2010 NISSAN LATIO air condition

INTELLIGENT KEY SYSTEMBL-147
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness between Intelligent Key unit and inside key antenna.
3.CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2
1. Replace inside key antenna. (New antenna or other antenna)
2. Connect Intelligent Key unit and inside key antenna connector.
3. Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK >> Replace malfunction inside key antenna.
NG >> Replace Intelligent Key unit.
Steering Lock Solenoid CheckINFOID:0000000005396627
1.CHECK STEERING LOCK SOLENOID POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect steering lock solenoid connector.
3. Check voltage between steering lock solenoid and ground.
OK or NG
OK >> GO TO 2
NG >> Repair or replace steering lock solenoid power supply circuit.
2.CHECK STEERING LOCK SOLENOID GROUND CIRCUIT
A
GroundContinuity
Intelligent Key unit
connector Te r m i n a l
M52 Instrument panel
13
No
14
Front console 15
16
Rear floor 33
34
Te r m i n a l s
ConditionSignal
(Reference value.)
(+)
(–)
Intelligent Key unit
connector Te r -
minal
M52 Instrument
panel area 13
Ground Any door
is open →
close
Front con-
sole area 15
Rear floor area 33
WIIA1200E
PIIB5502J
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
Steering lock sole-
noid Te r m i n a l
M6 1Ground Battery voltage
PIIB6632E
Revision: January 20102010 Versa

INTELLIGENT KEY SYSTEMBL-151
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit harness connector M52 terminal 26 and ground.
OK or NG
OK >> Stop lamp switch is OK.
NG >> GO TO 2
2.CHECK STOP LAMP SWIT CH POWER SUPPLY CIRCUIT
1. Disconnect stop lamp switch connector.
2. Check voltage between stop lamp switch harness connector E13 terminal 1 and ground.
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness between stop lamp switch power supply circuit and fuse.
3.CHECK STOP LAMP SWITCH OPERATION
Check continuity between stop lamp switch terminals 1 and 2.
OK or NG
OK >> GO TO 4
NG >> Replace stop lamp switch.
4.CHECK STOP LAMP SWITCH CIRCUIT
1. Check continuity between Intelligent Key unit harness connector (A) M52 terminal 26 and stop lamp switch harness connector (B)
E13 terminal 2.
2. Check continuity between Intelligent Key unit harness connector M52 terminal 26 and ground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Repair or replace harness.
Connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
M52 26Ground Brake pedal
depressed Battery volt-
age
Brake pedal released 0
WIIA1207E
1 - Ground
: Battery voltage
WIIA1255E
Component Terminals ConditionContinuity
Stop lamp switch 12 Brake pedal depressed
Yes
Brake pedal not depressed No
WIIA1256E
26 - 2 : Continuity should exist.
26 - Ground : Continuity should not exist.
WIIA1257E
Revision: January 20102010 Versa

BL-152
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
Stop Lamp Switch Check (With M/T)
INFOID:0000000005396631
1.CHECK STOP LAMP SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit harness connector M52 terminal 26 and ground.
OK or NG
OK >> Stop lamp switch is OK.
NG >> GO TO 2
2.CHECK STOP LAMP SWIT CH POWER SUPPLY CIRCUIT
1. Disconnect stop lamp switch connector.
2. Check voltage between stop lamp switch harness connector E13 terminal 1 and ground.
OK or NG
OK >> GO TO 3
NG >> Repair or replace harness between stop lamp switch power supply circuit and fuse.
3.CHECK STOP LAMP SWITCH OPERATION
Check continuity between stop lamp switch terminals 1 and 2.
OK or NG
OK >> GO TO 4
NG >> Replace stop lamp switch.
4.CHECK STOP LAMP SWITCH CIRCUIT
1. Check continuity between Inte lligent Key unit harness connector
(A) M52 terminal 26 and stop lamp switch harness connector (B)
E13 terminal 2.
2. Check continuity between Inte lligent Key unit harness connector
M52 terminal 26 and ground.
OK or NG
Connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
M52 26Ground Brake pedal
depressed Battery volt-
age
Brake pedal released 0
WIIA1207E
1 - Ground
: Battery voltage
WIIA1208E
Component Terminals ConditionContinuity
St op la mp switch 12 Brake pedal depressed
Yes
Brake pedal not depressed No
WIIA1209E
26 - 2 : Continuity should exist.
26 - Ground : Continuity should not exist.
WIIA1210E
Revision: January 20102010 Versa

INTELLIGENT KEY SYSTEMBL-153
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
OK >> Check condition of harness and connector.
NG >> Repair or replace harness.
CVT or A/T Shift Se lector (Park Position Switch) CheckINFOID:0000000005396632
1.CHECK CVT OR A/T SHIFT SELECTOR (PARK POSITION SWITCH) INPUT SIGNAL
1. Turn ignition switch OFF.
2. While pressing the ignition knob switch, check voltage between Intelligent Key unit harness connector M52 terminal 10 and ground.
OK or NG
OK >> Replace Intelligent Key unit. Refer to BL-158, "Removal
and Installation of Intelligent Key Unit".
NG >> GO TO 2
2.CHECK CVT OR A/T SHIFT SELECTOR (PARK POSITION SWITCH)
1. Disconnect CVT or A/T shift select or (park position switch) connector.
2. Check continuity between CVT or A/T shift selector (park position switch) terminals 6 and 8.
OK or NG
OK >> GO TO 3
NG >> Replace CVT or A/T shift selector (park position switch).
3.CHECK PARK POSITION SWITCH GROUND CIRCUIT
Check continuity between CVT or A/T shift selector (park position
switch) harness connector M38 terminal 6 and ground.
OK or NG
OK >> GO TO 4
NG >> Repair or replace harness.
4.CHECK PARK POSITION SWITCH CIRCUIT
1. Disconnect Intelligent Key unit connector.
Connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
M52 10 Ground Selector lever is in "P" position 0
Other than above
Battery voltage
WIIA1258E
Component Terminals ConditionContinuity
CVT or A/T
shift selector
(park position switch) 68Selector lever is in "P" position Yes
Other than above
No
WIIA1259E
6 – Ground : Continuity should exist.
WIIA1260E
Revision: January 20102010 Versa

BL-154
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
2. Check continuity between Intelligent Key unit harness connector
(A) M52 terminal 10 and CVT or A/T shift selector (park position
switch) harness connector (B) M38 terminal 8.
3. Check continuity between Inte lligent Key unit harness connector
(A) M52 terminal 10 and ground.
OK or NG
OK >> GO TO 5
NG >> Repair or replace harness.
5.CHECK INTELLIGENT KEY OUTPUT SIGNAL
1. Connect Intelligent Key unit connector and CVT or A/T shift selector (park position switch) connector.
2. Check voltage between Intelligent Key unit connector M52 terminal 10 and ground.
OK or NG
OK >> CVT or A/T shift selector (park position switch) circuit is
OK.
NG >> Replace Intelligent Key unit. Refer to BL-158, "
Removal
and Installation of Intelligent Key Unit".
"P-SHIFT" Warning Lamp (With CVT or A/T) CheckINFOID:0000000005396633
1.CHECK WARNING LAMP OPERATION
With CONSULT-III
• Check “INDICATOR” in “ACTIVE TEST” mode with CONSULT-III.
• Select “KNOB ON”.
“P-SHIFT” warning lamp should illuminate.
Without CONSULT-III
1. Turn ignition switch OFF.
2. While monitoring the combination meter warning lamps, turn
ignition switch ON. "P-SHIFT" warning lamp should illuminate
for 1 second to perform a bulb check.
OK or NG
OK >> Inspection End.
NG >> Check combination meter. Refer to DI-4
.
10 – 8 : Continuity should exist.
10 – Ground : Continuity should not exist.
WIIA1261E
Connector
Te r m i n a l
ConditionVoltage (V)
(Approx.)
(+) (-)
M52 10 Ground Selector lever is in “P” position 0
Other than above
Battery voltage
WIIA1258E
WIIA1262E
Revision: January 20102010 Versa

INTELLIGENT KEY SYSTEMBL-157
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
Horn Function CheckINFOID:0000000005396639
First perform the “SELF-DIAG RESULTS” of “BCM” with CONSULT-III, then perform the trouble diag-
nosis of malfunction system indicated in “SELF-DIAG RESULTS” of “BCM”. Refer to BCS-18, "
CAN
Communication Inspection Using CONSULT-III (Self-Diagnosis)".
1.CHECK HORN OPERATION
Check if horn sounds with horn switch.
Does horn operate?
Yes >> GO TO 2
No >> Check horn circuit. Refer to WW-39
.
2.CHECK IPDM E/R INPUT SIGNAL
Check voltage between IPDM E/R connector and ground.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-28, "Removal and
Installation of IPDM E/R".
NG >> GO TO 3
3.CHECK HORN RERAY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and horn relay connector.
3. Check continuity between IPDM E/R harness connector and horn relay harness connector.
4. Check continuity between IPDM E/R harness connector and ground.
OK or NG
OK >> Check condition of harness and connector.
NG >> Repair or replace harness.
Headlamp Function CheckINFOID:0000000005396640
1.CHECK HEADLAMP OPERATION
Check if headlamps operate by lighting switch.
Do headlamps come on when turning lighting switch ON?
YES >> Headlamp circuit is OK.
NO >> Check headlamp system. Refer to LT- 6
or LT- 2 8.
Te r m i n a l s
Voltage (V)(Approx.)
(+)
(–)
IPDM E/R
connector Te r m i n a l
E46 45Ground Ba ttery voltage
WIIA1251E
AB
Continuity
IPDM E/R
connector Te r m i n a l
Horn relay
connector Te r m i n a l
E46 45H-1 1Yes
A GroundContinuity
IPDM E/R connector Terminal
E46 45 No
WIIA1252E
Revision: January 20102010 Versa

BL-182
< SERVICE INFORMATION >
BACK DOOR LOCK
Data Monitor
Active Test
Work FlowINFOID:0000000005396656
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to BL-172, "
System Description".
3. Repair or replace any malfunctioning parts. Refer to BL-182, "
Trouble Diagnosis Chart by Symptom".
4. Does back door opener operate normally? If Yes, GO TO 5. If No, GO TO 3.
5. Inspection End.
Trouble Diagnosis Chart by SymptomINFOID:0000000005396657
BCM Power Supply and Ground Circuit InspectionINFOID:0000000005612418
1.CHECK FUSES AND FUSIBLE LINK
• Check 40A fusible link (letter g , located in the fuse and fusible link box).
• Check 10A fuses [No. 6, 8 and 20, lo cated in the fuse block (J/B)].
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
4, "Schematic" .
Monitor itemContent
IGN ON SW Indicates [ON/OFF] condition of ignition switch.
TRNK OPNR SW Indicates [ON/OFF] condition of back door open signal from back door opener switch.
VEHICLE SPEED Indicates [km/h] condition of vehicle speed.
Test item Content
TRUNK/BACK DOOR This test is able to check back door lock assembly (actuator) unlock operation.
Actuator opens back door lock assembly when “OPEN” on CONSULT-III screen is touched.
Symptom
Diagnoses/service procedureReference
page
Back door opener does not operate.
(Without Intelligent Key or power windows) 1. Check BCM power supply and ground circuit.
BCS-16
2. Check back door opener switch circuit. BL-183
3. Check back door lock assembly (actuator) circuit.BL-190
4. Replace BCM.BCS-19
Back door opener does not operate.
(Without Intelligent Key, with power windows)1. Check BCM power supply and ground circuit.
BCS-162. Check back door opener switch circuit. BL-186
3. Check back door lock assembly (actuator) circuit.BL-190
4. Replace BCM.BCS-19
Back door opener does not operate.
(With Intelligent Key)1. Check BCM power supply and ground circuit.
BCS-16
2.Check Intelligent Key power supply and ground cir-
cuit. BL-126
3. Check back door opener switch circuit.
BL-188
4. Check back door lock assembly (actuator) circuit.BL-190
5. Replace BCM.BCS-19
Revision: January 20102010 Versa

BACK DOOR LOCKBL-183
< SERVICE INFORMATION >
C
DE
F
G H
J
K L
M A
B
BL
N
O P
2.CHECK BCM POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM connectors and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace the harness.
3.CHECK GROUND CIRCUIT
Check continuity between BCM connector M20 terminal 67 and
ground.
OK or NG
OK >> Power supply and ground circuit is OK.
NG >> Repair or replace harness.
Check Back Door Opener S witch Circuit (Without Intellig ent Key or Power Windows)
INFOID:0000000005396659
1.CHECK BACK DOOR OPENER SWITCH SIGNAL 1
With CONSULT-III
1. Insure front door lock knob LH is turned to the UNLOCK position.
2. Check back door opener switch (“TRNK OPNR SW ”) in “DATA MONITOR” mode with CONSULT-III.
Without CONSULT-III
1. Insure front door lock knob LH is turned to the UNLOCK position.
2. Check voltage between BCM connector M18 terminal 30 and ground.
Connector Te r m i n a l s
Power
source Condition Voltage (V) (Ap-
prox.)
(+) (-)
M18 11 Ground
ACC
power
supply Ignition
switch
ACC or ON Battery voltage
38 Ground Ignition
power
supply Ignition
switch ON
or START Battery voltage
M20 57 Ground
Battery
power
supply Ignition
switch OFF Battery voltage
70 Ground Battery
power
supply Ignition
switch OFF Battery voltage
LIIA2415E
67 - Ground
: Continuity should exist.
LIIA0915E
Test item Condition
TRNK OPNR SW Back door opener switch is pushed: ON
Back door opener switch is released: OFF
Revision: January 20102010 Versa