2008 INFINITI QX56 Factory Service Manual

Page 3345 of 4083

INFINITI QX56 2008  Factory Service Manual SN-20
< COMPONENT DIAGNOSIS >
SONAR SYSTEM OFF SWITCH CIRCUIT INSPECTION
3. Check continuity between sonar control unit harness connector(A) and sonar system OFF switch harness connector (B).
4. Check

Page 3346 of 4083

INFINITI QX56 2008  Factory Service Manual SN
SONAR CONTROL UNIT FOR REAR SONAR SYSTEMSN-21
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
ECU DIAGNOSIS
SONAR CONTROL UNIT FO R REAR SONAR SYSTEM
Reference ValueINFOID:0000000001754070
SONAR CON

Page 3347 of 4083

INFINITI QX56 2008  Factory Service Manual SN-22
< ECU DIAGNOSIS >
SONAR CONTROL UNIT FOR REAR SONAR SYSTEM
15 (Y)Rear sonar sensor 
ground
ON
— 0
16 (LG/B) Rear sonar sensor 
power ON Ignition switch ON
Battery voltage
Te r m i n a l
(wire

Page 3348 of 4083

INFINITI QX56 2008  Factory Service Manual SN
SONAR CONTROL UNIT FOR REAR SONAR SYSTEMSN-23
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
Wiring DiagramINFOID:0000000001754071
ALNWA0049GB
Revision: March 2010 2008 QX56

Page 3349 of 4083

INFINITI QX56 2008  Factory Service Manual SN-24
< ECU DIAGNOSIS >
SONAR CONTROL UNIT FOR REAR SONAR SYSTEM
AWNIA0298GB
Revision: March 2010 2008 QX56

Page 3350 of 4083

INFINITI QX56 2008  Factory Service Manual SN
SONAR CONTROL UNIT FOR REAR SONAR SYSTEMSN-25
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
ALNIA0196GB
Revision: March 2010 2008 QX56

Page 3351 of 4083

INFINITI QX56 2008  Factory Service Manual SN-26
< ECU DIAGNOSIS >
SONAR CONTROL UNIT FOR REAR SONAR SYSTEM
ALNIA0197GB
Revision: March 2010 2008 QX56

Page 3352 of 4083

INFINITI QX56 2008  Factory Service Manual SN
SONAR CONTROL UNIT FOR REAR SONAR SYSTEMSN-27
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
ALNIA0198GB
Revision: March 2010 2008 QX56