2011 NISSAN LATIO diagram

EC-906
< SERVICE INFORMATION >[MR18DE]
DTC P0850 PNP SWITCH
Diagnosis Procedure
INFOID:0000000006342090
A/T MODELS AND CVT MODELS
1.CHECK TRANSMISSION RANGE SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect transmission range switch harness connector.
3. Turn ignition switch ON.
4. Check voltage between transmission range switch terminal 1 and ground with CONSULT-III or tester.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness for open or short between transmission range switch and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK PNP INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between transmission range switch terminal 2 and ECM terminal 69.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
TERMI- NAL NO. WIRE
COLOR ITEM
CONDITION DATA (DC Voltage)
69 L PNP signal [Ignition switch: ON]
• Shift lever: P or N (A/T, CVT),
Neutral (M/T) BATTERY VOLTAGE
(11 - 14 V)
[Ignition switch: ON]
• Except above Approximately 0 V
A/T
CVT
Voltage: Battery voltage
PBIB3002EJMBIA2080ZZ
Continuity should exist.
Revision: May 2010 2011 Versa

DTC P0850 PNP SWITCHEC-907
< SERVICE INFORMATION > [MR18DE]
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4.CHECK TRANSMISSION RANGE SWITCH
Refer to AT-94, "
Component Inspection" (A/T), CVT-65, "Component Inspection" (CVT).
OK or NG
OK >> GO TO 5.
NG >> Replace transmission range switch.
5.CHECK INTERMITTENT INCIDENT
Refer to EC-632
.
>> INSPECTION END
M/T MODELS
1.CHECK PNP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect PNP switch harness connector.
3. Turn ignition switch ON.
4. Check voltage between PNP switch terminal 2 and ground with CONSULT-III or tester.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness for open or short between PNP switch and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK PNP INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between PNP switch terminal 3 and ECM terminal 69. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
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 PNP SWITCH
Refer to MT-57, "
Checking".
OK or NG
OK >> GO TO 5.
NG >> Replace PNP switch.
5.CHECK INTERMITTENT INCIDENT
Refer to EC-632
.
Voltage: Battery voltage
PBIB3003E
Continuity should exist.
Revision: May 2010
2011 Versa

DTC P1217 ENGINE OVER TEMPERATUREEC-915
< SERVICE INFORMATION > [MR18DE]
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Wiring DiagramINFOID:0000000006342104
BBWA2997E
Revision: May 2010
2011 Versa

EC-918
< SERVICE INFORMATION >[MR18DE]
DTC P1217 ENGINE OVER TEMPERATURE
3. Check voltage between IPDM E/R terminal 22 and ground with
CONSULT-III or tester.
OK or NG
OK >> GO TO 10.
NG >> GO TO 9.
9.DETECT MALFUNCTIONING PART
Check the following.
• 50 A fusible link
• Harness for open or short between IPDM E/R and battery
>> Repair open circuit or short to ground in harness or connectors.
10.CHECK IPDM E/R GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connectors E46 and E48.
3. Check harness continuity between IPDM E/R terminals 59, 39 and ground. Refer to Wiring Diagram.
4. Also check harness for short to power.
OK or NG
OK (Models with A/C)>>GO TO 11.
OK (Models without A/C)>>GO TO 13.
NG >> Repair open circuit or short to power in harness or connectors.
11 .CHECK COOLING FAN MOTOR CIRCUIT
1. Disconnect cooling fan motor harness connector.
2. Check harness continuity between the followings; Cooling fan motor terminal 1 and IPDM E/R terminals 20, 24.
Cooling fan motor terminal 2 and ground.
Refer to wiring diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 15.
NG >> GO TO 12.
12.DETECT MALFUNCTIONING PART
Check the following.
• Harness for open or short between cooling fan motor and IPDM E/R
• Harness for open or short between cooling fan motor and ground
•Resistor E5
>> Repair open circuit or short to ground or short to power in harness or connectors.
13.CHECK COOLING FAN MOTOR CIRCUIT
1. Disconnect cooling fan motor harness connector.
2. Check harness continuity between the followings; Cooling fan motor terminal 1 and IPDM E/R terminal 20.Voltage: Battery voltage
PBIB2067E
Continuity should exist.
Continuity should exist.
Revision: May 2010
2011 Versa

DTC P1217 ENGINE OVER TEMPERATUREEC-919
< SERVICE INFORMATION > [MR18DE]
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Cooling fan motor terminal 2 and IPDM E/R terminal 24.
Cooling fan motor terminal 3 and IPDM E/R terminal 23.
Cooling fan motor terminal 4 and ground.
Refer to wiring diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 15.
NG >> GO TO 14.
14.DETECT MALFUNCTIONING PART
Check the following.
• Harness for open or short between cooling fan motor and IPDM E/R
• Harness for open or short between cooling fan motor and ground
>> Repair open circuit or short to ground or short to power in harness or connectors.
15.CHECK COOLING FAN MOTOR
Refer to EC-920, "
Component Inspection".
OK or NG
OK >> GO TO 16.
NG >> Replace cooling fan motor.
16.CHECK INTERMITTENT INCIDENT
Perform EC-632
.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-28, "Removal and Installation of IPDM E/R".
NG >> Repair or replace harness or connector.
Main 13 Causes of OverheatingINFOID:0000000006342106
Continuity should exist.
Engine Step Inspection item EquipmentStandardReference
OFF 1
• Blocked radiator
• Blocked condenser
• Blocked radiator grille
• Blocked bumper • Visual
No blocking —
2 • Coolant mixture • Coolant tester See MA-15, "
Anti-freeze Coolant Mixture Ratio".
3 • Coolant level • VisualCoolant up to MAX level in
reservoir tank and radiator
filler neck See
MA-26, "
ENGINE
COOLANT : Inspection".
4 • Radiator cap • Pressure tester See CO-39, "
Checking Radiator Cap".
ON*
25 • Coolant leaks • VisualNo leaks See CO-36, "Inspection".
ON*
26 • Thermostat • Touch the upper and
lower radiator hoses Both hoses should be hot See CO-47, and
CO-40
ON*17 • Cooling fan • CONSULT-IIIOperating See trouble diagnosis for
DTC P1217 (
EC-916, "Di-
agnosis Procedure").
OFF 8 • Combustion gas leak • Color checker chemical
tester 4 Gas analyzer Negative
—
ON*
39 • Coolant temperature
gauge •Visual
Gauge less than 3/4 when
driving —
• Coolant overflow to res- ervoir tank •Visual No overflow during driving
and idling See
CO-36
.
Revision: May 2010 2011 Versa

DTC P1564 ASCD STEERING SWITCHEC-927
< SERVICE INFORMATION > [MR18DE]
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Wiring DiagramINFOID:0000000006342126
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals wh
en measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground ot her than ECM terminals, such as the ground.
ABBWA0362GB
Revision: May 2010 2011 Versa

DTC P1564 ASCD STEERING SWITCHEC-929
< SERVICE INFORMATION > [MR18DE]
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Without CONSULT-III
1. Turn ignition switch ON.
2. Check voltage between ECM terminal 94 and ground with press- ing each button.
OK or NG
OK >> GO TO 8.
NG >> GO TO 3.
3.CHECK ASCD STEERING SWITCH GRO UND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect combination switch harness connector M31.
3. Disconnect ECM harness connector.
4. Check harness continuity between combinati on switch terminal 15 and ECM terminal 95.
Refer to Wiring Diagram.
5. Also check harness for short to ground or short to power.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors M69, E7
• Combination switch (spiral cable)
• Harness for open and short between ECM and combination switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK ASCD STEERING SWITCH INPUT S IGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 94 and combination switch terminal 14. Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
RESUME/AC-
CELERATE
switch RESUME/ACC SW
Pressed
ON
Released OFF
SET/COAST
switch SET SW Pressed
ON
Released OFF
Switch
Monitor item Condition Indication
Switch Condition Voltage (V)
MAIN switch Pressed
Approx. 0
Released Approx. 4.0
CANCEL switch Pressed
Approx. 1.0
Released Approx. 4.0
RESUME/ACCELER-
ATE switch Pressed
Approx. 3.0
Released Approx. 4.0
SET/COAST switch Pressed
Approx. 2.0
Released Approx. 4.0
PBIB3343E
Continuity should exist.
Continuity should exist.
Revision: May 2010 2011 Versa

DTC P1572 ASCD BRAKE SWITCHEC-933
< SERVICE INFORMATION > [MR18DE]
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Wiring DiagramINFOID:0000000006342133
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals wh
en measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground ot her than ECM terminals, such as the ground.
ABBWA0628GB
Revision: May 2010 2011 Versa