2009 NISSAN LATIO air condition

OVERDRIVE CONTROL SWITCH
CVT-319
< SERVICE INFORMATION >
[RE0F08B] D
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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

CVT SHIFT LOCK SYSTEM
CVT-337
< SERVICE INFORMATION >
[RE0F08B] D
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•
Selector lever can be moved fr om “P” position with ignition key in ON position and brake pedal
released.
• Selector lever can be moved from “P” position when ignition switch is removed from key cylinder.
SYMPTOM 2:
• Ignition key cannot be removed when sel ector lever is set to “P” position.
• Ignition key can be removed wh en selector lever is set to any position except “P” position.1.
CHECK KEY INTERLOCK CABLE
Check key interlock cable for damage.
OK or NG OK >> GO TO 2.
NG >> Repair key interlock cable. Refer to AT-218, " Removal and Installation " .
2.
CHECK CVT POSITION
Check CVT position. Refer to CVT-345, " Checking of CVT Position " .
OK or NG OK >> GO TO 3.
NG >> Adjust control cable. Refer to CVT-345, " Adjustment of CVT Position " .
3.
CHECK SHIFT LOCK SOLENOID AND PARK POSITION SWITCH
1. Turn ignition switch ON. (Do not start engine.)
2. Selector lever is set in “P” position.
3. Check operation sound.
OK or NG OK >>
INSPECTION END
NG - 1 >> With intelligent key: GO TO 4.
NG - 2 >> Without intelligent key: GO TO 5. 4.
CHECK POWER SOURCE
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between CVT device harness connector terminal 5 and ground.
OK or NG OK >> GO TO 8.
NG >> GO TO 6. 5.
CHECK POWER SOURCE
1. Turn ignition switch ON. (Do not start engine.) Condition Brake pedal Operation sound
When ignition switch is turned to ON position and selector lever is set in
“P” position. Depressed Yes
Released No Voltage:
Brake pedal depressed: Battery voltage
Brake pedal released: 0V SCIA7934E

CVT-338< SERVICE INFORMATION >
[RE0F08B]
CVT SHIFT LOCK SYSTEM
2. Check voltage between CVT device harness connector terminal 5 and ground.
OK or NG OK >> GO TO 9.
NG >> GO TO 6. 6.
CHECK STOP LAMP SWITCH
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check continuity between stop lamp switch harness connector
terminals 3 and 4.
Check stop lamp switch after adjusting brake pedal. Refer to
BR-6 .
OK or NG OK >> GO TO 7.
NG >> Repair or replace damaged parts. 7.
DETECT MALFUNCTIONING ITEM
Check the following. If any items are damaged, repair or replace damaged parts.
• Harness for short or open between ignition switch and stop lamp switch harness connector
• Harness for short or open between stop lamp switch harness connector and CVT device harness connector
• 10A fuse [No.3, located in the fuse block (J/B)]
• Ignition switch, Refer to PG-3 .
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts. 8.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect CVT device harness connector.
3. Check continuity between CVT device harness connector termi- nal 6 and ground.
4. Connect CVT device harness connector.
OK or NG OK >> Replace shift lock solenoid and park position switch
assembly.
NG >> Repair open circuit or short to ground or short to power in harness or connectors. 9.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect CVT device harness connector. Voltage:
Brake pedal depressed: Battery voltage
Brake pedal released: 0V SCIA7935E
Condition Continuity
When brake pedal is depressed Yes
When brake pedal is released No SCIA2126E
Continuity should exist.
SCIA7936E

CONSULT-III display Malfunction Reference page
CAN COMM CIRC [U1000] Malfunction is detected in CAN communication lines.
CAUTION:
Even when there is no malfunct ion on CAN communication system, mal-
function may be misinterpreted when battery has low voltage (when main-
taining 7 - 8 V for about 2 seconds) or 10A fuse [No. 14, located in the fuse
block (J/B)] is removed. DI-18VEHICLE SPEED CIRC [B2205]
Malfunction is detected when an erroneous speed signal is input.
CAUTION:
Even when there is no malfunction on speed signal system, malfunctions
may be misinterpreted when battery has low voltage (when maintaining 7
- 8 V for about 2 seconds). DI-15Display item [Unit]
MAIN
SIGNALS SELECTION
FROM MENU Contents
SPEED METER [km/h] X X The value of vehicle speed sign
al, which is input from ABS ac-
tuator and electric unit (control unit).
SPEED OUTPUT [km/h] X X The value of vehicle speed signal, which is transmitted to each
unit with CAN communication.
TACHO METER [rpm] X X The value of engine speed signal, which is input from ECM.
W TEMP METER [ °C] X X The value of engine coolant temperature signal, which is input
from ECM.
FUEL METER [lit.] X X The value, which processes a resistance signal from fuel
gauge.
DISTANCE [km] X X The value, which is calculated by vehicle speed signal from
ABS actuator and electric unit (con trol unit), fuel gauge and fuel
consumption signal from ECM.
FUEL W/L [ON/OFF] X X Indicates [ON/OFF] condition of low-fuel warning lamp.
C-ENG W/L [ON/OFF] X Indicates [ON/OFF] condition of malfunction indicator lamp
(MIL).
AIR PRES W/L X Indicates [ON/OFF] condition of low tire pressure warning lamp.
SEAT BELT W/L X Indicates [ON/OFF] condition of seat belt warning lamp.
BUZZER [ON/OFF] X X Indicates [ON/ OFF] condition of buzzer.
DOOR W/L [ON/OFF] X Indicates [ON/OFF] condition of door warning lamp.
HI-BEAM IND [ON/OFF] X Indicat es [ON/OFF] condition of high beam indicator lamp.

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NOTE:
Some items are not available due to vehicle specification.
*: The monitor will indicate “OFF” even though the brake warnin g lamp is on if either of the following conditions exist.
• The parking brake is engaged
• The brake fluid level is low
Trouble Diagnosis INFOID:0000000004307005
HOW TO PERFORM TROUBLE DIAGNOSIS 1. Confirm the symptom or customer complaint.
2. Perform preliminary check. Refer to "PRELIMINARY CHECK" .
3. According to the symptom chart, repair or replace the cause of the malfunction. Refer to DI-14, " Symptom
Chart " .
4. Does the meter operate normally? If so, GO TO 5. If not, GO TO 2.
5. Inspection End.
PRELIMINARY CHECK Self-Diagnosis Mode of Combination Meter " .
Does self - diagnosis mode operate?
YES >> GO TO 2.
TURN IND [ON/OFF] X Indicates [ON/O
FF] condition of turn indicator.
OIL W/L [ON/OFF] X Indicates [ON/OFF] condition of oil pressure warning lamp.
ABS W/L [ON/OFF] X Indicates [ON/O FF] condition of ABS warning lamp.
BRAKE W/L [ON/OFF] X Indicates [ON/OFF] condition of brake warning lamp.*
KEY G W/L [ON/OFF] X Indicates [ON/OFF] condition of KEY warning lamp (green).
KEY R W/L [ON/OFF] X Indicates [ON/OFF] condition of KEY warning lamp (red).
KEY KNOB W/L [ON/OFF] X Indicates [ON/OFF] condition of LOCK warning lamp.
PNP P SW [ON/OFF] X X Indicates [ON/OFF] condition of inhibitor P switch.
PNP N SW [ON/OFF] X X Indicates [ON/OFF] condition of inhibitor N switch.
O/D OFF SW [ON/OFF] X Indicates [ON/ OFF] condition of O/D OFF switch.
BRAKE SW [ON/OFF] X Indicates [ON/OFF] condition of parking brake switch.
P RANGE IND [ON/OFF] X X Indicates [ON/OFF] condition of A/T or CVT shift P range indi-
cator.
R RANGE IND [ON/OFF] X X Indicates [ON/OFF] condition of A/T or CVT shift R range indi-
cator.
N RANGE IND [ON/OFF] X X Indicates [ON/OFF] condition of A/T or CVT shift N range indi-
cator.
D RANGE IND [ON/OFF] X X Indicates [ON/OFF] condition of A/T or CVT shift D range indi-
cator.
2 RANGE IND [ON/OFF] X X Indicates [ON/OFF] condition of A/T shift 2 range indicator.
L RANGE IND [ON/OFF] X X Indicates [ON/OFF] condition of CVT shift L range indicator.
1 RANGE IND [ON/OFF] X X Indicates [ON/OFF] condition of A/T shift 1 range indicator.
CRUISE IND [ON/OFF] X Indicates [ON/O FF] condition of CRUISE indicator.
SET IND [ON/OFF] X Indicates [ON/OFF] condition of SET indicator.
O/D OFF W/L [ON/OFF] X Indicates [ON/OFF] condition of O/D OFF indicator lamp.
e-4WD W/L [ON/OFF] X This item is not used for this model. “OFF” is always displayed.
EPS W/L [ON/OFF] X Indicates [ON/O FF] condition of EPS warning lamp.
Display item [Unit]
MAIN
SIGNALS SELECTION
FROM MENU Contents

Electrical Component Inspection " .
OK or NG OK >> Check fuel level sensor unit installation, and c
heck whether the float arm interferes or binds with
any of the internal components in the fuel tank. Repair or replace malfunctioning part, if neces-
sary.
NG >> Replace fuel level sensor unit.
Fuel Gauge Fluctuat es, Indicates Wrong Value, or Varies INFOID:0000000004307011YES >> The pointer fluctuation may be caused by fuel
level change in the fuel tank. Condition is normal.
NO >> Ask the customer about the situation when the symptom occurs in detail, and perform the trouble
diagnosis.
Fuel Gauge Does Not Mo ve to Full-position INFOID:0000000004307012YES >> GO TO 2.
NO >> GO TO 3. YES >> Be sure to fuel the vehicle with the ignition switch OFF. Otherwise, it will take a long time to move
to FULL position because of the c haracteristic of the fuel gauge.
NO >> GO TO 3. YES >> Check the fuel level indication with vehicle on a level surface.
NO >> GO TO 4. YES >> Check the components. Refer to
DI-19, " Electrical Component Inspection " .
NO >> The float arm may interfere or bind with any of the components in the fuel tank.
DTC [U1000] CAN Communication Circuit INFOID:0000000004307013
Symptom: Display CAN COMM CIRC [U1000] at the re sult of self-diagnosis for combination meter. Trouble Diagnosis Flow Chart " .

OK >> Replace IPDM E/R. Refer to
PG-27, " Removal and
Installation of IPDM E/R " .
NG >> GO TO 3. Component Inspection " .
OK or NG OK >> GO TO 4.
NG >> Replace oil pressure switch. OK >> Replace IPDM E/R. Refer to
PG-27, " Removal and
Installation of IPDM E/R " .
NG >> Repair harness or connector. - diagnostic results content
No malfunction detected>>GO TO 6.
Malfunction detected>> Check applicable parts, and repair or replace as necessary. OK >> Replace combination meter. Refer to
IP-12, " Removal and Installation " .
NG >> Replace IPDM E/R. Refer to PG-27, " Removal and Installation of IPDM E/R " .
Terminals
ConditionVoltage (Ap-
prox.)
(+)
(–)
IPDM E/R
connector Terminal
E46 37 Ground Engine stopped 0 V