2011 NISSAN TIIDA Electrical diagr

PG-18
< SERVICE INFORMATION >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R STATUS CONTROL
In order to save power, IPDM E/R switches status by itself based on each operating condition.
1. CAN communication status • CAN communication is normally performed with other control units.
• Individual unit control by IPDM E/R is normally performed.
• When sleep request signal is received from BCM, mode is switched to sleep waiting status.
2. Sleep waiting status • Process to stop CAN communication is activated.
• All systems controlled by IPDM E/R are stopped. When 1 second has elapsed after CAN communica-tion with other control units is st opped, mode switches to sleep status.
3. Sleep status • IPDM E/R operates in low current-consumption mode.
• CAN communication is stopped.
• When a change in CAN communication signal is detec ted, mode switches to CAN communication sta-
tus.
• When a change in ignition switch signal is detected, mode switches to CAN communication status.
CAN Communication System DescriptionINFOID:0000000005928344
Refer to LAN-7, "System Diagram".
Function of Detecting I gnition Relay MalfunctionINFOID:0000000005928345
• When the integrated ignition relay is stuck in a "closed contact" position and cannot be turned OFF, IPDM E/
R turns ON tail and parking lamps for 10 minutes to indicate IPDM E/R malfunction.
• When the state of the integrated ignition relay does not agree with the state of the ignition switch signal
received via CAN communication, the IPDM E/R activates the tail lamp relay.
NOTE:
When the ignition switch is turned ON, the tail lamps are OFF.
CONSULT-III Function (IPDM E/R)INFOID:0000000005928346
CONSULT-III can display each diagnostic item us ing the diagnostic test modes shown following.
SELF-DIAGNOSTIC RESULTS
Display Item List
Rear window defoggerRear window defogger relay OFF
A/C compressor A/C relay is OFF
Front fog lamps Front fog lamp relay OFF
Controlled system
Fail-safe mode
Ignition switch signalIgnition relay status Tail lamp relay
ON ON —
OFF OFF —
ON OFF —
OFF ON ON (10 minutes)
IPDM E/R diagnostic Mode Description
SELF-DIAG RESULTS Displays IPDM E/R self-diagnosis results. DATA MONITOR Displays IPDM E/R input/output data in real time.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read. ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
Revision: May 2010 2011 Versa

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CONTENTS
STARTING & CHARGING SYSTEM
SERVICE INFORMATION .. ..........................2
PRECAUTIONS .............................................. .....2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
2
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
2
PREPARATION ...................................................4
Special Service Tool ........................................... ......4
Commercial Service Tool ..........................................4
BATTERY ............................................................5
How to Handle Battery ........................................ ......5
Trouble Diagnosis with Multitasking Battery Diag-
nostic Station ....................................................... ......
7
Removal and Installation ...........................................7
Required Procedure After Battery Disconnection ......8
STARTING SYSTEM ..........................................9
System Description .............................................. .....9
Wiring Diagram - START - .......................................11
Trouble Diagnosis with Multitasking Battery Diag-
nostic Station ...........................................................
16
Removal and Installation HR16DE ..........................19
Removal and Installation MR18DE ..........................20
CHARGING SYSTEM .......................................21
System Description ..................................................21
Wiring Diagram - CHARGE - ...................................22
Trouble Diagnosis with Multitasking Battery Diag-
nostic Station ...........................................................
22
Removal and Installation .........................................25
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................
27
Battery .....................................................................27
Starter ......................................................................27
Generator ................................................................27
Revision: May 2010 2011 Versa

EPS SYSTEMSTC-5
< SYSTEM DESCRIPTION > [EPS]
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SYSTEM DESCRIPTION
EPS SYSTEM
System DiagramINFOID:0000000005931224
System DescriptionINFOID:0000000005931225
• EPS control unit performs an arithmetical operation on data, such as steering wheel turning force (sensor
signal) from the torque sensor, vehicle speed signal, etc. Then it generates an optimum assist torque signal
to the EPS motor according to the driving condition.
• EPS control unit decreases the output signal to EPS mo tor while extremely using the power steering func-
tion (e.g., full steering) consecutively for protec ting EPS motor and EPS control unit (Overload protection
control). While activating overload protection control, the assist torque gradually decreases, and the steering
wheel turning force becomes heavy. The normal assist torque reactivates by no steering.
• In case of an error in the electrical system, the fail- safe function stops output signals to the EPS motor. Then
the previous state is changed to the manual steering state.
• Self-diagnosis can be done with CONSULT-III.
• EPS control unit will decrease assistance under the following 2 conditions.
- Extensive steering at low speed will cause the ECU and MOTOR to heat up, once temperature reaches crit-
ical point ECU will reduce current to reduce heat up. System will recover as temperature lowers (reduced or
no assistance).
- Holding steering on rack-end (full lock) for 1 second will cause the system to engage rack-end protection. This reduces assistance down to 50% in order to prevent heat up. Assistance is immediately returned to
100% when steering released or turned away from rack-end.
- Communicates the signal from each control unit via CAN communication.
WGIA0187E
Control unit Signal status
ECM Transmits mainly the follow
ing signals to EPS control uni t via CAN communication.
Engine status signal
ABS actuator and electric unit
(control unit) Transmits mainly the follow
ing signals to EPS control uni t via CAN communication.
Vehicle speed signal
Revision: May 2010 2011 Versa

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WIPER, WASHER & HORN
SERVICE INFORMATION .. ..........................2
PRECAUTION ................................................ .....2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
2
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
2
Precaution for Procedure without Cowl Top Cover ......3
PREPARATION ...................................................4
Special Service Tool ........................................... ......4
FRONT WIPER AND WASHER SYSTEM ..........5
Component Parts and Harness Connector Loca-
tion ...................................................................... ......
5
System Description ...................................................5
CAN Communication System Description .................7
Schematic .................................................................8
Wiring Diagram - WIPER - ........................................9
Terminal and Reference Value for BCM .................12
Terminal and Reference Value for IPDM E/R .........12
How to Proceed with Trouble Diagnosis .................12
Preliminary Check ...................................................12
CONSULT-III Function (BCM) .................................12
CONSULT-III Function (IPDM E/R) .........................13
Front Wiper Does Not Operate ...............................14
Front Wiper Does Not Return to Stop Position (Af-
ter Front Wiper Operates for 10 Seconds, They
Stop for 20 Seconds, and After Repeating the Op-
eration Five Times, They Become Inoperative) ......
16
Only Front Wiper Low Does Not Operate ...............17
Only Front Wiper High Does Not Operate ...............18
Only Front Wiper Intermittent Does Not Operate ....19
Front Wiper Intermittent Operation Switch Posi-
tion Cannot Be Adjusted .........................................
20
Wiper Does Not Wipe When Front Washer Oper-
ates .........................................................................
20
Front Wiper Does Not Stop .....................................20
Removal and Installation of Front Wiper Arms ........20
Adjustment of Wiper Arm Stop Location .............. ....21
Removal and Installation of Front Wiper Drive As-
sembly .....................................................................
22
Removal and Installation of Front Washer Nozzle ....22
Inspection for Washer Nozzle ..................................23
Washer Nozzle Adjustment ................................. ....24
Washer Tube Layout ...............................................24
Removal and Installation of Front Wiper and
Washer Switch .........................................................
25
Inspection of Front Wiper and Washer Switch Cir-
cuit ...........................................................................
25
Removal and Installation of Washer Tank ...............25
Removal and Installation of Front Washer Motor ....26
REAR WIPER AND WASHER SYSTEM ..........27
Component Parts and Harness Connector Loca-
tion ....................................................................... ....
27
System Description ..................................................27
Wiring Diagram - WIP/R - ........................................29
Terminal and Reference Value for BCM ..................31
How to Proceed with Trou ble Diagnosis ..................31
Preliminary Check ............................................... ....31
CONSULT-III Function (BCM) .................................31
Rear Wiper Does Not Operate ............................ ....31
Rear Wiper Stop Position Is Incorrect .....................33
Only Rear Wiper Does Not Operate ........................34
Only Rear Wiper Intermittent Does Not Operate .....34
Wiper Does Not Wipe When Rear Washer Oper-
ates ..........................................................................
34
Removal and Installation .........................................34
Washer Nozzle Adjustment .....................................37
POWER SOCKET .............................................38
Wiring Diagram - P/SCKT - .....................................38
Removal and Installation .........................................38
HORN ................................................................40
Wiring Diagram - HORN - ........................................40
Removal and Installation .........................................40
Revision: May 2010 2011 Versa