK or NG OK >> GO TO 4.
NG >> Check PNP switch circuit. Refer to AT-91 .
3.
CHECK PNP SWITCH CIRCUIT
Without CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector terminals and ground while moving selector lever through each position. Refer to AT-92, " Wiring Diagram - AT - PNP/SW " .
B: Battery voltage
0: 0V
OK or NG OK >> GO TO 4.
NG >> Check PNP switch circuit. Refer to AT-91 .
Item name Condition Display value
PN POSI SW When setting selector le
ver to “N” or “P” posi-
tion. ON
When setting selector lever to other positions. OFF
R POSITION SW When setting selector lever to “R” position. ON
When setting selector lever to other positions. OFF
D POSITION SW When setting selector lever to “D” positions. ON
When setting selector lever to other positions. OFF
2 POSITION SW When setting selector lever to “2” position. ON
When setting selector lever to other positions. OFF
1 POSITION SW When setting selector lever to “1” position. ON
When setting selector lever to other positions. OFF Selector lever position
Terminal
36 35 34 27 26
“P”, “N” B 0 0 0 0 “R” 0 B 0 0 0
“D” 0 0 B 0 0 “2” 0 0 0 B 0
“1” 0 0 0 0 B SCIA7162E

AT-174< SERVICE INFORMATION >
PNP, OD SWITCH AND CLOSED THRO
TTLE, WIDE OPEN THROTTLE POSI-
TION SIGNAL CIRCUIT 4.
CHECK PNP SWITCH
1. Turn ignition switch OFF.
2. Disconnect PNP switch harness connector.
3. Check continuity between PNP switch harness connector termi- nals.
OK or NG OK >> GO TO 6.
NG >> GO TO 5. 5.
CHECK CONTROL CABLE ADJUSTMENT
Check PNP switch again with control cable disconnected from manual shaft of A/T assembly. Refer to test
group 4.
OK or NG OK >> Adjust control cable. Refer to
AT-216, " Adjustment of A/T Position " .
NG >> Check PNP switch (Refer to test group 1) again after adjusting PNP switch (Refer to AT-224 ).
• If OK, INSPECTION END
• If NG, repair or replace PNP switch. Refer to AT-224, " Park/Neutral Position (PNP) Switch " .
6.
DETECT MALFUNCTIONING ITEM
Check the following.
• Harness for short or open between ignition switch and PNP switch
• Harness for short or open between PNP switch and TCM
• Harness for short or open between PNP switch and combination meter
• Harness for short or open between combination meter and TCM
• 10A fuse (No.51, located in the IPDM E/R)
• Combination meter. Refer to DI-3 .
• Ignition switch. Refer to PG-3 .
OK or NG OK >> GO TO 7.
NG >> Repair or replace damaged parts. 7.
CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
With CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “TCM INPUT SIGNALS” in “DATA MONITO R” mode for “TRANSMISSION” with CONSULT-III.
3. Read out “OVERDRIVE SW”. Check the signal of ov erdrive control switch is indicated properly.
Without CONSULT-III
1. Turn ignition switch ON. (Do not start engine.) 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
Item name
Overdrive control switch
Condition Display value
OVERDRIVE SW Depressed ON
Released OFF

AT-182< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
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-79, " CONSULT-III Function (TRANSMISSION) " .
Is a malfunction in CAN communication indicated in the results? YES >> Check CAN communication line. Refer to
AT-88 .
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-169, " 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-169," Wiring Diagram - AT - MAIN " .
• Harness for short or open between battery and TCM connector terminal 28. Refer to AT-169, " 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-169," Wiring Diagram - AT - MAIN " .
• Ignition switch. Refer to PG-3 .
OK or NG OK >> GO TO 4.
NG >> Repair or replace damaged parts. 4.
CHECK TCM GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector. Item Connector Terminal Judgement standard (Approx.)
TCM connector E3110 -
Ground
Battery voltage
19 -
Ground
E32 28 -
Ground SCIA2656E
Item Connector Terminal Judgement standard (Approx.)
TCM connector E3110 -
Ground 0V
19 -
Ground 0V
E32 28 -
Ground Battery voltage SCIA2657E

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-199
< SERVICE INFORMATION >
D
E
F
G H
I
J
K L
M A
B 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
AT-192, " A/T Does Not Shift: D 2 → D 3 " .
NG >> Check overdrive control switch. Refer to AT-176, " Component Inspection " .
A/T Does Not Shift: D 3→ 22, When Selector Lever "D" → "2" Position INFOID:0000000004305488
SYMPTOM: A/T does not shift from D 3 to 2 2 when changing selector lever from “D” to “2” position on “Cruise
Test — Part 3”.
DIAGNOSTIC PROCEDURE 1.
CHECK SYMPTOM
Check symptom. Refer to AT-58, " Cruise Test - Part 1 " or
AT-61, " Cruise Test - Part 2 " .
Is “ A/T Does Not Shift: D 1 → D 2 or Does Not Kickdown: D 4 → D 2 ” OK?
YES (With CONSULT-III) >>GO TO 2.
YES (Without CONSULT-III) >>GO TO 3.
NO >> Go to AT-190, " A/T Does Not Shift: D 1 → D 2 or Does Not Kickdown: D 4 → D 2 " .
2.
CHECK PNP SWITCH CIRCUIT
With CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “TCM INPUT SIGNALS” in “DATA MONI TOR” mode for “TRANSMISSION” with CONSULT-III.
3. Read out “P·N”, “R”, “D”, “2” and “1” position switches moving selector lever to each position.
OK or NG OK >>
INSPECTION END
NG >> Check PNP switch. Refer to AT-176, " Component Inspection " .
3.
CHECK PNP SWITCH CIRCUIT
Without CONSULT-III 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 0V SCIA5336E
Monitor item Condition Display value
PN POSI SW When setting selector le
ver to “N” or “P” posi-
tion. ON
When setting selector lever to other positions. OFF
R POSITION SW When setting selector lever to “R” position. ON
When setting selector lever to other positions. OFF
D POSITION SW When setting selector lever to “D” positions. ON
When setting selector lever to other positions. OFF
2 POSITION SW When setting selector lever to “2” position. ON
When setting selector lever to other positions. OFF
1 POSITION SW When setting selector lever to “1” position. ON
When setting selector lever to other positions. OFF

AT-200< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector terminals and ground while moving selector lever through each position. Refer to AT-92, " Wiring Diagram - AT - PNP/SW " .
B: Battery voltage
0: 0V
OK or NG OK >>
INSPECTION END
NG >> Check PNP switch. Refer to AT-176, " Component Inspection " .
A/T Does Not Shift: 2 2→ 11, When Selector Lever "2" → "1" Position INFOID:0000000004305489
SYMPTOM:
A/T does not shift from 2 2 to 1 1 when changing selector lever from “2” to “1” position on “Cruise Test
— Part 3”.
DIAGNOSTIC PROCEDURE 1.
CHECK PNP SWITCH CIRCUIT
With CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “TCM INPUT SIGNALS” in “DATA MONITO R” mode for “TRANSMISSION” with CONSULT-III.
3. Read out “P·N”, “R”, “D”, “2” and “1” position switches moving selector lever to each position.
OK or NG Selector lever position
Terminal
36 35 34 27 26
“P”, “N” B 0 0 0 0 “R” 0 B 0 0 0
“D” 0 0 B 0 0 “2” 0 0 0 B 0
“1” 0 0 0 0 B SCIA7162E
Monitor item Condition Display value
PN POSI SW When setting selector le
ver to “N” or “P” posi-
tion. ON
When setting selector lever to other positions. OFF
R POSITION SW When setting selector lever to “R” position. ON
When setting selector lever to other positions. OFF
D POSITION SW When setting selector lever to “D” positions. ON
When setting selector lever to other positions. OFF
2 POSITION SW When setting selector lever to “2” position. ON
When setting selector lever to other positions. OFF
1 POSITION SW When setting selector lever to “1” position. ON
When setting selector lever to other positions. OFF

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-201
< SERVICE INFORMATION >
D
E
F
G H
I
J
K L
M A
B AT
N
O P
OK >> GO TO 3
NG >> Check PNP switch. Refer to AT-176, " Component Inspection " .
2.
CHECK PNP SWITCH CIRCUIT
Without CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector terminals and ground
while moving selector lever through each position. Refer to AT-92, " Wiring Diagram - AT - PNP/SW " .
B: Battery voltage
0: 0V
OK or NG OK >> GO TO 3
NG >> Check PNP switch. Refer to AT-176, " Component Inspection " .
3.
CHECK A/T POSITION
Check A/T position. Refer to AT-216, " Checking of A/T Position " .
OK or NG OK >> GO TO 4.
NG >> Adjust A/T position. Refer to AT-216, " Adjustment of A/T Position " .
4.
CHECK VEHICLE SPEED SENS OR·A/T AND VEHICLE SPEED SENSOR·MTR CIRCUIT
Check vehicle speed sensor·A/T (re volution sensor) and vehicle speed sensor·MTR circuit. Refer to AT-101and/or
AT-154 .
OK or NG OK >> GO TO 5.
NG >> Repair or replace vehicle speed sensor·A/T (revolution sensor) and/or vehicle speed sensor·MTR
circuits. 5.
CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-236, " 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. 6.
DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-221, " Control Valve Assembly and Accumulators " .
2. Check the following items: Selector lever position
Terminal
36 35 34 27 26
“P”, “N” B 0 0 0 0 “R” 0 B 0 0 0
“D” 0 0 B 0 0 “2” 0 0 0 B 0
“1” 0 0 0 0 B SCIA7162E

AT-202< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
- Shift valve A
- Shift solenoid valve A
- Overrun clutch control valve
- Overrun clutch solenoid valve
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 7.
NG >> Repair or replace damaged parts. 7.
CHECK SYMPTOM
Check again. Refer to AT-62, " Cruise Test - Part 3 " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 8. 8.
CHECK TCM
1. Check TCM input/output signals. 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.
Vehicle Does Not Decele rate by Engine Brake INFOID:0000000004305490
SYMPTOM:
• Vehicle does not decelerate by engi ne brake when shifting from 22 (1 2 ) to 1 1“Cruise Test — Part 3”.
• Vehicle does not decelerate by engine brake when OD OFF (OD OFF indicator lamp is on) on “Cruise
Test — Part 3”.
• Vehicle does not decelerate by engi ne brake when shifting A/T from “D” to “2” position on “Cruise
Test — Part 3”.
DIAGNOSTIC PROCEDURE 1.
CHECK CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to AT-79, " CONSULT-III Functi
on (TRANSMISSION) " or
AT-83, " Diagnosis Pro-
cedure without CONSULT-III " .
Is a malfunction in CAN communication indicated in the results? YES >> Check CAN communication line. Refer to
AT-88 .
NO >> GO TO 2. 2.
CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
With CONSULT-III
1. Turn ignition switch ON. (Do not start engine)
2. Select “TCM INPUT SIGNALS” in “DATA MONITO R” mode for “TRANSMISSION” with CONSULT-III.
3. Read out “OVERDRIVE SW”. Check the signal of the overdrive c ontrol switch is indicated properly. SAT778B