NISSAN LATIO 2009 Service Repair Manual

CVT
N
O P
OVERDRIVE CONTROL SWITCH
Description INFOID:0000000004305791
• Overdrive control switch is installed to the selector lever.
• O/D OFF indicator turns ON, and overdrive driving activates when pressing the overdrive control switch while driving in “D” position. O/D OFF indicator turns OFF, and “D” position driving starts when pressing the
overdrive control switch while driving in the overdriv e-off mode. Shifting the selector lever in any position
other than “D” releases the overdrive-off mode.
CONSULT-III Reference Val ue in Data Monitor Mode INFOID:0000000004305792
Item name Condition Display value
SPORT MODE SW While pushing overdrive cancel switch ON
Other conditions OFF

TCM Terminal and Reference Value " .
Diagnosis Procedure INFOID:0000000004305794 B

OVERDRIVE CONTROL SWITCH
CVT-319
< SERVICE INFORMATION >
[RE0F08B] D
E
F
G H
I
J
K L
M A
B CVT
N
O P
Perform the self-diagnosis check. Refer to
CVT-230, " CONSULT-III Functi
on (TRANSMISSION) " .
Is any malfunction of the “ U1000 CAN COMM CIRCUIT ” indicated in the results?
YES >> Check CAN communication line. Refer to
CVT-238 .
NO >> GO TO 2. 2.
CHECK OVERDRIVE CO NTROL SWITCH SIGNAL
With CONSULT-III
1. Turn ignition switch ON.
2. Select “ECU INPUT SIGNALS” in “DATA MONITO R” mode for “TRANSMISSION” with CONSULT-III.
3. Read out ON/OFF switching action of the “SPORT MODE SW”.
OK or NG OK >>
INSPECTION END
NG >> GO TO 3. 3.
CHECK OVERDRIVE CONTROL SWITCH
Check overdrive control switch. Refer to CVT-320, " Component Inspection "
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts. 4.
CHECK SELF-DIAGNOSTIC RESU LTS (COMBINATION METER)
Perform self-diagnosis check. Refer to DI-10, " Self-Diagnosis Mode of Combination Meter " .
Is any malfunction detected by self-diagnostic? YES >> Check the malfunctioning system.
NO - 1 >> With intelligent key: GO TO 5.
NO - 2 >> Without intelligent key: GO TO 6. 5.
CHECK OVERDRIVE CO NTROL SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect CVT device connector and combination meter connector.
3. Check continuity between CVT device harness connector (A)
terminal and combination meter harness connector (B) terminal.
Item name Condition Display value
SPORT MODE SW While pushing overdrive
cancel switch ON
Other conditions OFF Item Connector Terminal Continuity
CVT device harness connector M38 1 Yes
Combination meter harness
connector M24 8 SCIA7949E

CVT-320< SERVICE INFORMATION >
[RE0F08B]
OVERDRIVE CONTROL SWITCH
4. Check continuity between CVT device harness connector termi- nal and ground.
5. If OK, check harness for short to ground and short to power.
6. Reinstall any part removed.
OK or NG OK >>
INSPECTION END
NG >> Repair open circuit or short to ground or short to power
in harness or connectors. 6.
CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect CVT device connector and combination meter connector.
3. Check continuity between CVT device harness connector (A)
terminal and combination meter harness connector (B) terminal.
4. Check continuity between CVT device harness connector termi- nal and ground.
5. If OK, check harness for short to ground and short to power.
6. Reinstall any part removed.
OK or NG OK >>
INSPECTION END
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
Component Inspection INFOID:0000000004305795
OVERDRIVE CONTROL SWITCH
With Intelligent Key
Check continuity between CVT device harness connector terminals.
Without Intelligent Key Item Connector Terminal Continuity
CVT device harness connector M38 2 - ground Yes SCIA7950E
Item Connector Terminal Continuity
CVT device harness connector M38 1 Yes
Combination meter harness
connector M24 8 SCIA7951E
Item Connector Terminal Continuity
CVT device harness connector M38 2 - ground Yes SCIA7952E
Item Condition Connector Terminal Continuity
Overdrive con-
trol switch While pushing
overdrive control
switch M38 1 - 2 Yes
Other conditions No SCIA7942E

OVERDRIVE CONTROL SWITCH
CVT-321
< SERVICE INFORMATION >
[RE0F08B] D
E
F
G H
I
J
K L
M A
B CVT
N
O P
Check continuity between CVT dev
ice harness connector terminals.
Item Condition Connector Terminal Continuity
Overdrive con-
trol switch While pushing
overdrive control
switch M38 1 - 2 Yes
Other conditions No SCIA7943E

OK >>
INSPECTION END
NG >> Check the following.
SHIFT POSITION INDICATOR SYMPTOM CHART Item name Condition Display value
RANGE Selector lever in “N
” or “P” position. N·P
Selector lever in “R” position. R
Selector lever in “D” position. D
Selector lever in “L” position. L Items Presumed location of trouble
Actual position does not change. Park/neutral position switch
• Refer to CVT-244 .
CVT main system (Fail-safe function actuated)
• Refer to CVT-230, " CONSULT-III Functi
on (TRANSMISSION) " .
Shift position indicator in the combination meter does not indicate
any position. Perform the self-diagnosis for CVT and the combination meter.
• Refer to CVT-230, " CONSULT-III Functi
on (TRANSMISSION) "
and DI-3 .
Actual position changes, but the shift position indicator in the com-
bination meter does not change.
Actual position differs from the shift position indicator in the com-
bination meter.
Shift position indicator in the combination meter does not indicate
specific position only. Check the combination meter.
• Refer to DI-3 .

CVT
N
O P
TROUBLE DIAGNOSIS FOR SYMPTOMS
Wiring Diagram - CVT - NONDTC INFOID:0000000004305799 B

B

CVT
N
O P
TCM TERMINALS AND REFERENCE VALUES Refer to CVT-228, " TCM Terminal and Reference Value " .
O/D OFF Indicator Lamp Does Not Come On INFOID:0000000004305800
SYMPTOM: B

CVT-326< SERVICE INFORMATION >
[RE0F08B]
TROUBLE DIAGNOSIS FOR SYMPTOMS
O/D OFF indicator lamp does not come on for about 2 seconds when turning ignition switch ON.
DIAGNOSTIC PROCEDURE 1.
CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis check. Refer to CVT-230, " CONSULT-III Function (TRANSMISSION) " .
Is any malfunction of the “ U1000 CAN COMM CIRCUIT ” indicated in the results?
YES >> Check CAN communication line. Refer to
CVT-238 .
NO >> GO TO 2. 2.
CHECK TCM POWER SOURCE
1. Turn ignition switch ON.
2. Check voltage between TCM connector terminals and ground.
Refer to CVT-296, " Wiring Diagram - CVT - POWER " .
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 terminal 10, 19
Refer to CVT-296, " Wiring Diagram - CVT - POWER " .
• 10 A fuse (No.49, located in the IPDM E/R). Refer to CVT-296, " Wiring Diagram - CVT - POWER " .
• 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.
3. Check continuity between TCM connector terminals and ground. Refer to CVT-296, " Wiring Diagram - CVT - POWER " .
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 and fuse for short or open between ignition switch and O/D OFF indicator lamp Refer to PG-3 .
OK or NG OK >> GO TO 6.
NG >> Repair or replace damaged parts. 6.
CHECK SYMPTOMName
Connec-
tor Terminal Voltage (Approx.)
Power supply E31 10 Battery voltage
19 Battery voltage SCIA4737E
Name
Connec-
tor Terminal Continuity
Ground E32 25
Yes
48 SCIA2671E