engine cooling INFINITI M35 2006 Factory Service Manual

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PG-27
C
D
E
F
G
H
I
J
L
MA
B
PG
Revision: 2006 January2006 M35/M45
Cooling fan does not
operate.Perform auto active
test. Does cooling
fan operate?YES
ECM signal input circuit malfunction
CAN communication signal malfunction between ECM and IPDM E/R
NO
Cooling fan motor malfunction
Harness/connector malfunction between cooling fan motor and cooling fan
control module
Cooling fan control module malfunction
Harness/connector malfunction between IPDM E/R and cooling fan control
module
Cooling fan relay malfunction
Harness/connector malfunction between IPDM E/R and cooling fan relay
IPDM E/R malfunction
Oil pressure warning
lamp does not oper-
ate.Perform auto active
test. Does oil pres-
sure warning lamp
blink?YES
Harness/connector malfunction between IPDM E/R and oil pressure switch
Oil pressure switch malfunction
IPDM E/R malfunction
NO
CAN communication signal malfunction between IPDM E/R and unified meter
and A/C amp.
Combination meter malfunction Symptom Inspection contents Possible cause

HARNESS
PG-93
C
D
E
F
G
H
I
J
L
MA
B
PG
Revision: 2006 January2006 M35/M45
Wiring Diagram Codes (Cell Codes) NKS004ET
Use the chart below to find out what each wiring diagram code stands for.
Refer to the wiring diagram code in the alphabetical index to find the location (page number) of each wiring
diagram.
Code Section Wiring Diagram Name
A/C ATC Air Conditioner
AF1B1 EC Air Fuel Ratio Sensor 1 Bank 1
AF1B2 EC Air Fuel Ratio Sensor 1 Bank 2
AF1HB1 EC Air Fuel Ratio Sensor 1 Heater Bank 1
AF1HB2 EC Air Fuel Ratio Sensor 1 Heater Bank 2
AFS LT Adaptive Front Lighting System
APPS1 EC Accelerator Pedal Position Sensor
APPS2 EC Accelerator Pedal Position Sensor
APPS3 EC Accelerator Pedal Position Sensor
ASC/BS EC Automatic Speed Control Device (ASCD) Brake Switch
ASC/SW EC Automatic Speed Control Device (ASCD) Steering Switch
ASCBOF EC Automatic Speed Control Device (ASCD) Brake Switch
ASCIND EC Automatic Speed Control Device (ASCD) Indicator
AT/IND DI A/T Indicator Lamp
AUT/DP SE Automatic Drive Positioner
AUTO/L LT Automatic Light System
AV AV Audio and Visual System
AWD TF AWD Control System
BACK/L LT Back-Up Lamp
BRK/SW EC Brake Switch
C/SEAT SE Climate Controlled Seat
CAN AT CAN Communication Line
CAN EC CAN Communication Line
CAN LAN CAN System
CHARGE SC Charging System
CHIME DI Warning Chime
CIGAR WW Cigarette Lighter
CLOCK DI Clock
COMBSW LT Combination Switch
COMPAS DI Compass and Thermometer
COOL/F EC Cooling Fan Control
CUR/SE EC Battery Current Sensor
D/LOCK BL Power Door Lock
DEF GW Rear Window Defogger
DTRL LT Headlamp - with Daytime Light System
ECM/PW EC ECM Power Supply for Back-Up
ECTS EC Engine Coolant Temperature Sensor
ENG/ST BL Engine Start System
EPS STC Electric Controlled Power Steering System
ETC1 EC Electric Throttle Control Function
ETC2 EC Electric Throttle Control Motor Relay