Nissan Murano Z50 (2003 year). Manual — part 219
LAN-1118
[CAN]
CAN SYSTEM (TYPE 32)
Revision; 2004 April
2003 Murano
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect steering angle sensor connector.
2.
Check resistance between steering angle sensor harness con-
nector M33 terminals 4 (L) and 5 (Y).
OK or NG
OK
>> Replace steering angle sensor.
NG
>> Repair harness between steering angle sensor and data
link connector.
Driver Seat Control Unit Circuit Check
AKS0078X
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check following terminals and connectors for damage, bend and loose connection (control unit side and
harness side).
●
Driver seat control unit connector
●
Harness connector B301
●
Harness connector B9
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect driver seat control unit connector.
2.
Check resistance between driver seat control unit harness con-
nector B303 terminals 3 (L/Y) and 19 (BR/W).
OK or NG
OK
>> Replace driver seat control unit.
NG
>> Repair harness between driver seat control unit and har-
ness connector B4.
AWD Control Unit Circuit Check
AKS0078Y
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check terminals and connector of AWD control unit for damage, bend and loose connection (control unit
side and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
4 (L) - 5 (Y)
: Approx. 54 - 66
Ω
PKIA0819E
3 (L/Y) - 19 (BR/W)
: Approx. 54 - 66
Ω
SKIA5024E
CAN SYSTEM (TYPE 32)
LAN-1119
[CAN]
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Revision; 2004 April
2003 Murano
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect AWD control unit connector.
2.
Check resistance between AWD control unit harness connector
E111 terminals 8 (L) and 16 (Y).
OK or NG
OK
>> Replace AWD control unit.
NG
>> Repair harness between AWD control unit and IPDM E/
R.
ABS Actuator and Electric Unit (Control Unit) Circuit Check
AKS0078Z
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check terminals and connector of ABS actuator and electric unit (control unit) for damage, bend and loose
connection (control unit side and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect ABS actuator and electric unit (control unit) connector.
2.
Check resistance between ABS actuator and electric unit (con-
trol unit) harness connector E24 terminals 11 (L) and 15 (Y).
OK or NG
OK
>> Replace ABS actuator and electric unit (control unit).
NG
>> Repair harness between ABS actuator and electric unit
(control unit) and IPDM E/R.
IPDM E/R Circuit Check
AKS00790
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check terminals and connector of IPDM E/R for damage, bend and loose connection (control module side
and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
8 (L) - 16 (Y)
: Approx. 54 - 66
Ω
SKIA5033E
11 (L) - 15 (Y)
: Approx. 54 - 66
Ω
SKIA5019E
LAN-1120
[CAN]
CAN SYSTEM (TYPE 32)
Revision; 2004 April
2003 Murano
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect IPDM E/R connector.
2.
Check resistance between IPDM E/R harness connector E9 ter-
minals 48 (L) and 49 (Y).
OK or NG
OK
>> Replace IPDM E/R.
NG
>> Repair harness between IPDM E/R and ABS actuator
and electric unit (control unit).
CAN Communication Circuit Check
AKS00791
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check following terminals and connectors for damage, bend and loose connection (control module side,
control unit side, meter side, sensor side and harness side).
●
ECM
●
TCM
●
Low tire pressure warning control unit
●
Display control unit
●
BCM
●
Unified meter and A/C amp.
●
Steering angle sensor
●
Driver seat control unit
●
AWD control unit
●
ABS actuator and electric unit (control unit)
●
IPDM E/R
●
Between ECM and IPDM E/R
●
Between ECM and TCM
●
Between ECM and driver seat control unit
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
48 (L) - 49 (Y)
: Approx. 108 - 132
Ω
LKIA0030E
CAN SYSTEM (TYPE 32)
LAN-1121
[CAN]
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Revision; 2004 April
2003 Murano
2.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect following connectors.
–
ECM connector
–
Low tire pressure warning control unit connector
–
Harness connector M82
–
Display control unit connector
–
BCM connector
–
Unified meter and A/C amp. connector
–
Steering angle sensor connector
–
Harness connector M9
2.
Check continuity between data link connector M24 terminals 6
(L) and 14 (Y).
OK or NG
OK
>> GO TO 3.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between data link connector and ECM.
●
Harness between data link connector and low tire
pressure warning control unit.
●
Harness between data link connector and harness connector M82.
●
Harness between data link connector and display control unit.
●
Harness between data link connector and BCM.
●
Harness between data link connector and unified meter and A/C amp.
●
Harness between data link connector and steering angle sensor.
●
Harness between data link connector and harness connector M9.
3.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector M24 terminals 6 (L),
14 (Y) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between data link connector and ECM.
●
Harness between data link connector and low tire
pressure warning control unit.
●
Harness between data link connector and harness connector M82.
●
Harness between data link connector and display control unit.
●
Harness between data link connector and BCM.
●
Harness between data link connector and unified meter and A/C amp.
●
Harness between data link connector and steering angle sensor.
●
Harness between data link connector and harness connector M9.
6 (L) - 14 (Y)
: Continuity should not exist.
PKIA2077E
6 (L) - Ground
: Continuity should not exist.
14 (Y) - Ground
: Continuity should not exist.
PKIA2079E
LAN-1122
[CAN]
CAN SYSTEM (TYPE 32)
Revision; 2004 April
2003 Murano
4.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect TCM connector.
2.
Check continuity between TCM harness connector F103 termi-
nals 5 (L) and 6 (Y).
OK or NG
OK
>> GO TO 5.
NG
>> Repair harness between TCM and harness connector
F102.
5.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between TCM harness connector F103 terminals 5
(L), 6 (Y) and ground.
OK or NG
OK
>> GO TO 6.
NG
>> Repair harness between TCM and harness connector
F102.
6.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect harness connector B4 and harness connector B9.
2.
Check continuity between harness connector B4 terminals 3 (L)
and 10 (Y).
OK or NG
OK
>> GO TO 7.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Repair harness between harness connector B4 and
harness connector B2.
●
Repair harness between harness connector B4 and
harness connector B9.
5 (L) - 6 (Y)
: Continuity should not exist.
PKIA0817E
5 (L) - Ground
: Continuity should not exist.
6 (Y) - Ground
: Continuity should not exist.
SKIA5020E
3 (L) - 10 (Y)
: Continuity should not exist.
SKIA5021E
CAN SYSTEM (TYPE 32)
LAN-1123
[CAN]
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Revision; 2004 April
2003 Murano
7.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between harness connector B4 terminals 3 (L), 10
(Y) and ground.
OK or NG
OK
>> GO TO 8.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Repair harness between harness connector B4 and
harness connector B2.
●
Repair harness between harness connector B4 and harness connector B9.
8.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect driver seat control unit connector.
2.
Check continuity between driver seat control unit harness con-
nector B303 terminals 3 (L/Y) and 19 (BR/W).
OK or NG
OK
>> GO TO 9.
NG
>> Repair harness between driver seat control unit and har-
ness connector B301.
9.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between driver seat control unit harness connector
B303 terminals 3 (L/Y), 19 (BR/W) and ground.
OK or NG
OK
>> GO TO 10.
NG
>> Repair harness between driver seat control unit and har-
ness connector B301.
3 (L) - Ground
: Continuity should not exist.
10 (Y) - Ground
: Continuity should not exist.
SKIA5022E
3 (L/Y) - 19 (BR/W)
: Continuity should not exist.
SKIA5024E
3 (L/Y) - Ground
: Continuity should not exist.
19 (BR/W) - Ground
: Continuity should not exist.
SKIA5025E
LAN-1124
[CAN]
CAN SYSTEM (TYPE 32)
Revision; 2004 April
2003 Murano
10.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect AWD control unit connector, ABS actuator and electric unit (control unit) connector and IPDM
E/R connector.
2.
Check continuity between IPDM E/R harness connector E9 ter-
minals 48 (L) and 49 (Y).
OK or NG
OK
>> GO TO 11.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between IPDM E/R and AWD control unit.
●
Harness between IPDM E/R and ABS actuator and
electric unit (control unit).
●
Harness between IPDM E/R and harness connector E105.
11.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between IPDM E/R harness connector E9 termi-
nals 48 (L), 49 (Y) and ground.
OK or NG
OK
>> GO TO 12.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between IPDM E/R and AWD control unit.
●
Harness between IPDM E/R and ABS actuator and
electric unit (control unit).
●
Harness between IPDM E/R and harness connector E105.
12.
ECM/IPDM E/R INTERNAL CIRCUIT INSPECTION
Check components inspection. Refer to
LAN-1125, "ECM/IPDM E/R INTERNAL CIRCUIT INSPECTION"
.
OK or NG
OK
>> Connect all the connectors and diagnose again. Refer to
.
NG
>> Replace ECM and/or IPDM E/R.
IPDM E/R Ignition Relay Circuit Check
AKS00792
Check the following. If no malfunction is found, replace the IPDM E/R.
●
IPDM E/R power supply circuit. Refer to
PG-45, "IPDM E/R Power/Ground Circuit Inspection"
.
●
Ignition power supply circuit. Refer to
PG-10, "IGNITION POWER SUPPLY - IGNITION SW. IN “ON”
48 (L) - 49 (Y)
: Continuity should not exist.
LKIA0030E
48 (L) - Ground
: Continuity should not exist.
49 (Y) - Ground
: Continuity should not exist.
LKIA0036E
CAN SYSTEM (TYPE 32)
LAN-1125
[CAN]
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Revision; 2004 April
2003 Murano
Component Inspection
AKS00793
ECM/IPDM E/R INTERNAL CIRCUIT INSPECTION
●
Remove ECM and IPDM E/R from vehicle.
●
Check resistance between ECM terminals 94 and 86.
●
Check resistance between IPDM E/R terminals 48 and 49.
Unit
Terminal
Resistance value (
Ω
)
(Approx.)
ECM
94 - 86
108 - 132
IPDM E/R
48 - 49
LKIA0037E
LAN-1126
[CAN]
CAN SYSTEM (TYPE 32)
Revision; 2004 April
2003 Murano
LT-1
LIGHTING SYSTEM
K ELECTRICAL
CONTENTS
C
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SECTION
LT
A
B
LT
Revision; 2004 April
2003 Murano
LIGHTING SYSTEM
PRECAUTIONS . . . . . . . . . . . . . . .. 6
HEADLAMP - XENON TYPE - . . . . . . . . ... 8
Component Parts and Harness Connector Location
System Description . . . . . . . . . . . . .. 8
OUTLINE . . . . . . . . . . . . . . . ... 8
COMBINATION SWITCH READING FUNCTION
EXTERIOR LAMP BATTERY SAVER CONTROL
CAN Communication System Description . . . ...11
CAN Communication Unit For 2WD Models . . ...11
CAN Communication Unit For AWD Models . . .. 22
CHECK POWER SUPPLY AND GROUND CIR-
CUIT . . . . . . . . . . . . . . . . . 39
CONSULT-II Function . . . . . . . . . . . 40
Headlamp Does Not Change To High Beam (Both
Bulb Replacement . . . . . . . . . . . . .. 54
Removal and Installation . . . . . . . . . . 55
REMOVAL . . . . . . . . . . . . . . ... 55
INSTALLATION . . . . . . . . . . . . ... 55
Disassembly and Assembly . . . . . . . . . 56
DISASSEMBLY . . . . . . . . . . . . ... 56
ASSEMBLY . . . . . . . . . . . . . . . 57
HEADLAMP -CONVENTIONAL TYPE- . . . . . 58
Component Parts and Harness Connector Location
LT-2
Revision; 2004 April
2003 Murano
CAN Communication Unit For 2WD Models . . ... 60
CAN Communication Unit For AWD Models . . .. 71
CHECK POWER SUPPLY AND GROUND CIR-
CUIT . . . . . . . . . . . . . . . . . 88
CONSULT-II Function . . . . . . . . . . . . 89
Bulb Replacement . . . . . . . . . . . . 100
Removal and Installation . . . . . . . . . .. 101
REMOVAL . . . . . . . . . . . . . . . 101
INSTALLATION . . . . . . . . . . . . .. 101
Disassembly and Assembly . . . . . . . . .. 102
DISASSEMBLY . . . . . . . . . . . . . 102
ASSEMBLY . . . . . . . . . . . . . ... 102
DAYTIME LIGHT SYSTEM . . . . . . . . . . 103
Component Parts and Harness Connector Location .103
System Description . . . . . . . . . . . ... 103
CAN Communication System Description . . . 105
CAN Communication Unit For 2WD Models . . .105
CAN Communication Unit For AWD Models . . . 116
CONSULT-II Function . . . . . . . . . . ...134
AUTO LIGHT SYSTEM . . . . . . . . . . ...140
Component Parts and Harness Connector Location .140
System Description . . . . . . . . . . . ...140
CAN Communication System Description . . . 141
CAN Communication Unit For 2WD Models . . .141
LT-3
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Revision; 2004 April
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CONSULT-II Function . . . . . . . . . . .. 172
HEADLAMP AIMING CONTROL . . . . . . ... 178
FRONT FOG LAMP . . . . . . . . . . . . 181
System Description . . . . . . . . . . . .. 181
EXTERIOR LAMP BATTERY SAVER CONTROL
CAN Communication System Description . . . 182
CAN Communication Unit For 2WD Models . . 182
CAN Communication Unit For AWD Models . . 193
INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT . . . . . . . . . . ... 207
CONSULT-II Function . . . . . . . . . . .. 207
Front Fog Lamps Does Not Illuminate (Both Sides)
REMOVAL . . . . . . . . . . . . . . . 212
INSTALLATION . . . . . . . . . . . . . 212
TURN SIGNAL AND HAZARD WARNING LAMPS
System Description . . . . . . . . . . . .. 213
CAN Communication System Description . . . 215
CAN Communication Unit For 2WD Models . . 215
TYPE 1/TYPE 2/TYPE 3/TYPE 4/TYPE 5/TYPE
6/TYPE 7/TYPE 8 . . . . . . . . . . . . 216
TYPE 9/TYPE10/TYPE 11/TYPE 12/TYPE 13/
TYPE 14/TYPE 15/TYPE 16 . . . . . . . . 221
CAN Communication Unit For AWD Models . . 226
INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT . . . . . . . . . . ... 242
CONSULT-II Function . . . . . . . . . . ... 243
LIGHTING AND TURN SIGNAL SWITCH . . . .. 249
Removal and Installation . . . . . . . . . .. 249
REMOVAL . . . . . . . . . . . . . . . 249
INSTALLATION . . . . . . . . . . . . . 249
HAZARD SWITCH . . . . . . . . . . . . .. 250
Removal and Installation . . . . . . . . . .. 250
REMOVAL . . . . . . . . . . . . . . . 250
INSTALLATION . . . . . . . . . . . . . 250
COMBINATION SWITCH . . . . . . . . . . 251
Combination Switch Reading Function . . . . . 251
CONSULT-II Function . . . . . . . . . . ... 253
CONSULT-II BASIC OPERATION . . . . . . 253
DATA MONITOR . . . . . . . . . . . ... 254
STOP LAMP . . . . . . . . . . . . . . . 265
Wiring Diagram — STOP/L — . . . . . . . .. 265
High-Mounted Stop Lamp . . . . . . . . . . 266
BULB REPLACEMENT, REMOVAL AND
INSTALLATION . . . . . . . . . . . . . 266
Stop Lamp . . . . . . . . . . . . . . . 266
BULB REPLACEMENT . . . . . . . . . . 266
REMOVAL AND INSTALLATION . . . . . .. 266
STEP LAMP . . . . . . . . . . . . . . . 267
Bulb Replacement . . . . . . . . . . . . 267
Removal and Installation . . . . . . . . . .. 267
REMOVAL . . . . . . . . . . . . . . . 267
INSTALLATION . . . . . . . . . . . . . 267
LT-4
Revision; 2004 April
2003 Murano
REMOVAL . . . . . . . . . . . . . . . 269
INSTALLATION . . . . . . . . . . . . .. 269
PARKING, LICENSE PLATE AND TAIL LAMPS . 270
System Description . . . . . . . . . . . ... 270
CAN Communication System Description . . . 271
CAN Communication Unit For 2WD Models . . . 271
CAN Communication Unit For AWD Models . . 282
INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT . . . . . . . . . . ... 298
Removal and Installation . . . . . . . . . .. 303
REAR COMBINATION LAMP . . . . . . . . . 304
Bulb Replacement . . . . . . . . . . . . 304
STOP & TAIL LAMP BULB, REAR SIDE MARKER
LAMP BULB, REAR TURN SIGNAL LAMP BULB .304
Removal and Installation . . . . . . . . . .. 304
REMOVAL . . . . . . . . . . . . . . . 304
INSTALLATION . . . . . . . . . . . . .. 304
VANITY MIRROR LAMP . . . . . . . . . . . 305
Bulb Replacement . . . . . . . . . . . . 305
MAP LAMP . . . . . . . . . . . . . . . .. 306
Bulb Replacement . . . . . . . . . . . . .306
Removal and Installation . . . . . . . . . ...306
REMOVAL . . . . . . . . . . . . . . ..306
INSTALLATION . . . . . . . . . . . . ..306
PERSONAL LAMP . . . . . . . . . . . . ..307
Bulb Replacement, Removal and Installation . ...307
LUGGAGE ROOM LAMP . . . . . . . . . ...308
Bulb Replacement, Removal and Installation . ...308
INTERIOR ROOM LAMP . . . . . . . . . . 309
System Description . . . . . . . . . . . ...309
INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT . . . . . . . . . . ...321
CONSULT-II Function . . . . . . . . . . ...322
Removal and Installation . . . . . . . . . ...331
ILLUMINATION . . . . . . . . . . . . . . 332
System Description . . . . . . . . . . . ...332
CAN Communication System Description . . . 334
CAN Communication Unit For 2WD Models . . .334
LT-5
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Revision; 2004 April
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LT-6
PRECAUTIONS
Revision; 2004 April
2003 Murano
PRECAUTIONS
PFP:00011
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
AKS004I3
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:
●
To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.
●
Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
●
Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
General precautions for service operations
AKS004I5
●
Never work with wet hands.
●
Xenon headlamp includes high voltage generating part. Be sure
to disconnect battery negative cable (negative terminal) or
power fuse before removing, installing, or touching the xenon
headlamp (including lamp bulb).
●
Turn the lighting switch OFF before disconnecting and connect-
ing the connector.
●
When turning the xenon headlamp on and while it is illuminated,
never touch the harness, bulb, and socket of the headlamp.
●
When checking the headlamp on/off operation, check it on vehi-
cle and with the power connected to the vehicle-side connector.
●
Do not touch the headlamp bulb glass surface with bare hands or allow oil or grease to get on it. Do not
touch the headlamp bulb just after the headlamp is turned off, because it is very hot.
●
Install the xenon headlamp bulb socket correctly. If it is installed
improperly, high-voltage leak or corona discharge may occur
that can melt the bulb, connector, and housing. Do not illuminate
the xenon headlamp bulb out of the headlamp housing. Doing
so can cause fire and harm your eyes.
●
When the bulb has burned out, wrap it in a thick vinyl bag and
discard. Do not break the bulb.
●
Leaving the bulb removed from the headlamp housing for a long
period of time can deteriorate the performance of the lens and
reflector (dirt, clouding). Always prepare a new bulb and have it
on hand when replacing the bulb.
●
When adjusting the headlamp aiming, turn the aiming adjust-
ment screw only in the tightening direction. (If it is necessary to loosen the screw, first fully loosen the
screw, and then turn it in the tightening direction.)
●
Do not use organic solvent (paint thinner or gasoline) to clean lamps and to remove old sealant.
PKIA0183E
EL-3422D
PRECAUTIONS
LT-7
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Revision; 2004 April
2003 Murano
Wiring Diagrams and Trouble Diagnosis
AKS004I6
When you read wiring diagrams, refer to the following:
●
Refer to
GI-14, "How to Read Wiring Diagrams"
in GI section.
●
Refer to
PG-3, "POWER SUPPLY ROUTING CIRCUIT"
for power distribution in PG section.
When you perform trouble diagnosis, refer to the following:
●
Refer to
GI-10, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES"
in GI section.
●
Refer to
GI-26, "How to Perform Efficient Diagnosis for an Electrical Incident"
in GI section.
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