Nissan Tiida C11. Manual - part 1105

PCS

RELAY CONTROL SYSTEM

PCS-3

< FUNCTION DIAGNOSIS >

[IPDM E/R]

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FUNCTION DIAGNOSIS

RELAY CONTROL SYSTEM

System Diagram

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AWMIA0020GB

PCS-4

< FUNCTION DIAGNOSIS >

[IPDM E/R]

RELAY CONTROL SYSTEM

System Description

INFOID:0000000001697580

IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input sig-
nals from various sensors and the request signals received from control units via CAN communication.

CAUTION:

IPDM E/R integrated relays cannot be removed.

Control relay

Input/output

Transmit unit

Control part

Reference 

page

Front fog lamp relay

Front fog lamp request signal

BCM (CAN)

Front fog lamps

EXL-19

• Headlamp high relay
• Headlamp low relay

• High beam request signal
• Low beam request signal

BCM (CAN)

• Headlamp high
• Headlamp low

EXL-8
EXL-10

Tail lamp relay

Position light request signal

BCM (CAN)

• Parking  lamps
• License plate lamps
• Tail lamps
• Illumination system

EXL-24

• Front wiper relay
• Front wiper high relay

Front wiper request signal

BCM (CAN)

Front wiper motor

WW-4

Rear window defogger re-
lay

Rear window defogger re-
quest signal

BCM (CAN)

Rear window defogger

DEF-6

A/C relay

A/C request signal

• BCM  (CAN)
• ECM  (CAN)

A/C compressor

HAC-11

Starter relay

Ignition switch START signal

TCM

Starter motor

STR-6

Cooling fan relay

Cooling fan request signal

ECM (CAN)

Cooling fan relay

CO-4

ECM relay

ECM relay control signal

ECM (CAN)

ECM relay

EC-124

Throttle control motor relay

Throttle control motor control 
signal

ECM (CAN)

Throttle control motor re-
lay

EC-38

Fuel pump relay

Fuel pump request signal

ECM (CAN)

Fuel pump

EC-38

Ignition relay

Ignition switch ON signal

Ignition switch

Ignition relay

EC-47

PCS

RELAY CONTROL SYSTEM

PCS-5

< FUNCTION DIAGNOSIS >

[IPDM E/R]

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Component Parts Location

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1.

IPDM E/R E42, E43, E44, E45, E46, 
E47, E48

ALMIA0313ZZ

PCS-6

< FUNCTION DIAGNOSIS >

[IPDM E/R]

POWER CONTROL SYSTEM

POWER CONTROL SYSTEM

System Diagram

INFOID:0000000001697582

System Description

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COOLING FAN CONTROL

IPDM E/R controls the cooling fan according to the status of the cooling fan speed request signal received
from ECM via CAN communication. Refer to 

LAN-13, "System Description"

.

ALMIA0111GB