Infiniti QX56 (JA60). Manual — part 724
PCS-18
< COMPONENT DIAGNOSIS >
[IPDM E/R]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000005146511
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible link are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK BATTERY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R.
3. Check voltage between IPDM E/R harness connectors and
ground.
Is the measurement value normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between IPDM E/R harness connectors and
ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair or replace harness.
Terminal No.
Signal name
Fuses and fusible link No.
1
Battery
A, D
2
Battery
C
12
Ignition switch ON or START
59
Terminals
Ignition switch position
(+)
(
−)
OFF
ON
START
Connector
Terminal
E118 (A)
1
Ground
Battery
voltage
Battery
voltage
Battery
voltage
2
Battery
voltage
Battery
voltage
Battery
voltage
E119 (B)
12
0V
Battery
voltage
Battery
voltage
AWMIA0023ZZ
IPDM E/R
Ground
Continuity
Connector
Terminal
E122 (A)
38
Yes
E124 (B)
59
AWMIA0024ZZ
PCS
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PCS-19
< ECU DIAGNOSIS >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
ECU DIAGNOSIS
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE
ROOM)
Reference Value
INFOID:0000000005146512
VALUES ON THE DIAGNOSIS TOOL
Monitor Item
Condition
Value/Status
MOTOR FAN REQ
Engine idle speed
Changes depending on engine
coolant temperature, air conditioner
operation status, vehicle speed,
etc.
0 - 100 %
A/C COMP REQ
A/C switch OFF
OFF
A/C switch ON
ON
TAIL&CLR REQ
Lighting switch OFF
OFF
Lighting switch 1ST, 2ND, HI or AUTO (Light is illuminated)
ON
HL LO REQ
Lighting switch OFF
OFF
Lighting switch 2ND HI or AUTO (Light is illuminated)
ON
HL HI REQ
Lighting switch OFF
OFF
Lighting switch HI
ON
FR FOG REQ
Lighting switch 2ND or AUTO (Light
is illuminated)
Front fog lamp switch OFF
OFF
• Front fog lamp switch ON
• Daytime light activated (Canada
only)
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
ST RLY REQ
Ignition switch OFF or ACC
OFF
Ignition switch START
ON
IGN RLY
Ignition switch OFF or ACC
OFF
Ignition switch ON
ON
RR DEF REQ
Rear defogger switch OFF
OFF
Rear defogger switch ON
ON
OIL P SW
Ignition switch OFF, ACC or engine running
OPEN
Ignition switch ON
CLOSE
DTRL REQ
Daytime light system requested OFF with CONSULT-III.
OFF
Daytime light system requested ON with CONSULT-III.
ON
HOOD SW
Hood closed.
OFF
Hood open.
ON
PCS-20
< ECU DIAGNOSIS >
[IPDM E/R]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
THFT HRN REQ
Not operated
OFF
• Panic alarm is activated
• Horn is activated with VEHICLE SECURITY (THEFT WARNING) SYS-
TEM
ON
HORN CHIRP
Not operated
OFF
Door locking with Intelligent Key (horn chirp mode)
ON
Monitor Item
Condition
Value/Status
PCS
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PCS-21
< ECU DIAGNOSIS >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Terminal Layout
INFOID:0000000005146513
TERMINAL LAYOUT —TYPE A
WKIA5852E
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