2011 NISSAN LATIO brake

ASCD BRAKE SWITCHEC-997
< SERVICE INFORMATION > [MR18DE]
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Wiring DiagramINFOID:0000000006342221
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.
ABBWA0629GB
Revision: May 2010 2011 Versa

EC-998
< SERVICE INFORMATION >[MR18DE]
ASCD BRAKE SWITCH
Diagnosis Procedure
INFOID:0000000006342222
1.CHECK OVERALL FUNCTION-I
With CONSULT-III
1. Turn ignition switch ON.
2. Select “BRAKE SW1” in “DAT A MONITOR” mode with CONSULT-III.
3. Check “BRAKE SW1” indication under the following conditions.
M/T models
A/T and CVT models
Without CONSULT-III
1. Turn ignition switch ON.
2. Check voltage between ECM terminal 100 and ground under the following conditions.
M/T models
A/T and CVT models
OK or NG
OK >> GO TO 2.
NG (M/T models) >>GO TO 3.
NG (A/T and CVT models) >>GO TO 4.
2.CHECK OVERALL FUNCTION-II
With CONSULT-III
Check “BRAKE SW2” indication in “DATA MONITOR” mode.
TERMI-
NAL NO. WIRE
COLOR ITEM
CONDITION DATA (DC Voltage)
99 R Stop lamp switch [Ignition switch: ON]
• Brake pedal: Fully released
Approximately 0 V
[Ignition switch: ON]
• Brake pedal: Slightly depressed BATTERY VOLTAGE
(11 - 14 V)
100 G ASCD brake switch [Ignition switch: ON]
• Brake pedal: Slightly depressed (A/T, CVT)
• Brake pedal and/or clutch pedal: Slightly de-
pressed (M/T) Approximately 0 V
[Ignition switch: ON]
• Brake pedal: Fully released (A/T, CVT)
• Brake pedal and clutch pedal: Fully released (M/T) BATTERY VOLTAGE
(11 - 14 V)
Condition Indication
Clutch pedal and/or brake pedal: Slightly depressed OFF
Clutch pedal and brake pedal: Fully released ON
Condition Indication
Brake pedal: Slightly depressed OFF
Brake pedal: Fully released ON
Condition Voltage
Clutch pedal and/or brake pedal: Slightly depressed Approximately 0 V
Clutch pedal and brake pedal: Fully released Battery voltage
Condition Voltage
Brake pedal: Slightly depressed Approximately 0 V
Brake pedal: Fully released Battery voltage
PBIB3315E
Revision: May 2010 2011 Versa

ASCD BRAKE SWITCHEC-999
< SERVICE INFORMATION > [MR18DE]
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Without CONSULT-III
Check voltage between ECM terminal 99 and ground under the fol-
lowing conditions.
OK or NG
OK >> INSPECTION END.
NG >> GO TO 11.
3.CHECK ASCD CLUTCH SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ASCD clutch switch (1) harness connector.
- Clutch pedal (2)
3. Turn ignition switch ON.
4. Check voltage between ASCD clutch switch terminal 1 and ground under the following conditions with CONSULT-III or
tester.
OK or NG
OK >> GO TO 9.
NG >> GO TO 4.
4.CHECK ASCD BRAKE SWITCH POWER SUPPLY
1. Turn ignition switch OFF.
Condition Indication
Brake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
ConditionVoltage
Brake pedal: Fully released Approximately 0 V
Brake pedal: Slightly depressed Battery voltage
PBIB0311E
BBIA0709E
ConditionVoltage
Brake pedal: Fully released Battery voltage
Brake pedal: Slightly depressed Approx. 0 V
PBIB0857E
Revision: May 2010 2011 Versa

EC-1000
< SERVICE INFORMATION >[MR18DE]
ASCD BRAKE SWITCH
2. Disconnect ASCD brake switch (2) harness connector.
- Stop lamp switch (1)
3. Turn ignition switch ON.
4. Check voltage between ASCD brake switch terminal 1 and
ground with CONSULT-III or tester.
OK or NG
OK (M/T models) >>GO TO 6.
OK (A/T and CVT m odels) >>GO TO 7.
NG >> GO TO 5.
5.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors M69, E7
• 10 A fuse
• Harness for open or short between ASCD brake switch and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between ASCD brake switch terminal 2 and ASCD clutch switch terminal 1.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
7.CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 100 and ASCD brake switch terminal 2. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
8.CHECK ASCD BRAKE SWITCH
Refer to EC-938, "
Component Inspection".
BBIA0708E
Voltage: Battery voltage
PBIB0857E
Continuity should exist.
Continuity should exist.
Revision: May 2010 2011 Versa

ASCD BRAKE SWITCHEC-1001
< SERVICE INFORMATION > [MR18DE]
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OK or NG
OK >> GO TO 15.
NG >> Replace ASCD brake switch.
9.CHECK ASCD CLUTCH SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 100 and ASCD clutch switch terminal 2. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 10.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
10.CHECK ASCD CLUTCH SWITCH
Refer to EC-938, "
Component Inspection"
OK or NG
OK >> GO TO 15.
NG >> Replace ASCD clutch switch.
11 .CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch (1) harness connector.
- ASCD brake switch (2)
3. Check voltage between stop lamp switch terminal 1 and ground with CONSULT-III or tester.
OK or NG
OK >> GO TO 13.
NG >> GO TO 12.
12.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors M69, E7
• 10 A fuse Continuity should exist.
BBIA0708E
Voltage: Battery voltage
PBIB3317E
Revision: May 2010
2011 Versa

EC-1002
< SERVICE INFORMATION >[MR18DE]
ASCD BRAKE SWITCH
• Harness for open or short between stop lamp switch and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
13.CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 99 and stop lamp switch terminal 2. Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 14.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
14.CHECK STOP LAMP SWITCH
Refer to EC-938, "
Component Inspection".
OK or NG
OK >> GO TO 15.
NG >> Replace stop lamp switch.
15.CHECK INTERMITTENT INCIDENT
Refer to EC-632
.
>> INSPECTION END
Component InspectionINFOID:0000000006342223
ASCD BRAKE SWITCH
1. Turn ignition switch OFF.
2. Disconnect ASCD brake switch harness connector.
3. Check continuity between ASCD brake switch terminals 1 and 2
under the following conditions.
If NG, adjust ASCD brake switch installation, refer to BR-6
, and
perform step 3 again.
ASCD CLUTCH SWITCH
1. Turn ignition switch OFF.
2. Disconnect ASCD clutch switch harness connector. Continuity should exist.
Condition
Continuity
Brake pedal: Fully released. Should exist.
Brake pedal: Slightly depressed. Should not exist.
SEC023D
Revision: May 2010 2011 Versa

ASCD BRAKE SWITCHEC-1003
< SERVICE INFORMATION > [MR18DE]
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3. Check continuity between ASCD clutch switch terminals 1 and 2
under the following conditions.
If NG, adjust ASCD clutch switch installation, refer to CL-6
, and
perform step 3 again.
STOP LAMP SWITCH
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check continuity between stop lamp switch terminals 1 and 2 under the following conditions.
If NG, adjust stop lamp switch installation, refer to BR-6
, and perform step 3 again.
ConditionContinuity
Clutch pedal: Fully released. Should exist.
Clutch pedal: Slightly depressed. Should not exist.
SEC023D
ConditionContinuity
Brake pedal: Fully released. Should not exist.
Brake pedal: Slightly depressed. Should exist.
PBIB3318E
Revision: May 2010 2011 Versa

INTAKE MANIFOLDEM-27
< ON-VEHICLE REPAIR > [HR16DE]
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INTAKE MANIFOLD
Exploded ViewINFOID:0000000005930937
Removal and InstallationINFOID:0000000005930938
REMOVAL
1. Remove the air duct (inlet) and air duct (between air
cleaner case and electric throttle control actuator).
Refer to EM-25, "
Exploded View".
2. Remove the reservoir tank. Refer to CO-16, "
Component".
3. Remove the oil level gauge. CAUTION:
Cover the oil level gauge guide openings to avoid entry of foreign materials.
4. Remove electric throttle control actuator and position aside. CAUTION:
• Handle electric throttle control act uator carefully and avoid impacts.
• Never disassemble or adjust elect ric throttle control actuator.
5. Disconnect the harness connector and EV AP hose from the EVAP canister purge volume control solenoid
valve.
6. Disconnect vacuum hose for brake booster from intake manifold.
PBIC4737E
1. EVAP hose 2. Vacuum tank3. EVAP hose
4. O-ring 5.EVAP canister purge volume control
solenoid valve 6. Electric throttle control actuator
7. Water hose 8. Water hose 9. Gasket
10. Intake manifold support (rear) 11. Intake manifold 12. Intake manifold support (front)
13. Intake manifold support (center) 14. Cylinder head 15. Vacuum hose
16. Gasket
A. To centralized under-floor piping B. To brake booster C. To water outlet
Revision: May 2010 2011 Versa