Infiniti QX56 (Z62). Manual - part 965

 

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Infiniti QX56 (Z62). Manual - part 965

 

 

PCS-16

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R]

IPDM E/R

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

• Pull the selector lever with selec-

tor lever in P position.

• Selector lever in any position oth-

er than P.

Off

Release the selector lever with selector lever in P position.

On

S/L RLY -REQ

None of the conditions below are present.

Off

• Open the driver door after the ignition switch is turned OFF (for a few 

seconds).

• Press the push-button ignition switch when the steering lock is activat-

ed.

On

S/L STATE

Steering lock is locked.

LOCK

Steering lock is unlocked.

UNLK

[DTC: B210A] is detected.

UNKWN

OIL P SW

Ignition switch OFF or ACC

Open

Ignition switch ON (engine running)

Ignition switch ON (engine stopped)

Close

HOOD SW

Close the hood

Off

Open the hood

On

HL WASHER REQ

Not operating

Off

Headlamp washer operating

On

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

Monitor Item

Condition

Value/Status

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

TERMINAL LAYOUT

PHYSICAL VALUES

JPMIA1423ZZ

Terminal NO.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

1

(W)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

2

(G)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

3

(R)

Ground

Starter motor

Output

Ignition switch ON

0 V

At engine cranking

Battery voltage

4

(L)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

5

(P/L)

Ground

Ignition relay power 
supply

Output

Ignition switch OFF or ACC

0 V

Ignition switch ON

Battery voltage

7

(W/G)

Ground

Ignition relay power 
supply

Output

Ignition switch OFF or ACC

0 V

Ignition switch ON

Battery voltage

8

(W)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

9

(B)

Ground

Ground

Ignition switch ON

0 V

14

(L)

Ground

Rear window defogger

Output

Ignition switch 
ON

Rear window defogger 
switch OFF

0 V

Rear window defogger 
switch ON

Battery voltage

PCS-18

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R]

IPDM E/R

17

(B)

Ground

Cooling fan motor 
ground

Output

Ignition switch ON

0 V

18

(B)

Ground

Ground

Ignition switch ON

0 V

19

(V)

Ground

Front fog lamp (RH)

Output

Lighting 
switch 2ND or
AUTO (Light 
is illuminated)

Front fog lamp switch 
OFF

0 V

Front fog lamp switch ON

Battery voltage

20

(W)

Ground

Front fog lamp (LH)

Output

Lighting 
switch 2ND or
AUTO (Light 
is illuminated)

Front fog lamp switch 
OFF

0 V

Front fog lamp switch ON

Battery voltage

21

(L)

Ground

Headlamp washer re-
lay control

Output

Ignition switch 
ON

Headlamp washer acti-
vated

0 V

Headlamp washer deacti-
vated

12 V

23

(GR/R)

Ground

Cranking request

Output

Select lever P or N (Ignition switch ON)

0 V

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

12 V

Engine running

12 V

24

(W/G)

Ground

Oil pressure switch

Input

Ignition switch 
ON

Engine stopped

0 V

Engine running

12 V

25

(L/Y)

Ground

Front wiper stop posi-
tion

Input

Ignition switch 
ON

Front wiper stop position

0 V

Any position other than 
front wiper stop position

12 V

26

(P)

Ground

CAN-L

Input/

Output

27

(L)

Ground

CAN-H

Input/

Output

30

(R/W)

Ground

Starter relay control

Output

• Ignition switch OFF or ACC
• At engine cranking

0 V

• Ignition switch ON
• Engine running

12 V

31

(B)

Ground

Injector relay control

Output

• Approximately 1 second after turning 

the ignition switch ON

• Engine running

0 - 1.5 V

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

Battery voltage

32

(LG)

Ground

Hood switch

Input

Close the hood

12 V

Open the hood

0 V

33

(R)

Ground

Alternator control

Output

Ignition switch OFF or ACC

0 V

Ignition switch ON

6 V

34

(P/B)

Ground

Horn relay control

Output

The horn is deactivated

Battery voltage

The horn is activated

0 V

Terminal NO.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

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

35

(W)

Ground

ECM relay power sup-
ply

Output

Ignition switch OFF
(More than a few seconds after turning ig-
nition switch OFF)

0 V

• Ignition switch ON
• Ignition switch OFF

(For a few seconds after turning ignition 
switch OFF)

Battery voltage

36

(V)

Ground

ECM relay power sup-
ply

Output

Ignition switch OFF or ACC

0 V

Ignition switch ON

Battery voltage

37

(L)

Ground

Parking lamp (RH)

Output

Ignition switch 
ON

Lighting switch OFF

0 V

Lighting switch 1ST

Battery voltage

38

(Y)

Ground

Tail lamp (RH)

Output

Ignition switch 
ON

Lighting switch OFF

0 V

Lighting switch 1ST

Battery voltage

39

(L/B)

Ground

Front wiper HI

Output

Ignition switch 
ON

Front wiper switch OFF

0 V

Front wiper switch LO

9 V

Front wiper switch HI

Battery voltage

41

(L/G)

Ground

ECM relay control

Output

Ignition switch OFF
(More than a few seconds after turning ig-
nition switch OFF)

Battery voltage

• Ignition switch ON
• Ignition switch OFF

(For a few seconds after turning ignition 
switch OFF)

0 - 1.5 V

42

(L)

Ground

Battery power supply

Output

Ignition switch OFF
(More than a few seconds after turning ig-
nition switch OFF)

0 V

• Ignition switch ON
• Ignition switch OFF

(For a few seconds after turning ignition 
switch OFF)

Battery voltage

43

(LG)

Ground

Parking lamp (LH)

Output

Ignition switch 
ON

Lighting switch OFF

0 V

Lighting switch 1ST

Battery voltage

44

(L/W)

Ground

Tail lamp (LH), license 
plate lamp

Output

Ignition switch 
ON

Lighting switch OFF

0 V

Lighting switch 1ST

Battery voltage

45

(Y/R)

Ground

Front wiper LO

Output

Ignition switch 
ON

Front wiper switch OFF

0 V

Front wiper switch LO

Battery voltage

46

(L/W)

Ground

Steering lock unit pow-
er supply

Output

Ignition switch ACC or ON

0 V

Ignition switch 
OFF

A few seconds after 
opening the driver door

Battery voltage

Ignition switch 
LOCK

Press the push-button ig-
nition switch

Battery voltage

48

(BR)

Ground

P/N position

Input

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

0 V

Select lever P or N (Ignition switch ON)

12 V

49

(R)

Ground

Headlamp HI (RH)

Output

Lighting 
switch 2ND or
AUTO (Light 
is illuminated)

Lighting switch other than 
HI and PASS 

0 V

• Lighting switch HI
• Lighting switch PASS

Battery voltage

Terminal NO.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

 

 

 

 

 

 

 

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