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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