Nissan Note E12. Manual - part 471

PCS

DIAGNOSIS SYSTEM (IPDM E/R)

PCS-11

< SYSTEM DESCRIPTION >

[IPDM E/R]

C

D

E

F

G

H

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J

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L

B

A

O

P

N

ECU IDENTIFICATION

The IPDM E/R part number is displayed.

SELF DIAGNOSTIC RESULT

Refer to 

PCS-20, "DTC Index"

.

DATA MONITOR

ACTIVE TEST

Active Test

The IPDM E/R activates outputs to test components.

CAN Diag Support Mntr

The result of transmit/receive diagnosis of CAN communication is displayed.

Direct Diagnostic Mode

Description

Monitor Item [Unit]

Main

Signals

Description

MOTOR FAN REQ [%]

×

Indicates cooling fan speed signal received from ECM on CAN communication 
line

AC COMP REQ [On/Off]

×

Indicates A/C compressor request signal received from ECM on CAN commu-
nication line

TAIL&CLR REQ [On/Off]

×

Indicates position light request signal received from BCM on CAN communica-
tion line

HL LO REQ [On/Off]

×

Indicates low beam request signal received from BCM on CAN communication 
line

HL HI REQ [On/Off]

×

Indicates high beam request signal received from BCM on CAN communication 
line

FR FOG REQ [On/Off]

×

Indicates front fog light request signal received from BCM on CAN communica-
tion line

FR WIP REQ [Stop/1LOW/Low/Hi]

×

Indicates front wiper request signal received from BCM on CAN communication 
line

WIP AUTO STOP [STOP P/ACT P]

×

Indicates condition of front wiper auto stop signal

WIP PROT [Off/BLOCK]

×

Indicates condition of front wiper fail-safe operation

IGN RLY1 -REQ [On/Off]

Indicates ignition switch ON signal received from BCM on CAN communication 
line

IGN RLY [On/Off]

×

Indicates condition of ignition relay

PUSH SW [On/Off]

Indicates condition of push-button ignition switch

INTER/NP SW [On/Off]

Indicates condition of CVT shift position

ST RLY CONT [On/Off]

Indicates starter relay status signal received from BCM on CAN communication 
line

IHBT RLY -REQ [On/Off]

Indicates starter control relay signal received from BCM on CAN communication 
line

ST/INHI RLY [Off/ ST /INHI]

Indicates condition of starter relay and starter control relay

DETENT SW [On/Off]

Indicates condition of CVT shift selector (park position switch)

DTRL REQ [Off]

Indicates daytime light request signal received from BCM on CAN communica-
tion line

HOOD SW [On/Off]

Indicates condition of hood switch

THFT HRN REQ [On/Off]

Indicates theft warning horn request signal received from BCM on CAN commu-
nication line

HORN CHIRP [On/Off]

Indicates horn reminder signal received from BCM on CAN communication line

Test item

Description

HORN

This test is able to check horn operation [On].

FRONT WIPER

This test is able to check wiper motor operation [Hi/Lo/Off].

PCS-12

< SYSTEM DESCRIPTION >

[IPDM E/R]

DIAGNOSIS SYSTEM (IPDM E/R)

CAN DIAG SUPPORT MNTR

Refer to 

LAN-12, "CAN Diagnostic Support Monitor"

.

MOTOR FAN

This test is able to check cooling fan operation [4/3/2/1].

EXTERNAL LAMPS

This test is able to check external lamp operation [Fog/Hi/Lo/TAIL/Off].

Test item

Description

PCS

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

PCS-13

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

ECU DIAGNOSIS INFORMATION

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE
ROOM)

Reference Value

INFOID:0000000009567567

VALUES ON THE DIAGNOSIS TOOL

Monitor Item

Condition

Value/Status

MOTOR FAN REQ

Engine idle speed

Changes depending on engine cool-
ant temperature, air conditioner op-
eration status, vehicle speed, etc.

1/2/3/4

AC COMP REQ

Engine running

A/C switch OFF

Off

A/C switch ON
(Compressor is operating)

On

TAIL&CLR REQ

Lighting switch OFF

Off

Lighting switch 1ST or 2ND

On

HL LO REQ

Lighting switch OFF

Off

Lighting switch 2ND

On

HL HI REQ

Lighting switch 2ND

Lighting switch other than HI and 
PASS

Off

Lighting switch HI or PASS

On

FR FOG REQ

Lighting switch 2ND

Front fog lamp switch OFF

Off

Front fog lamp switch ON

On

FR WIP REQ

Ignition switch ON

Front wiper switch OFF

Stop

Front wiper switch INT

1LOW

Front wiper switch LO

Low

Front wiper switch HI

Hi

WIP AUTO STOP

Ignition switch ON

Front wiper stop position

STOP P

Any position other than front wiper 
stop position

ACT P

WIP PROT

Ignition switch ON

Front wiper operates normally.

Off

Front wiper stops at fail-safe opera-
tion.

BLOCK

IGN RLY1 -REQ

Ignition switch OFF or ACC

Off

Ignition switch ON

On

IGN RLY

Ignition switch OFF or ACC

Off

Ignition switch ON

On

PUSH SW

Release the push-button ignition switch

Off

Press the push-button ignition switch

On

INTER/NP SW

Ignition switch ON

Selector lever in any position other 
than P or N (CVT models)

Off

Release clutch pedal (M/T models)

Selector lever in P or N position 
(CVT models)

On

Depress clutch pedal (M/T models)

ST RLY CONT

Ignition switch ON

Off

At engine cranking

On

PCS-14

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R]

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

IHBT RLY -REQ

Ignition switch ON

Off

At engine cranking

On

ST/INHI RLY

Ignition switch ON

Off

At engine cranking

INHI ON 

→ ST ON

The status of starter relay or starter control relay cannot be recognized by 
the battery voltage malfunction, etc. when the starter relay is ON and the 
starter control relay is OFF.

UNKWN

DETENT SW

Ignition switch ON

• Press the selector button with se-

lector lever in P position.

• Selector lever in any position oth-

er than P.

Off

Release the selector button with selector lever in P position.

On

DTRL REQ

Daytime running lamps OFF

Off

Daytime running lamps ON

On

HOOD SW

Hood closed

Off

Hood open

On

THFT HRN REQ

Not operation

Off

• Panic alarm is activated
• Theft warning alarm is activated

On

HORN CHIRP

Not operated

Off

Door locking with keyfob (horn chirp mode)

On

Monitor Item

Condition

Value/Status