Nissan Quest E52. Instruction — part 930

PCS

IPDM E/R

PCS-17

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

ST/INHI RLY

Ignition switch ON

Off

At engine cranking

INHI

→

ST

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 selec-

tor lever in P position

• Selector lever in any position other

than P

Off

Release the selector button with selector lever in P position

On

S/L RLY -REQ

NOTE:
The item is indicated, but not monitored.

Off

S/L STATE

NOTE:
The item is indicated, but not monitored.

UNLK

DTRL REQ

Daytime running light system is not operated

Off

Daytime running light system is operated

On

OIL P SW

Ignition switch OFF or ACC

Open

Ignition switch ON (engine running)

Ignition switch ON (engine stopped)

Close

HOOD SW

NOTE:
The item is indicated, but not monitored.

Off

HL WASHER REQ

NOTE:
The item is indicated, but not monitored.

Off

THFT HRN REQ

Not operation

Off

• Panic alarm is activated
• Theft warning alarm is activated

On

HORN CHIRP

Not operation

Off

Door locking with Intelligent Key (horn chirp mode)

On

CRNRNG LMP REQ

NOTE:
The item is indicated, but not monitored.

Off

Monitor Item

Condition

Value/Status

PCS-18

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R]

IPDM E/R

TERMINAL LAYOUT

PHYSICAL VALUES

JPMIA0863ZZ

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

(L)

Ground

Battery power supply

Input

Ignition switch OFF

6 – 16 V

4

(LG)

Ground

Front wiper LO

Output

Ignition switch
ON

Front wiper switch OFF

0 – 1 V

Front wiper switch LO

9 – 16 V

5

(Y)

Ground

Front wiper HI

Output

Ignition switch
ON

Front wiper switch OFF

0 – 1 V

Front wiper switch HI

9 – 16 V

6

(G)

Ground

Daytime running light
relay power supply

Input

Ignition switch OFF

6 – 16 V

7

(BR)

Ground

Illuminations

Output

Lighting switch OFF

0 – 1 V

Lighting switch 1ST

9 – 16 V

10

(P)

Ground

ECM 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

(B)

Ground

Ground

—

Ignition switch ON

0 – 1 V

PCS

IPDM E/R

PCS-19

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

13

(G)

Ground

Fuel pump power
supply

Output

Approximately 1 second or more after turn-
ing the ignition switch ON

0 – 1 V

• Approximately 1 second after turning the

ignition switch ON

• Engine running

6 – 16 V

15

(L)

Ground

Ignition power supply

Output

Ignition switch OFF or ACC

0 – 1 V

Ignition switch ON

6 – 16 V

16

(R)

Ground

Front wiper stop posi-
tion

Input

Ignition switch
ON

Front wiper stop position

0 – 1 V

Any position other than
front wiper stop position

9 – 16 V

18

(P)

Ground

Ignition power supply
No. 2

Input

Ignition switch OFF or ACC

0 – 1 V

Ignition switch ON

6 – 16 V

19

(V)

Ground

Ignition relay power
supply

Output

Ignition switch OFF or ACC

0 – 1 V

Ignition switch ON

6 – 16 V

20

(W)

Ground

Ambient sensor
ground

Output

Ignition switch ON

0 – 1 V

21

(O)

Ground

Ambient sensor

Input

Ignition switch ON

0 – 4.8 V

NOTE:

Changes depending to ambient

temperature

22

(SB)

Ground

Refrigerant pressure
sensor ground

Output

Engine run-
ning

• Warm-up condition
• Idle speed

0 – 1 V

23

(GR)

Ground

Refrigerant pressure
sensor

Output

Engine run-
ning

• Warm-up condition
• Both A/C switch and

blower fan motor
switch ON (Compres-
sor operates)

1 – 4 V

24

(G)

Ground

Refrigerant pressure
sensor power supply

Input

Ignition switch ON

5 V

25

(GR)

Ground

Ignition relay power
supply

Output

Ignition switch OFF or ACC

0 – 1 V

Ignition switch ON

6 – 16 V

27

(BR)

Ground

Ignition relay monitor

Input

Ignition switch OFF or ACC

6 – 16 V

Ignition switch ON

0 – 1 V

28

(G)

Ground

Push-button ignition
switch

Input

Press the push-button ignition switch

0 – 1 V

Release the push-button ignition switch

6 – 16 V

30

(LG)

Ground

Starter relay control

Input

Ignition switch
ON

Selector lever in any posi-
tion other than P or N

6 – 16 V

Selector lever P or N

0 – 1 V

34

(O)

Ground

Cooling fan relay-3
control

Input

Cooling fan stopped

6 – 16 V

Cooling fan at HI operation

0 – 1 V

35

(P)

Ground

Cooling fan relay-1
power supply

Input

Cooling fan stopped

6 – 16 V

Cooling fan at LO operation

4 – 8 V

36

(G)

Ground

Battery power supply

Input

Ignition switch OFF

6 – 16 V

38

(GR)

Ground

Cooling fan relay-2
power supply

Output

Cooling fan not operation

0 – 1 V

Cooling fan at LO operation

4 – 8 V

Cooling fan at HI operation

9 – 16 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

−

PCS-20

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R]

IPDM E/R

39

(P)

—

CAN-L

Input/

Output

—

—

40

(L)

—

CAN-H

Input/

Output

—

—

41

(B)

Ground

Ground

—

Ignition switch ON

0 – 1 V

42

(SB)

Ground

Cooling fan relay-2
control

Input

Cooling fan stopped

9 – 16 V

• Cooling fan at MID operation
• Cooling fan at HI operation

0 – 1 V

43

(LG)

Ground

CVT shift selector
(Detention switch)

Input

Ignition switch
ON

• Press the selector but-

ton (selector lever P)

• Selector lever in any

position other than P

9 – 16 V

Release the selector but-
ton (selector lever P)

0 – 1 V

44

(W)

Ground

Horn relay control

Input

The horn is deactivated

9 – 16 V

The horn is activated

0 – 1 V

45

(Y)

Ground

Horn switch

Input

The horn is deactivated

9 – 16 V

The horn is activated

0 – 1 V

46

(O)

Ground

Starter relay control

Input

At engine cranking

0 – 1 V

Other than at engine cranking

6 – 16 V

48

(W)

Ground

A/C relay power
supply

Output

Engine run-
ning

A/C switch OFF

0 – 1 V

A/C switch ON
(A/C compressor is oper-
ating)

9 – 16 V

49

(R/B)

Ground

ECM relay power sup-
ply

Output

Ignition switch OFF or ACC

0 – 1 V

Ignition switch ON

6 – 16 V

51

(LG)

Ground

Ignition relay power
supply

Output

Ignition switch OFF or ACC

0 – 1 V

Ignition switch ON

6 – 16 V

52

(Y/G)

Ground

Ignition relay power
supply

Output

Ignition switch OFF or ACC

0 – 1 V

Ignition switch ON

6 – 16 V

53

(R/W)

Ground

ECM relay power sup-
ply

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

54

(G/W)

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

55

(W/L)

Ground

ECM power supply

Output

Ignition switch OFF

6 – 16 V

56

(R/Y)

Ground

Ignition relay power
supply

Output

Ignition switch OFF or ACC

0 – 1 V

Ignition switch ON

6 – 16 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

−