2010 INFINITI QX56 Factory Service Manual

Page 2881 of 4210

INFINITI QX56 2010  Factory Service Manual PCS-6
< FUNCTION DIAGNOSIS >[IPDM E/R]
RELAY CONTROL SYSTEM
System Description
INFOID:0000000005146497
IPDM E/R activates the internal cont rol circuit to perform the relay ON-OFF control according to

Page 2882 of 4210

INFINITI QX56 2010  Factory Service Manual PCS
RELAY CONTROL SYSTEMPCS-7
< FUNCTION DIAGNOSIS > [IPDM E/R]
C
D
E
F
G H
I
J
K L
B A
O P
N
Component Parts LocationINFOID:0000000005146498
1. IPDM E/R E118, E119, E120, E121, 
E122, E123, E124
ALMI

Page 2883 of 4210

INFINITI QX56 2010  Factory Service Manual PCS-8
< FUNCTION DIAGNOSIS >[IPDM E/R]
POWER CONTROL SYSTEM
POWER CONTROL SYSTEM
System DiagramINFOID:0000000005146499
System DescriptionINFOID:0000000005146500
COOLING FAN CONTROL
IPDM E/R controls t

Page 2884 of 4210

INFINITI QX56 2010  Factory Service Manual PCS
SIGNAL BUFFER SYSTEMPCS-9
< FUNCTION DIAGNOSIS > [IPDM E/R]
C
D
E
F
G H
I
J
K L
B A
O P
N
SIGNAL BUFFER SYSTEM
System DiagramINFOID:0000000005146501
System DescriptionINFOID:0000000005146502
IPDM

Page 2885 of 4210

INFINITI QX56 2010  Factory Service Manual PCS-10
< FUNCTION DIAGNOSIS >[IPDM E/R]
POWER CONSUMPTION CONTROL SYSTEM
POWER CONSUMPTIO
N CONTROL SYSTEM
System DiagramINFOID:0000000005146503
System DescriptionINFOID:0000000005146504
OUTLINE
• I

Page 2886 of 4210

INFINITI QX56 2010  Factory Service Manual PCS
POWER CONSUMPTION CONTROL SYSTEMPCS-11
< FUNCTION DIAGNOSIS > [IPDM E/R]
C
D
E
F
G H
I
J
K L
B A
O P
N
Component Parts LocationINFOID:0000000005146505
1. IPDM E/R E118, E119, E120, E121, 
E122, E1

Page 2887 of 4210

INFINITI QX56 2010  Factory Service Manual PCS-12
< FUNCTION DIAGNOSIS >[IPDM E/R]
DIAGNOSIS SYSTEM (IPDM E/R)
DIAGNOSIS SYSTEM (IPDM E/R)
Diagnosis DescriptionINFOID:0000000005146506
AUTO ACTIVE TEST
Description
In auto active test mode, the

Page 2888 of 4210

INFINITI QX56 2010  Factory Service Manual PCS
DIAGNOSIS SYSTEM (IPDM E/R)PCS-13
< FUNCTION DIAGNOSIS > [IPDM E/R]
C
D
E
F
G H
I
J
K L
B A
O P
N
Concept of auto active test
• IPDM E/R starts the auto active test with the door 
switch signals