ECO mode NISSAN TIIDA 2007 Service Repair Manual

A/C UNIT ASSEMBLY
VTL-37
< ON-VEHICLE REPAIR >[MANUAL AIR CONDITIONER]
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A/C UNIT ASSEMBLY
Removal and InstallationINFOID:0000000001696531
NOTE:
A LHD model shown, RHD model similar.
REMOVAL
1. Use a recovery/recycling equipment (for HFC-134a) to discharge refrigerant. Refer to HA-29, "HFC-134a
(R-134a) Service Procedure".
2. Drain coolant from cooling system. Refer to CO-11, "
Changing Engine Coolant" (HR16DE), CO-35,
"Changing Engine Coolant" (MR18DE), CO-58, "Draining" (K9K).
3. Remove cowl top cover. Refer to EXT-20, "
Removal and Installation".
4. Remove lower dash insulator.
5. Remove bolt (A), and then disconnect low-pressure flexible
hose (1) and high-pressure pipe (2) from evaporator.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such
as vinyl tape to avoid the entry of air.
6. Remove clamps (A), and then disconnect heater hoses (1) from
heater core.
A. A/C unit assembly bolts B. Steering member bolts C. Steering column nuts
SJIA0648E
SJIA0644E
SJIA0645E

WCS
WARNING CHIME SYSTEM
WCS-9
< FUNCTION DIAGNOSIS >
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LIGHT REMINDER WARNING CHIME : Component DescriptionINFOID:0000000001722911
SEAT BELT WARNING CHIME
SEAT BELT WARNING CHIME : System DiagramINFOID:0000000001722912
SEAT BELT WARNING CHIME : System DescriptionINFOID:0000000001722913
DESCRIPTION
With ignition switch turned ON and driver seat belt unfastened, seat belt warning chime will sound for approxi-
mately 6 seconds.
 BCM receives seat belt buckle switch signal from combination meter with CAN communication line.
 BCM detects ignition switch turned ON and seat belt buckle switch (driver side) ON. And then transmits
buzzer output signal (seat belt warning chime) to combination meter with CAN communication line.
 When combination meter receives buzzer output signal (seat belt warning chime), it sounds the buzzer.
WARNING OPERATION CONDITIONS
If all of the following conditions are fulfilled
 Ignition switch OFF→ON
 Seat belt buckle switch (driver side) is ON (driver seat belt not fastened)
WARNING CANCEL CONDITIONS
Cancels the warning if any of the following conditions is fulfilled.
 Ignition switch OFF
 Seat belt buckle switch (driver side) is OFF (driver seat belt fastened)
7. ABS actuator and electric unit (control
unit) E33 (RHD models)8. ABS actuator and electric unit (control
unit) E33 (LHD models)9. Seat belt buckle switch (driver side) B9
10. Parking brake switch M17 11. Seat belt warning lamp control unit
B51 (located under passenger seat)
Unit Description
Combination meter Receives a buzzer output signal from BCM via CAN communication line and sounds the buzzer.
BCMJudges the light warning conditions from the signals provided by various switches and transmits a
buzzer output signal to the combination meter via CAN communication line if necessary.
Combination switch
(Lighting switch)Transmits the lighting switch position signal to BCM.
Front door switch (driver side) Transmits the door switch signal to BCM.
AWNIA0261GB

WCS
COMBINATION METER
WCS-55
< ECU DIAGNOSIS >
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DTC IndexINFOID:0000000001728311
NOTE:
“TIME” indicates the following.
 0: Indicates that a malfunction is detected at present.
 1-63: Indicates that a malfunction was detected in the past. (Displays number of ignition switch OFF → ON
cycles after malfunction is detected. Self-diagnosis result is erased when “63” is exceeded.)
Function Specifications
Speedometer
Zero indication. Tachometer
Fuel gauge
Illumination control Meter illumination Change to nighttime mode when communication is lost.
Segment LCD Odometer Freeze current indication.
Buzzer Buzzer turns off.
Warning lamp/indicator lampABS warning lamp
Lamp turns on when communication is lost. Brake warning lamp
ESP OFF indicator lamp
SLIP indicator lamp
Side and headlight indicator
Lamp turns off when communication is lost. Low water temperature indicator lamp
High water temperature warning lamp
Malfunction indicator
Power steering warning lamp
Air bag warning lamp
High beam indicator
Turn signal indicator lamp
Intelligent Key system warning lamp
CRUISE indicator lamp
Oil pressure warning lamp
Door warning lamp
Front fog lamp indicator
Rear fog lamp indicator
O/D OFF indicator lamp
Lamp turns off when disconnected. Charge warning lamp
Driver and passenger seat belt warn-
ing lamp
CONSULT-III display MalfunctionReference
page
CAN COMM CIRC
[U1000]Malfunction is detected in CAN communication.
CAUTION:
Even when there is no malfunction on CAN communication system, malfunction may be
misinterpreted when battery has low voltage (when maintaining 7 - 8 V for about 2 sec-
onds) or 10A fuse [No. 19, located in the fuse block (J/B)] is disconnected.MWI-24
VEHICLE SPEED
CIRC
[B2205]Malfunction is detected when an erroneous speed signal is input.
CAUTION:
Even when there is no malfunction on speed signal system, malfunction may be misin-
terpreted when battery has low voltage (when maintaining 7 - 8 V for about 2 seconds). MWI-25

WW-16
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (IPDM E/R)
DIAGNOSIS SYSTEM (IPDM E/R)
Diagnosis DescriptionINFOID:0000000001366606
AUTO ACTIVE TEST
Refer to PCS IPDM E/R AUTO ACTIVE TEST.
CONSULT - III Function (IPDM E/R)INFOID:0000000001366607
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with IPDM E/R.
SELF DIAGNOSTIC
Refer to PCS-28, "DTCIndex".
DATA MONITOR
Monitor item
ACTIVE TEST
Te s t i t e m
Diagnosis mode Description
ECU Identification Allows confirmation of IPDM E/R part number.
Self Diagnostic Result Displays the diagnosis results judged by IPDM E/R.
Data Monitor Displays the real-time input/output data from IPDM E/R input/output data.
Active Test IPDM E/R can provide a drive signal to electronic components to check their operations.
CAN Diag Support Monitor The results of transmit/receive diagnosis of CAN communication can be read.
Monitor Item
[Unit]MAIN
SIGNALSDescription
HL WASHER REQ
[Off/On]Displays the status of the headlamp washer request signal received from BCM via CAN
communication.
FR WIP REQ
[Stop/1LOW/Low/Hi]×Displays the status of the front wiper request signal received from BCM via CAN com-
munication.
WIP AUTO STOP
[STOP P/ACT P]×Displays the status of the front wiper auto stop signal judged by IPDM E/R.
WIP PROT
[Off/BLOCK]×Displays the status of the front wiper fail-safe operation judged by IPDM E/R.
IGN RLY
[Off/On]×Displays the status of the ignition relay judged by IPDM E/R.
IGN ON SW
[Off/On]Displays the status of the ignition switch judged by IPDM E/R.
Test item Operation Description
FRONT WIPEROff OFF
Lo Operates the front wiper relay.
Hi Operates the front wiper relay and front wiper high relay.
HEAD LAMP WASHER On Operates the headlamp washer relay for 1 second.
EXTERNAL LAMPSOff OFF
TAIL Operates the tail lamp relay.
Lo Operates the headlamp low relay.
HiOperates the headlamp low relay and ON/OFF the headlamp high relay at 1 sec-
ond intervals.
Fog Operates the front fog lamp relay.

WW-52
< ECU DIAGNOSIS >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE
ROOM)
Reference ValueINFOID:0000000001366636
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
Refer to xxx.
PHYSICAL VALUES
Refer to xxx.
Fail SafeINFOID:0000000001366638
CAN communication control
When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe control. After CAN
communication recovers normally, it also returns to normal control.
If no CAN communication is available with BCM
Front wiper control
IPDM E/R detects the front wiper stop position with the front wiper auto stop signal.
When the front wiper auto stop signal is in the conditions listed below, IPDM E/R repeats a front wiper 10 sec-
onds operation and 20 seconds stop five times.
Monitor Item Condition Value/Status
HL WASHER REQIgnition switch ON, and low
beam headlamp is ONFront washer switch OFF Off
Front washer switch ON
(When headlamp washer is operat-
ing)On
FR WIP REQ Ignition switch ONFront wiper switch OFF STOP
Front wiper switch INT 1LOW
Front wiper switch LO Low
Front wiper switch HI Hi
WIP AUTO STOP Ignition switch ONFront wiper stop position STOP P
Any position other than front wiper
stop positionACT P
WIP PROT Ignition switch ONFront wiper operates normally Off
Front wiper stops at fail-safe oper-
ationBLOCK
IGN RLYIgnition switch OFF or ACC Off
Ignition switch ON On
IGN ON SWIgnition switch OFF or ACC Off
Ignition switch ON On
Control part Fail-safe in operation
Front wiper The status just before activation of fail-safe control is maintained until the ignition
switch is turned OFF while the front wiper is operating at LO or HI speed.
 The front wiper is operated at LO speed until the ignition switch is turned OFF if the
fail-safe control is activated while the front wiper is set in the INT mode and the front
wiper motor is operating.
Headlamp washer Headlamp washer relay OFF