2006 INFINITI M35 turn signals

PG-18
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Revision: 2006 January2006 M35/M45
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PFP:284B7
System DescriptionNKS004E2
IPDM E/R (Intelligent Power Distribution Module Engine Room) integrates the relay box and fuse block
which were originally placed in engine compartment. It controls integrated relay via IPDM E/R control cir-
cuit.
IPDM E/R-integrated control circuit performs ON-OFF operation of relay, CAN communication control and
oil pressure switch signal reception, etc.
It controls operation of each electrical part via ECM, BCM and CAN communication lines.
CAUTION:
None of the IPDM E/R-integrated relays can be removed.
SYSTEMS CONTROLLED BY IPDM E/R
1. Lamp control
Using CAN communication, it receives signal from BCM and controls the following lamps:
Headlamps (HI, LO)
Tail, parking and license plate lamps
Front fog lamps
2. Daytime light relay control (for Canada models)
Using CAN communication, it receives signals from BCM and controls the daytime light relay.
3. Wiper control
Using CAN communication, it receives signals from BCM and controls the front wipers.
4. Rear window defogger relay control
Using CAN communication, it receives signals from BCM and controls the rear window defogger relay.
5. A/C compressor control
Using CAN communication, it receives signals from ECM and controls the A/C relay.
6. Cooling fan control
Using CAN communication, it receives signals from ECM and controls cooling fan via cooling fan control
module.
7. Horn control
Using CAN communication, it receives signals from BCM and controls horn relay.
8. Starter motor relay control
Using CAN communication, it receives signals from BCM and controls starter motor relay.
9. Alternator control
Using CAN communication, it receives signal from ECM and controls power generation voltage.
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 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 recovers normally, 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
Headlamps
With the ignition switch ON, the headlamp low relay is ON.
With the ignition switch OFF, the headlamp low relay is OFF.
Tail, parking and
license plate 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, the cooling fan HI operates.
With the ignition switch OFF, the cooling fan stops.
Front wiperUntil the ignition switch is turned off, the front wiper LO and HI remains in the same status it was in just
before fail
safe control was initiated.

RF-12
SUNROOF
Revision: 2006 January2006 M35/M45
ANTI-PINCH FUNCTION
The CPU of sunroof motor assembly monitors the sunroof motor operation and the sunroof position (fully-
closed or other) by the signals from sunroof motor.
When sunroof motor detects an interruption during the following slide close and tilt down operation, sunroof
motor assembly controls the motor until full up position (when tilt down operate) or 125 mm (4.92 in) or more to
open direction (when slide close operate).
The function is operated in the following conditions.
close operation and tilt down when ignition switch is in the ON position.
close operation and tilt down during retained power operation.
INITIALIZATION PROCEDURE
If the battery is disconnected, the sunroof motor connector is disconnected sunroof does not close or open
automatically, use the following procedure to return sunroof operation to normal.
1. Close the sunroof if it is not in the closed position. It may be necessary to repeatedly push the switch to
close the sunroof.
2. Press the SLIDE OPEH/TILT DOWN switch for approximately 1 second or more.
3. Initialization procedure is completed. Confirm proper operation of the sunroof (slide open, slide close, tilt
up, tilt down.)

SE-34
AUTOMATIC DRIVE POSITIONER
Revision: 2006 January2006 M35/M45
21 SBMirror sensor (RH horizon-
tal) signalWhen mirror motor RH is LEFT or
RIGHT operationChanges between 3.5 (close to left
edge) 0.5 (close to right edge)
22 O/LMirror sensor (LH horizontal)
signalWhen mirror motor LH is LEFT or
RIGHT operationChanges between 0.5 (close to left
edge) 3.5 (close to right edge)
23 GR Telescopic sensor inputTelescopic position : Top 4.6
Telescopic position : Bottom 0.4
24 BR/W Set switch signalSet switch ON 0
Other than above 5
25 LG/B Memory switch 2 signalMemory switch 2 ON 0
Other than above 5
26 P UART LINE (RX) Tilt switch is operated
27 WTelescopic switch backward
signalTelescopic switch turned to backward 0
Other than above 5
30 GRMirror motor RH DOWN sig-
nalWhen mirror motor RH DOWN opera-
tionBattery voltage
Other than above 0
Mirror motor RH RIGTH sig-
nalWhen mirror motor RH RIGHT opera-
tionBattery voltage
Other than above 0
31 BR Mirror motor LH UP signalWhen mirror motor LH UP operation Battery voltage
Other than above 0
32 V Mirror motor LH LEFT signalWhen mirror motor LH LEFT operation Battery voltage
Other than above 0
33 W Sensor power supply — 5
34 R Power source (Fuse) — Battery voltage
35 LG Tilt motor UP signalTilt switch is UP operation Battery voltage
Other than above 0
36 PTelescopic motor forward sig-
nalTelescopic switch is forward operation Battery voltage
Other than above 0
39 L Power source (C/B) — Battery voltage
40 B Ground — 0
41 Y Sensor ground — 0
42 G Tilt motor DOWN signalTilt switch is DOWN operation Battery voltage
Other than above 0
44 GTelescopic motor backward
signalTelescopic switch is backward opera-
tionBattery voltage
Other than above 0
48 B Ground — 0 Termi-
nal Wire
colorItem ConditionVoltage (V)
(Approx)
SKIA0175E

TROUBLE DIAGNOSIS
SRS-17
C
D
E
F
G
I
J
K
L
MA
B
SRS
Revision: 2006 January2006 M35/M45
CONSULT-II FunctionNHS00094
DIAGNOSIS MODE FOR CONSULT-II
“SELF-DIAG [CURRENT]”
A current self-diagnosis results (also indicated by the number of warning lamp flashes in the Diagnosis
mode) is displayed on the CONSULT-II screen in real time. This refers to a malfunctioning part requiring
repairs.
“SELF-DIAG [PAST]”
Diagnosis results previously stored in the memory are displayed on the CONSULT-II screen. The stored
results are not erased until memory erasing is executed.
“TROUBLE DIAG RECORD”
With TROUBLE DIAG RECORD, diagnosis results previously erased by a reset operation can be dis-
played on the CONSULT-II screen.
“ECU DISCRIMINATED NO.”
The diagnosis sensor unit for each vehicle model is assigned
with its own, individual classification number. This number will
be displayed on the CONSULT-II screen, as shown. When
replacing the diagnosis sensor unit, refer to the part number for
the compatibility. After installation, replacement with a correct
unit can be checked by confirming this classification number on
the CONSULT-II screen.
After repair, make sure the discriminated number of diagnosis
sensor unit installed to vehicle are same. Refer to SRS-48,
"ECU DISCRIMINATED NO." .
PASSENGER AIR BAG
The STATUS (Readiness) of the front passenger air bag module is displayed.The STATUS displayed
(ON/OFF) depends on the signals supplied to the occupant classification system control module and
air bag diagnosis sensor unit. Refer to SRS-7, "
Occupant Classification System (OCS)" for more infoma-
tion.
HOW TO CHANGE SELF-DIAGNOSIS MODE WITH CONSULT-II
From User Mode to Diagnosis Mode
After selecting “AIR BAG” on the “SELECT SYSTEM” screen, User mode automatically changes to Diagnosis
mode.
From Diagnosis Mode to User Mode
To return to User mode from Diagnosis mode, touch “BACK” key of CONSULT-II until “SELECT SYSTEM”
appears, then diagnosis mode automatically changes to User mode.
PHIA0218E
SRS803
SRS804

SRS-40
SPIRAL CABLE
Revision: 2006 January2006 M35/M45
SPIRAL CABLEPFP:25554
Removal and InstallationNHS0009D
REMOVAL
CAUTION:
Before servicing, turn ignition switch OFF, disconnect both battery terminal and wait at least 3
minutes.
Do not use air tools or electric tools for servicing.
Do not disassemble the spiral cable.
Do not arrow oil, grease, detergent or water to come in contact with the spiral cable.
Do not make an impact to the spiral cable by dropping etc. Replace the spiral cable if it has been
dropped or sustained an impact.
1. Remove the air bag module. Refer to SRS-38, "
Removal and Installation" .
2. Remove the steering wheel. Refer to PS-12, "
Removal and Installation" .
3. Remove the column cover.
4. Remove the wiper washer switch, then remove light and turn signal switch from the spiral cable.
5. Remove the spiral cable.
Disconnect the horn switch connector (shown as A in the fig-
ure).
Disconnect the spiral cable connector (shown as B in the fig-
ure).
Loosen the spiral cable fixing screws.
Shift the spiral cable forward a bit while pushing the pawl
located above the spiral cable.
Disconnect the steering wheel switch connector (shown as C
in the figure).
NOTE:
Disconnect the spiral cable connector after disconnecting the
horn switch connector.
INSTALLATION
Install in the reverse order of removal.
PHIA1112E
1. Steering wheel 2. Steering column cover (lower) 3. Light and turn signalswitchs
4. Wiper washer switch 5. Spiral cable 6. Steering column cover (upper)
7. Steering column assembly 8. Driver air bag module connector
PHIA0886J

STC-16
[RAS]
SYSTEM DESCRIPTION
Revision: 2006 January2006 M35/M45
SYSTEM DESCRIPTIONPFP:00000
ComponentsNGS000E8
RAS (Rear Active Steer) FunctionNGS000E9
A. RAS control unit B. Model following control C. Target vehicle dynamics model
D. Rear wheel steering angle com-
mand value operationE. Rear wheel steering angle servo F. Vehicle speed signal (CAN)
G. Steering angle signal (CAN) H. Vehicle speed sensor I. Steering angle sensor
J. RAS actuator assembly
SGIA1241E
Part name Function
RAS control unit
Calculate the vehicle speed signal from CAN communication and the signals from steering
angle sensor and rear wheel steering angle sensor by a computer, and then control the rear
wheel steering angle.
Fail-safe function is activated when the electrical system is malfunctioning. The output signal
to the actuator is turned OFF during this mode. At that time, the RAS warning lamp illumi-
nates and indicates the system is malfunctioning.
It performs the communication control function with other control units via CAN communica-
tion.
This enables system diagnosis with CONSULT-II.
RAS actuatorThe efficiency of the rear wheel steer improves by locating the electric motor actuator into the
lower link of rear suspension.
Steering angle sensor
Measure the steering angle and send it to RAS control unit via CAN communication.
It is shared with the steering angle sensor for VDC.
Rear wheel steering angle sensor
It sends the rear wheel steering angle status to RAS control unit. The accuracy of rear wheel
steer improves by comparing the vehicle speed signal from CAN communication with the
rear wheel steering angle target value calculated from the wheel angle sensor signal, and it
controls them.
There are 2 types of rear wheel steering angle sensors (main/sub). If one of them is malfunc-
tioning, the other operates the fail-safe mode and stops the control.
RAS warning lamp
It turns on when the fail-safe function is operated and indicates that a RAS control malfunc-
tion has occurred.
It turns on when ignition switch turns on and turns off after the engine is started.
It indicates the suspect system by blinking when performing the self-diagnosis (without CON-
SULT-II).

TROUBLE DIAGNOSIS
STC-31
[RAS]
C
D
E
F
H
I
J
K
L
MA
B
STC
Revision: 2006 January2006 M35/M45
Diagnosis Procedure with Self-Diagnosis Function (Without CONSULT- I I )NGS000EL
DESCRIPTION
If a malfunction is detected in the system, the RAS warning lamp turns on and indicates the malfunction. At
that time, fail-safe activates, and then stops the function.
SELF-DIAGNOSIS PROCEDURE
1. Start engine.
2. Turn steering wheel left and right at 20
or more and 5 times or more within 10 seconds. And then depress
the service brake 5 times or more.
3. RAS warning lamp blinks (displays normal/malfunction).
SELF-DIAGNOSIS DISPLAY
RAS warning lamp blinks and displays the self-diagnostic results.
Only DTCs are displayed as the pattern shown in the figure, and
then repeat the display.
If all items are normal, RAS warning lamp blinks at 4 Hz cycle.
SELF-DIAGNOSIS DISPLAY ITEMS
HOW TO ERASE SELF-DIAGNOSIS
If there is the history data for when the fail-safe has activated in the past, erase the memory with CONSULT-II.
Refer to STC-29, "
How to Erase Self-Diagnostic Results" .
CAN CommunicationNGS000EM
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only. Refer to LAN-34, "
CAN
Communication Unit" .
SGIA1243E
DTC (warning lamp blinks) Diagnosis item Inspection item
11 RAS control unitSTC-35, "
Inspection 1: RAS Control Unit Malfunction"
12 Motor power supplySTC-35, "Inspection 2: Motor Power Supply System"
13 Motor outputSTC-37, "Inspection 3: RAS Motor Output Malfunction"
21 Vehicle speed signalSTC-38, "Inspection 4: Vehicle Speed Signal"
22 Steering angle signalSTC-38, "Inspection 5: Steering Angle Signal Malfunction"
24 Rear wheel steering angle (main)STC-40, "Inspection 6: Rear Main Signal and Rear Sub Signal
Malfunction"
25 Rear wheel steering angle (sub)STC-40, "Inspection 6: Rear Main Signal and Rear Sub Signal
Malfunction"
26 VDCSTC-42, "Inspection 7: VDC Malfunction"
33 Engine speed signalSTC-43, "Inspection 8: Engine Speed Signal Malfunction"

TROUBLE DIAGNOSIS
STC-33
[RAS]
C
D
E
F
H
I
J
K
L
MA
B
STC
Revision: 2006 January2006 M35/M45
3. CHECK RAS CONTROL UNIT POWER SUPPLY CIRCUIT
Turn ignition switch ON, and then check voltage between RAS con-
trol unit harness connector B127 and ground.
OK or NG
OK >> Power supply and ground circuit are normal.
NG >> Power supply circuit open or shorted. Repair or replace
any inoperative parts.
Trouble Diagnosis ChartNGS000EP
SELF-DIAGNOSIS
Terminal 27 – Ground : Battery voltage (Approx. 12 V)
SGIA1245E
Item
Reference Self-diagnosis function CONSULT-II
DTC
(warning
lamp blinks)Diagnosis item Diagnosis item
11 Control unit CONTROL_UNIT [ABNORMAL 1 - 9]STC-35
12 Motor power supplyMOTOR_VOLTAGE [LOW_VOLTAGE] (ꞏ a)
STC-35MOTOR_VOLTAGE [BAD_OBSTRCT] (ꞏ b)
13 Motor outputMOTOR_OUTPUT [ABNORMAL_SIG] (ꞏ a)
STC-37
MOTOR_OUTPUT [REV_CURRENT] (ꞏ c)
MOTOR_OUTPUT [NO_CURRENT] (ꞏ d)
MOTOR_OUTPUT [OVERCURRENT] (ꞏ e)
MOTOR_OUTPUT [MOTOR_LOCK] (ꞏ b)
21 Vehicle speed signal VEHICLE_SPEED_SEN [NO_SIGNAL]STC-38
22 Steering angle signalSTEERING_ANGLE_SEN [NO_CHANGE] (ꞏ a)
STC-38STEERING_ANGLE_SEN [NO_NEUT_STATE] (ꞏ b)
STEERING_ANGLE_SEN [NO_SIGNAL]
STEERING_ANGLE_SEN
24 Rear wheel steering angle (main)RR_ST_ANGLE_SENSOR [MAIN_SIGNAL] (ꞏ a)
STC-40
RR_ST_ANGLE_SENSOR [ABNORMAL_VOL] (ꞏ d)
RR_ST_ANGLE_SENSOR [OFFSET_SIG 1, 2] (ꞏ c)
25 Rear wheel steering angle (sub)RR_ST_ANGLE_SENSOR [SUB_SIGNAL] (ꞏ b)
RR_ST_ANGLE_SENSOR [ABNORMAL_VOL] (ꞏ d)
RR_ST_ANGLE_SENSOR [OFFSET_SIG 1, 2] (ꞏ c)
26 VDC VDCSTC-42
27 Engine speed signal MOTOR_OUTPUTSTC-43
— CAN COMM CIRCUIT
STC-43
— CONTROL UNIT