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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
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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 .
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CVT
N
O P
TROUBLE DIAGNOSIS FOR SYMPTOMS
Wiring Diagram - CVT - NONDTC INFOID:0000000004305799 B
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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
Page 1270 of 4331
![NISSAN LATIO 2009 Service Repair Manual 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 NISSAN LATIO 2009 Service Repair Manual 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](/manual-img/5/57359/w960_57359-1269.png)
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
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CVT
N
O P
Check again. Refer to
CVT-224, " Check before Engine Is Started " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 7. OK or NG
OK >>
INSPECTION END
NG >> Repair or replace damaged parts.
Engine Cannot Be Starte d in "P" and "N" Position INFOID:0000000004305801
SYMPTOM: • Engine cannot be started with select or lever in “P” or “N” position.
• Engine can be started with selector lever in “D”, “L” or “R” position.
DIAGNOSTIC PROCEDURE CONSULT-III Functi
on (TRANSMISSION) " .
Do the self-diagnostic results indicate PNP switch circuit? YES >> Check PNP switch circuit. Refer to
CVT-244 .
NO >> GO TO 2. Checking of CVT Position "
OK or NG
OK >> GO TO 3.
NG >> Adjust CVT position. Refer to CVT-345, " Adjustment of CVT Position " .
.
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts.
In "P" Position, Vehicle Moves Forward or Backward When Pushed INFOID:0000000004305802
SYMPTOM: Vehicle moves when it is pushed forward or backward with selector lever in “P” position.
DIAGNOSTIC PROCEDURE CONSULT-III Functi
on (TRANSMISSION) " .
Do the self-diagnostic results indicate PNP switch circuit? YES >> Check PNP switch circuit. Refer to
CVT-244 .
NO >> GO TO 2. Checking of CVT Position "
OK or NG
OK >> GO TO 3.
NG >> Adjust CVT position. Refer to CVT-345, " Adjustment of CVT Position " .
Check at Idle " .
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OK >>
INSPECTION END
NG >> Replace the transaxle assembly. Refer to CVT-354, " Removal and Installation " .
In "N" Position, Vehicle Moves INFOID:0000000004305803
SYMPTOM:
Vehicle moves forward or backwar d when selecting “N” position.
DIAGNOSTIC PROCEDURE CONSULT-III Function (TRANSMISSION) " .
Do the self-diagnostic results indicate PNP switch circuit? YES >> Check PNP switch circuit. Refer to
CVT-244 .
NO >> GO TO 2. Checking of CVT Position "
OK or NG
OK >> GO TO 3.
NG >> Adjust CVT position. Refer to CVT-345, " Adjustment of CVT Position " .
Checking CVT Fluid " .
OK or NG OK >> GO TO 4.
NG >> Refill CVT fluid. Check at Idle " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 5. TCM Terminal and Reference Value " .
2. If NG, re-check TCM pin terminals for damage or loose connection with harness connector.
OK or NG OK >> Replace the transaxle assembly. Refer to
CVT-354, " Removal and Installation " .
NG >> Repair or replace damaged parts.
Large Shock "N" → "R" Position INFOID:0000000004305804
SYMPTOM:
There is large shock when shif ting from “N” to “R” position.
DIAGNOSTIC PROCEDURE CONSULT-III Function (TRANSMISSION) " .
Is any malfunction detec ted by self-diagnosis?YES >> Check the malfunctioning system. Refer to
CVT-230, " CONSULT-III Function (TRANSMISSION) " .
NO >> GO TO 2. Idle Speed and Ignition Timing Check " .
OK or NG