Nissan Sentra. Manual - part 672

PCS

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

PCS-41

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R (WITHOUT I-KEY)]

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:0000000009755837

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-42

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R (WITHOUT I-KEY)]

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

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

PCS

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

PCS-43

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R (WITHOUT I-KEY)]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

TERMINAL LAYOUT

PHYSICAL VALUES

ALMIA0617ZZ

Terminal NO.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

–

1

(R)

Ground

Battery power supply

Input

Ignition switch OFF

6 – 16 V

2

(G)

Ground

Battery power supply

Input

Ignition switch OFF

6 – 16 V

4

(BR)

Ground

Transmission range 
switch

Input

Select lever in any position other than P or 
N (Ignition switch ON)

0 – 1 V

Select lever P or N (Ignition switch ON)

9 – 16 V

5

(Y)

Ground

Headlamp HI (RH)

Output

Ignition 
switch 
2ND or 
AUTO

Lighting switch OFF

0 – 1 V

• Lighting switch HI
• Lighting switch PASS

9 – 16 V

6

(G)

Ground

Headlamp HI (LH)

Output

Ignition 
switch 
2ND or 
AUTO

Lighting switch OFF

0 – 1 V

• Lighting switch HI
• Lighting switch PASS

9 – 16 V

PCS-44

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R (WITHOUT I-KEY)]

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

7

(L)

Ground

Headlamp LO (LH)

Output

Lighting switch OFF

0 – 1 V

Lighting switch 2ND

9 – 16 V

8

(P)

Ground

Headlamp LO (RH)

Output

Lighting switch OFF

0 – 1 V

Lighting switch 2ND

9 – 16 V

10

(P)

Ground

Fuel pump relay power 
supply

Output

Approximately 1 second or more than after 
turning the ignition switch ON

0 – 1 V

• Approximately 1 second after turning the 

ignition switch ON

• Engine running

6 – 16 V

11

(GR)

Ground

Throttle control motor 
relay power supply

Output

Ignition switch OFF
(More than a few seconds after turning igni-
tion switch OFF)

0 – 1 V

• Ignition switch ON
• Ignition switch OFF

(For a few seconds after turning ignition 
switch OFF)

6 – 16 V

12

(SB)

Ground

A/C relay power supply Output

Engine 
running

A/C switch OFF

0 – 1 V

A/C switch ON
(A/C compressor is operating)

9 – 16 V

13

(O)

Ground

Ignition relay power 
supply

Output

Ignition switch OFF or ACC

0 – 1 V

Ignition switch ON

6 – 16 V

14

(LG)

Ground

Ignition relay power 
supply

Output

Ignition switch OFF

0 – 1 V

Ignition switch ON

6 – 16 V

15

(V)

Ground

Ignition relay power 
supply

Output

Ignition switch OFF

0 – 1 V

Ignition switch ON

6 – 16 V

16

(SB)

Ground

Throttle control motor 
relay control

Output

Ignition switch OFF or ACC

6 – 16 V

Ignition switch ON

0 – 1 V

17

(LG)

Ground

Ignition relay power 
supply

Output

Ignition switch OFF

0 – 1 V

Ignition switch ON

6 – 16 V

18

(O)

Ground

Ignition relay power 
supply

Output

Ignition switch OFF

0 – 1 V

Ignition switch ON

6 – 16 V

19

(R)

Ground

Starter motor

Output

Other than engine cranking

0 – 1 V

At engine cranking

6 – 16 V

20

(P)

Ground

Battery power supply

Input

Ignition switch OFF

9 – 16 V

21

(LG)

Ground

Cooling fan relay-1 
power supply

Output

Cooling fan OFF

0 – 1 V

Cooling fan operated

9 – 16 V

22

(GR)

Ground

Ignition switch START

Output

Any position other ignition switch START

0 – 1 V

Ignition switch START

6 – 16 V

23

(Y)

Ground

Cooling fan relay-2 
power supply

Output

Cooling fan OFF

0 – 1 V

Cooling fan LO operated

4 – 8 V

Cooling fan HI operated

9 – 16 V

24

(V)

Ground

Battery power supply

Input

Ignition switch OFF

6 – 16 V

Terminal NO.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

–