engine oil NISSAN LATIO 2011 Service Repair Manual
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IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
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IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE
ROOM)
System DescriptionINFOID:0000000005928343
• IPDM E/R (Intelligent Power Distribution Module Engi ne Room) integrates the relay box and fuse block
which were originally placed in engine compartment. It controls integrated relays via IPDM E/R control cir-
cuits.
• IPDM E/R-integrated control circuits perform ON-OFF operation of relays, CAN communication control, oil pressure switch signal reception, etc.
• It controls operation of each electrical co mponent via ECM, BCM and CAN communication lines.
CAUTION:
None of the IPDM E/R integr ated relays can be removed.
SYSTEMS CONTROLLED BY IPDM E/R
1. Lamp control
Using CAN communication lines, it receives signals from the BCM and controls the following lamps:
• Headlamps (High, Low)
• Parking lamps
• Tail and license plate lamps
• Front fog lamps
2. Wiper control Using CAN communication lines, it receives signals from the BCM and controls the front wipers.
3. Rear window defogger relay control Using CAN communication lines, it receives signals from the BCM and controls the rear window defogger
relay.
4. A/C compressor control Using CAN communication lines, it receives signal s from the ECM and controls the A/C compressor
(magnet clutch).
5. Starter control Using CAN communication lines, it receives signals from the BCM and controls the starter relay.
6. Cooling fan control Using CAN communication lines, it receives signals from the ECM and controls the cooling fan relays.
7. Horn control Using CAN communication lines, it receives signals from the BCM and controls the horn relay.
8. Daytime light system control (Canada only) Using CAN communication lines, it receives signals from the BCM and controls the daytime light relay.
CAN COMMUNICATION LINE CONTROL
With CAN communication, by connecting each control unit using two communication lines (CAN L-line, CAN
H-line), it is possible to transmit a maximum amount of information with minimum wiring. Each control unit can
transmit and receive data, and reads necessary information only.
1. Fail-safe control • When CAN communication with other control units is impossible, IPDM E/R performs fail-safe control.
After CAN communication returns to normal operation, it also returns to normal control.
• Operation of control parts by IPDM E/ R during fail-safe mode is as follows:
Controlled system Fail-safe mode
Headlamp • With the ignition switch ON, headlamp low relay is ON, headlamp high relays are OFF, and
daytime light system (Canada only) is OFF.
• With the ignition switch OFF, the headlamp relays are OFF.
Tail, license plate and parking lamps • With the ignition switch ON, the tail lamp relay is ON. • With the ignition switch OFF, the tail lamp relay is OFF.
Cooling fan • With the ignition switch ON, cooling fan relay-1, relay-2, and relay-3 are ON.
• With the ignition switch OFF, all cooling fan relays are OFF.
Front wiper Until the ignition switch is turned off, the front wiper relays remain in the same status they
were in just before fail
−safe control was initiated.
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IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
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x: Applicable
NOTE:
The details for display of the period are as follows:
• CRNT: Error currently detected with IPDM E/R.
• PAST: Error detected in the past and placed in IPDM E/R memory.
DATA MONITOR
All Signals, Main Signals, Selection From Menu
Display items CONSULT-
III display code Malfunction detection TIME
Possible causes
CRNT PAST
NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED. ———
——
CAN COMM CIRC U1000 • If CAN communication reception/transmission
data has a malfunction, or if any of the control
units fail, data reception/transmission cannot be
confirmed.
• When the data in CAN communication is not re-
ceived before the specified time. XX
Any of items listed
below have
errors:
• TRANSMIT DIAG
•ECM
• BCM/SEC
IGN RELAY ON —When the ignition switch is not in the ON position,
the ignition relay in the IPDM E/R is ON. XX
Ignition relay (inte-
grated in IPDM E/R)
IGN RELAY OFF —When the ignition switch is not in the ON position,
the ignition relay in the IPDM E/R is OFF. XXIgnition relay (inte-
grated in IPDM E/R)
EEPROM —Malfunction is detected with the integrated EEPROM
memory diagnosis.
X X IPDM E/R
Item nameCONSULT-III
screen display Display or unit Monitor item selection
Description
ALL
SIGNALS MAIN
SIGNALS SELECTION
FROM MENU
Motor fan request MOTOR FAN
REQ1/2/3/4
X X X Signal status input from ECM
Compressor re-
quest AC COMP REQ ON/OFF
X XX Signal status input from ECM
Parking, license,
and tail lamp re-
quest TAIL & CLR REQ ON/OFF
X XX Signal status input from BCM
Headlamp low
beam request HL LO REQ ON/OFF
X XX Signal status input from BCM
Headlamp high
beam request HL HI REQ ON/OFF
X XX Signal status input from BCM
Front fog request FR FOG REQ ON/OFF X XX Signal status input from BCM
FR wiper request FR WIP REQ STOP/1LO/LO/HI X X X Signal status input from BCM
Wiper auto stop WIP AUTO
STOPACT P/STOP P X X
X Output status of IPDM E/R
Wiper protection WIP PROT OFF/LS/HS/Block X X X Control status of IPDM E/R
Starter request ST RLY REQ ON/OFF XX Status of input signal (*1)
Ignition relay
status IGN RLY ON/OFF
X XXIgnition relay status monitored
with IPDM E/R
Rear defogger re-
quest RR DEF REQ ON/OFF
X XX Signal status input from BCM
Oil pressure
switch OIL P SW OPEN/CLOSE X
XSignal status input from IPDM
E/R
Hood switch HOOD SW (*2) OFF XXSignal status input from IPDM
E/R
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IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
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NOTE:
When auto active test mode has to be cancelled halfway, turn ignition switch OFF.
CAUTION:
Be sure to perform BL-44, "
Door Switch Check (Hatchback)" or BL-47, "Door Switch Check
(Sedan)" when the auto active test cannot be performed.
INSPECTION IN AUTO ACTIVE TEST MODE
When auto active test mode is actuated, the following six steps are repeated three times.
(A): Oil pressure warning lamp is blinking when the auto active test is operating.
WKIA5988E
Item Number Test Item Operation Time/Frequency
1 Rear window defogger 10 seconds
2 Front wipers LOW 5 seconds then HIGH 5 seconds
3 Daytime light system (Canada only) 10 seconds
3 Tail, license, and parking lamps 10 seconds
3 Front fog lamps 10 seconds
4 Headlamps (low) 20 seconds
4 Headlamps (high) ON-OFF 5 times
5 A/C compressor (magnet clutch) ON-OFF 5 times
6 Cooling fan LOW 5 seconds then HIGH 5 seconds
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IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Concept of Auto Active Test
• IPDM E/R actuates auto active test mode when it re ceives door switch signal from BCM via CAN communi-
cation line. Therefore, when auto active test mode is activated successfully, CAN communication between
IPDM E/R and BCM is normal.
• If any of the systems controll ed by IPDM E/R cannot be operated, possible cause can be easily diagnosed
using auto active test.
Diagnosis chart in auto active test mode
WKIA5665E
Symptom Inspection contents Possible cause
Rear window defogger
does not operate. Perform auto active
test. Does rear win-
dow defogger oper-
ate?YES • BCM signal input circuit
NO • Rear window defogger relay
• Open circuit of rear window defogger
•IPDM E/R malfunction
• Harness or connector malfunction between IPDM E/R and rear window
defogger
Any of front wipers, tail
and parking lamps, front
fog lamps, daytime light
system (Canada only),
and headlamps (High,
Low) do not operate. Perform auto active
test. Does system in
question operate?YES • BCM signal input system
NO • Lamp/wiper motor malfunction
• Lamp/wiper motor ground circuit malfunction
• Harness/connector malfunction between IPDM E/R and system in ques-
tion
• IPDM E/R (integrated relay) malfunction
A/C compressor does
not operate. Perform auto active
test. Does magnet
clutch operate?YES
• BCM signal input circuit
• CAN communication signal between BCM and ECM
• CAN communication signal between ECM and IPDM E/R
NO • Magnet clutch malfunction
• Harness/connector malfunction between IPDM E/R and magnet clutch
• IPDM E/R (integrated relay) malfunction
Cooling fan does not op-
erate. Perform auto active
test. Does cooling fan
operate?YES
• ECM signal input circuit
• CAN communication signal between ECM and IPDM E/R
NO • Cooling fan motor malfunction
• Harness/connector malfunction between IPDM E/R and cooling fan mo-
tor
• IPDM E/R (integrated relay) malfunction
Oil pressure warning
lamp does not operate. Perform auto active
test. Does oil pressure
warning lamp blink?YES
• Harness/connector malfunction between IPDM E/R and oil pressure
switch
• Oil pressure switch malfunction
•IPDM E/R
NO • CAN communication signal between BCM and combination meter
• Combination meter
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IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
24 Y Cooling fan relay-3 Output — Conditions correct for cooling
fan high operation
Battery voltage
Conditions not correct for
cooling fan high operation 0V
26 O Tail lamp relay (park-
ing lamps) Output — Lighting switch in 2nd position Battery voltage
27 BR Tail lamp relay (park-
ing lamps)
Output — Lighting switch in 2nd position Battery voltage
28 GR Tail lamp relay (park-
ing lamps) Output — Lighting switch in 2nd position Battery voltage
29 P Tail lamp relay (park-
ing lamps) Output — Lighting switch in 2nd position Battery voltage
30
(A/T
only) R Fuse 54
Output —Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC 0V
31 O Fuse 55 Output —Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC 0V
32 L Wiper high speed sig-
nal
OutputON or
START Wiper switch OFF, LO, INT
0V
HI Battery voltage
33 Y Wiper low speed sig-
nal
OutputON or
START Wiper switch OFF
0V
LO or INT Battery voltage
35 BR Starter relay (inhibit
switch) InputON or
START Selector lever in "P" or "N"
(CVT or A/T) or clutch pedal
depressed (M/T)
Battery voltage
Selector lever any other posi-
tion (CVT or A/T) or clutch
pedal released (M/T) 0V
36 BR Fuel pump relay Output — Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC 0V
37 G Oil pressure switch Input ON or
START Engine running and oil pres-
sure within specification
Battery voltage
Engine not running or oil pres-
sure below specification 0V
38 R Wiper auto stop signal Input ON or
START Wipers not in park position
Battery voltage
Wipers in park position 0V
39 B Ground Input ——0V
40 P CAN-L — ON— —
41 L CAN-H — ON— —
45 R Horn relay control Input — Horn switch PUSHED, alarm
switch activated or door lock/
unlock is confirmed when op-
erating lock system via the
keyfob
0V
Horn switch released, alarm
not active, keyfob not active Battery voltage
46 Y Throttle control motor
relay control Input —Ignition switch ON or START
0V
Ignition switch OFF or ACC Battery voltage
47 GR Fuel pump relay con-
trol Input —Ignition switch ON or START
0V
Ig niti
on switch OFF or ACC Battery voltage
Te r m i n a l
Wire
color Signal name Signal
input/
output Measuring condition
Reference value
(Approx.)
Ignition
switch Operation or condition
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HARNESS
BODY HARNESS (HATCHBACK)
E3 F6 GR/2 : Engine coolant temperature sensor F5 F30 B/8 : Terminal cord assembly
D2 F7 B/6 : Electric throttle control actuatorF2 F31 B/6 : Mass air flow sensor
G4 F8 SMJ : To E8 C5 F32 GR/1 : Oil pressure switch
B4 F9 — : Engine ground F5 F33 GR/6 : To E19
G2 F10 GR/32 : ECM C3 F34 GR/3 : Ignition coil No. 1 (with power transistor)
G2 F11 BR/48 : ECM C3 F35 GR/3 : Ignition coil No. 2 (with power transistor)
D3 F12 GR/4 : Air fuel ratio (A/F) sensor 1 C3 F36 GR/3 : Ignition coil No. 3 (with power transistor)
E2 F13 B/4 : Heated oxygen sensor 2 C3 F37 GR/3 : Ignition coil No. 4 (with power transistor)
C4 F14 B/2 : Knock sensor E3 F38 BR/3 : Output Speed sensor
D3 F15 B/3 : Crankshaft position sensor (POS) E4 F39 — : Fusible link box (battery)
C4 F16 — : Engine ground E4 F40 — : Fusible link box (battery)
B4 F17 GR/2 : Fuel injector No. 1 E2 F41 GR/2 : Vehicle speed sensor
C4 F18 GR/2 : Fuel injector No. 2E5 F46 GR/22 : CVT unit
C4 F19 GR/2 : Fuel injector No. 3 E5 F47 B/3 : Input speed sensor
D4 F20 GR/2 : Fuel injector No. 4 E3 F48 B/3 : Secondary speed sensor (with M/T)
D4 F21 B/3 : Camshaft position sensor (PHASE) E5 F50 B/3 : Primary speed sensor
C3 F22 L/2 : EVAP canister purge volume control
solenoid valve E5 F52 G/8 : Transmission range switch (with CVT)
B3 F23 G/2 : Intake valve timing control solenoid valve
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PRECAUTIONSRSU-3
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5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of al l control units using CONSULT-III.
Precaution for Rear SuspensionINFOID:0000000005931081
• When installing the rubber bushings, the final tightening must be done under unladen condition and with the
tires on level ground. Oil will shorten the life of the rubber bushings, so wipe off any spilled oil immediately.
• Unladen condition means the fuel tank, engine coolant and lubricants are at the full specification. The spare
tire, jack, hand tools, and mats are in their designated positions.
• After installing suspension components, check the wheel alignment.
• Caulking nuts are not reusable. Always use new caulking nuts for installation. New caulking nuts are pre- oiled, do not apply any additional lubrication.
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RSU-6
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REAR SUSPENSION ASSEMBLY
REAR SUSPENSION ASSEMBLY
On-Vehicle Inspection and ServiceINFOID:0000000005931084
Make sure the mounting conditions (looseness, backlash) of each component and component conditions
(wear, damage) are within specifications.
SHOCK ABSORBER INSPECTION
Check shock absorber for oil leakage, damage and replace it if necessary.
Wheel AlignmentInspectionINFOID:0000000005931085
DESCRIPTION
Measure wheel alignment under unladen conditions.
NOTE:
“Unladen conditions” means that fuel, engine coolant, and lubricant are full. Spare tire, jack, hand tools and
mats are in designated positions.
PRELIMINARY
Check the following:
1. Tires for improper air pressure and wear.
2. Road wheels for runout. Refer to WT-6
.
3. Wheel bearing axial end play. Refer to RAX-6, "
On-Vehicle Inspection and Service" .
4. Shock absorber operation.
5. Each mounting part of suspension for looseness and deformation.
6. Rear suspension beam for cracks, deformation, and other damage.
7. Vehicle height (posture).
GENERAL INFORMATION AND RECOMMENDATIONS
1. A Four-Wheel Thrust Alignment should be performed. • This type of alignment is recommended for any NISSAN vehicle.
• The four-wheel “thrust” process helps ensure that the vehicle is properly aligned and the steering wheel
is centered.
• The alignment machine itself should be ca pable of accepting any NISSAN vehicle.
• The alignment machine should be checked to ensure that it is level.
2. Make sure the alignment machine is properly calibrated. • Your alignment machine should be regularly calibrated in order to give correct information.
• Check with the manufacturer of your specific al ignment machine for their recommended Service/Cali-
bration Schedule.
THE ALIGNMENT PROCESS
IMPORTANT: Use only the alignment specifications listed in this Service Manual. Refer to RSU-13, "Wheel
Alignment (Unladen*)" .
1. When displaying the alignment settings, many alignment machines use “indicators”: (Green/red, plus or minus, Go/No Go). Do NOT use these indicators.
• The alignment specifications programmed into your alignment machine that operate these indicators may not be correct.
• This may result in an ERROR.
2. Some newer alignment machines are equipped with an optional “Rolling Compensation” method to “com- pensate” the sensors (alignment targets or head units). Do NOT use this “Rolling Compensation”
method.
• Use the “Jacking Compensation” method. After inst alling the alignment targets or head units, raise the
vehicle and rotate the wheels 1/2 turn both ways.
• See Instructions in the alignment machine you are using for more information.
CAMBER INSPECTION
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SERVICE DATA AND SPECIFICATIONS (SDS)RSU-13
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SERVICE DATA AND SPECIFICATIONS (SDS)
Wheel Alignment (Unladen*)INFOID:0000000005931091
*: Fuel, engine coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions.
Wheelarch Height (Unladen*)INFOID:0000000005931092
Unit: mm (in)
*: Fuel, engine coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions. Market
United States and Canada
Tire size P185/65R15, P195/55R16 P185/65R14
Camber
Degree minute (Decimal degree) Minimum – 2°
0′ 30" (– 2.01 °)– 2 ° 1 ′ 0" (– 2.02 °)
Nominal – 1 ° 30 ′ 30" (– 1.51 °)– 1° 31 ′ 0" (– 1.52 °)
Maximum – 1° 0′ 30" (– 1.01 °)– 1° 1 ′ 0" (– 1.02 °)
To t a l t o e - i n Distance (A - B)
Minimum
–1.0 mm (–0.039 in) –2.3 mm –(0.091 in)
Nominal 3.0 mm (0.118 in) 1.7 mm (0.067 in)
Maximum 7.0 mm (0.276 in) 5.7 mm (0.224 in)
Angle (left or right,
each side)
Degree minute
(Decimal degree) Minimum
–0° 2 ′ 30" (–0.04 °)– 0° 6 ′ 0" (–0.10 °)
Nominal 0° 8 ′ 30" (0.14 °)0 ° 5 ′ 0" (0.08 °)
Maximum 0° 19 ′ 0" (0.32 °)0 ° 15 ′ 30" (0.26 °)
SEIA0363E
Tire size P185/65R14P185/65R15P195/55R16
Market United States
and Canada United States
CanadaUnited States
Front (Hf) 677 (26.65)685 (26.97)685 (26.97)686 (27.01)
Rear (Hr) 681 (26.81)682 (26.85)683 (26.89)683 (26.89)
LEIA0085E
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