2008 INFINITI QX56 battery volt

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Page 3338 of 4083

INFINITI QX56 2008 Factory Service Manual SN
POWER SUPPLY AND GROUND CIRCUITSN-13
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
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K L
M B A
O P
COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure Fo r Rear Sonar SystemINFOID:000000

Page 3339 of 4083

INFINITI QX56 2008 Factory Service Manual SN-14
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
Are any fuses blown?
YES >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to GI-
41, "Circ

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
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G H
I
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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 3356 of 4083

INFINITI QX56 2008 Factory Service Manual SN
SONAR CONTROL UNIT FOR FRONT AND REAR SONAR SYSTEMSN-31
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P
SONAR CONTROL UNIT FOR FR ONT AND REAR SONAR SYSTEM
Reference ValueINFOID:0000000001754073
SON

Page 3357 of 4083

INFINITI QX56 2008 Factory Service Manual SN-32
< ECU DIAGNOSIS >
SONAR CONTROL UNIT FOR FRONT AND REAR SONAR SYSTEM
16 (GR)Rear sonar sensor
signal - RH outer ON• Sonar system OFF switch ON
• Transmission gear selector lever in R po-
si

Page 3530 of 4083

INFINITI QX56 2008 Factory Service Manual STR-1
ENGINE
C
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G H
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K L
M
SECTION STR
A
STR
N
O P
CONTENTS
STARTING SYSTEM
PRECAUTION ....... ........................................2
PRECAUTIONS ............................................

STR-1
ENGINE
C
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G H
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K L
M
SECTION STR
A
STR
N
O P
CONTENTS
STARTING SYSTEM
PRECAUTION ....... ........................................2
PRECAUTIONS .............................................. .....2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
2
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
2
Precaution for Power Generation Variable Voltage
Control System ..........................................................
3
PREPARATION ............................................4
PREPARATION .............................................. .....4
Special Service Tool ........................................... ......4
Commercial Service Tool ..........................................4
BASIC INSPECTION ....................................5
DIAGNOSIS AND REPAIR WORKFLOW ..... .....5
Work Flow ........................................................... ......5
FUNCTION DIAGNOSIS ...............................8
STARTING SYSTEM ...................................... .....8
System Diagram .................................................. ......8
System Description ...................................................8
Component Parts Location ........................................8
Component Description ............................................9
COMPONENT DIAGNOSIS .........................10
B TERMINAL CIRCUIT .....................................10
Description ........................................................... ....10
Diagnosis Procedure ...............................................10
S CONNECTOR CIRCUIT .................................11
Description ...............................................................11
Diagnosis Procedure ...............................................11
STARTING SYSTEM .........................................12
Wiring Diagram .................................................... ....12
SYMPTOM DIAGNOSIS ..............................16
STARTING SYSTEM .........................................16
Symptom Table ................................................... ....16
ON-VEHICLE REPAIR .................................17
STARTER MOTOR ...........................................17
Removal and Installation ..................................... ....17
SERVICE DATA AND SPECIFICATIONS
(SDS) ............... .......................................... ...
18
STARTER MOTOR ...........................................18
Starter .................................................................. ....18
Revision: March 2010 2008 QX56

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