diagram INFINITI QX56 2011 Factory Service Manual
[x] Cancel search | Manufacturer: INFINITI, Model Year: 2011, Model line: QX56, Model: INFINITI QX56 2011Pages: 5598, PDF Size: 94.53 MB
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![INFINITI QX56 2011 Factory Service Manual
A/T SHIFT LOCK SYSTEMTM-87
< WIRING DIAGRAM > [7AT: RE7R01B]
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JCDWM1068GB
Revision: 2010 May2011 QX56](/img/42/57033/w960_57033-5174.png "INFINITI QX56 2011 Factory Service Manual
A/T SHIFT LOCK SYSTEMTM-87
< WIRING DIAGRAM > [7AT: RE7R01B]
C
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G H
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M A
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JCDWM1068GB
Revision: 2010 May2011 QX56")
A/T SHIFT LOCK SYSTEMTM-87
< WIRING DIAGRAM > [7AT: RE7R01B]
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Revision: 2010 May2011 QX56
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![INFINITI QX56 2011 Factory Service Manual
TM-104
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
P0615 STARTER RELAY
P0615 STARTER RELAY
DescriptionINFOID:0000000006226801
TCM prohibits cranking other than at “P” or “N” position.
DTC LogicIN](/img/42/57033/w960_57033-5191.png "INFINITI QX56 2011 Factory Service Manual
TM-104
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
P0615 STARTER RELAY
P0615 STARTER RELAY
DescriptionINFOID:0000000006226801
TCM prohibits cranking other than at “P” or “N” position.
DTC LogicIN")
TM-104
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
P0615 STARTER RELAY
P0615 STARTER RELAY
DescriptionINFOID:0000000006226801
TCM prohibits cranking other than at “P” or “N” position.
DTC LogicINFOID:0000000006226802
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” is previously c onducted, always turn ignition switch OFF and wait at
least 10 seconds before performing the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
With CONSULT-III
1. Shift the selector lever to “P” and “N” positions.
2. Turn ignition switch ON and wait 2 seconds or more.
3. Perform “Self Diagnostic Results” in “TRANSMISSION”.
Is
“P0615” detected?
YES >> Go to TM-104, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006226803
1.CHECK STARTER RELAY SIGNAL
1. Turn ignition switch ON.
2. Check voltage between IPDM E/R connector terminal and ground.
Is the inspection result normal?
YES >> Check starter relay circuit. Refer to STR-7, "Wiring Diagram".
NO >> GO TO 2.
2. CHECK HARNESS BETWEEN A/T ASSEMBLY AND IPDM E/R (PART 1)
1. Turn ignition switch OFF.
2. Disconnect A/T assembly c onnector and IPDM E/R connector.
3. Check the continuity between A/T assembly vehi cle side harness connector terminal and IPDM E/R vehi-
cle side harness connector terminal.
DTC Trouble diagnosis name DTC is detected if... Possible cause
P0615 Starter Relay Circuit The starter monitor value is
OFF when the ignition switch is
ON at the “P” and “N” positions. Harness or connectors
(Starter relay and TCM circuit
is open or shorted.)
Starter relay circuit
IPDM E/R connector
GroundCondition Voltage (Approx.)
Connector Terminal
E15 48 Selector lever in “P” and
“N” positions.
Battery voltage
Selector lever in other
positions. 0 V
Revision: 2010 May2011 QX56
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![INFINITI QX56 2011 Factory Service Manual
TM-152
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
MAIN POWER SUPPLY AND GROUND CIRCUIT
YES >> GO TO 5.
NO >> Repair or replace damaged parts.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-40, "
Intermitten](/img/42/57033/w960_57033-5239.png "INFINITI QX56 2011 Factory Service Manual
TM-152
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
MAIN POWER SUPPLY AND GROUND CIRCUIT
YES >> GO TO 5.
NO >> Repair or replace damaged parts.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-40, \"
Intermitten")
TM-152
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
MAIN POWER SUPPLY AND GROUND CIRCUIT
YES >> GO TO 5.
NO >> Repair or replace damaged parts.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-40, "
Intermittent Incident".
Is the inspection result normal?
YES >> Replace the control valve & TCM. Refer to TM-182, "Exploded View".
NO >> Repair or replace damaged parts.
6.DETECT MALFUNCTIONING ITEM (PART 1)
Check the following.
Harness for short or open between battery positive term inal and A/T assembly vehicle side harness connec-
tor terminal 2. Refer to PG-11, "
Wiring Diagram - BATTERY POWER SUPPLY -".
Battery
10A fuse (No.38, located in the fuse, fusible link and relay box). Refer to PG-141, "
Fuse and Fusible Link
Arrangement".
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
NO >> Repair or replace damaged parts.
7.CHECK HARNESS BETWEEN IPDM E/ R AND A/T ASSEMBLY (PART 1)
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R vehicle side harness connector terminal and A/T assembly vehicle
side harness connector terminals.
Is the inspection result normal?
YES >> GO TO 8.
NO >> Repair or replace damaged parts.
8.CHECK HARNESS BETWEEN IPDM E/ R AND A/T ASSEMBLY (PART 2)
Check continuity between A/T assembly vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair or replace damaged parts.
9.DETECT MALFUNCTIONING ITEM (PART 2)
Check the following.
Harness for short or open between ignition switch and IPDM E/R. Refer to PG-89, "
Wiring Diagram - IGNI-
TION POWER SUPPLY -".
Ignition switch
10A fuse (No.55, located in the IPDM E/R). Refer to PG-143, "
Fuse, Connector and Terminal Arrangement".
IPDM E/R
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
NO >> Repair or replace damaged parts.
IPDM E/R vehicle side harness connector A/T assembly vehicle side harness connector Continuity
Connector Terminal Connector Terminal
E15 57 F51 1
Existed
6
A/T assembly vehicle side harness connector
GroundContinuity
Connector Terminal
F51 1
Not existed
6
Revision: 2010 May2011 QX56
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![INFINITI QX56 2011 Factory Service Manual
TM-156
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
SHIFT POSITION INDICATOR CIRCUIT
SHIFT POSITION INDICATOR CIRCUIT
DescriptionINFOID:0000000006226879
TCM transmits a shift position signal to the combin](/img/42/57033/w960_57033-5243.png "INFINITI QX56 2011 Factory Service Manual
TM-156
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
SHIFT POSITION INDICATOR CIRCUIT
SHIFT POSITION INDICATOR CIRCUIT
DescriptionINFOID:0000000006226879
TCM transmits a shift position signal to the combin")
TM-156
< DTC/CIRCUIT DIAGNOSIS >[7AT: RE7R01B]
SHIFT POSITION INDICATOR CIRCUIT
SHIFT POSITION INDICATOR CIRCUIT
DescriptionINFOID:0000000006226879
TCM transmits a shift position signal to the combination meter via CAN communication line. While the vehicle
is running, the combination meter displays a shift position in the information display, according to this signal.
Refer to
MWI-9, "
METER SYSTEM : System Diagram".
Component Function CheckINFOID:0000000006226880
1.CHECK A/T INDICATOR
CAUTION:
Always drive vehicle at a safe speed.
1. Start the engine.
2. Check the actual selector lever position (“P”, “R”, “N” and “D”) and the indication of the shift position indi-
cator mutually coincide.
3. Drive vehicle in the manual mode, and then check that the actual gear position and the indication of the
shift position indicator mutually coincide when the sele ctor lever is shifted to “UP (+ side)” or “DOWN (−
side)” side (1GR ⇔ 7GR).
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to TM-156, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006226881
1.CHECK INPUT SIGNALS
With CONSULT-III
1. Start the engine.
2. Select “SLCT LVR POSI” in “Data Monitor” in “TRANSMISSION”.
3. Check the actual selector lever position (“P”, “R”, “N” and “D”) and the indication of the “SLCT LVR POSI”
mutually coincide. Refer to TM-68, "
Reference Value".
4. Drive vehicle in the manual mode, and then check that the actual gear position and the indication of the
“SLCT LVR POSI” mutually coincide when the selector lever is shifted to the “UP (+ side)” or “DOWN (−
side)” side (1GR ⇔ 7GR). Refer to TM-68, "
Reference Value".
Is the inspection result normal?
YES >> INSPECTION END
NO-1 [The actual gear position does not change, or sh ifting into the manual mode is not possible (no gear
shifting in the manual mode possible). Or the shift position indicator is not indicated.]>>Check manual
mode switch. Refer to TM-146, "
Component Inspection (Manual Mode Switch)".
Check A/T main system (Fai l-safe function actuated).
- Perform “Self Diagnostic Results” in “TRANSMISSION”. Refer to TM-78, "
DTC Index".
NO-2 (The actual gear position changes, but the shift pos ition indicator is not indicated.)>>Perform “Self
Diagnostic Results” in “TRANSMISSION”. Refer to TM-78, "
DTC Index".
NO-3 (The actual gear position and the indication on t he shift position indicator do not coincide.)>>Perform
“Self Diagnostic Results” in “TRANSMISSION”. Refer to TM-78, "
DTC Index".
NO-4 (Only a specific position or positions is/are not indicated on the shift position indicator.)>>Check the
combination meter. Refer to MWI-35, "
Reference Value".
Revision: 2010 May2011 QX56
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![INFINITI QX56 2011 Factory Service Manual
SHIFT LOCK SYSTEMTM-157
< DTC/CIRCUIT DIAGNOSIS > [7AT: RE7R01B]
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SHIFT LOCK SYSTEM
Component Function CheckINFOID:0000000006226882
1.CHECK A/T SHIFT LOCK OPERATION (PA](/img/42/57033/w960_57033-5244.png "INFINITI QX56 2011 Factory Service Manual
SHIFT LOCK SYSTEMTM-157
< DTC/CIRCUIT DIAGNOSIS > [7AT: RE7R01B]
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SHIFT LOCK SYSTEM
Component Function CheckINFOID:0000000006226882
1.CHECK A/T SHIFT LOCK OPERATION (PA")
SHIFT LOCK SYSTEMTM-157
< DTC/CIRCUIT DIAGNOSIS > [7AT: RE7R01B]
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SHIFT LOCK SYSTEM
Component Function CheckINFOID:0000000006226882
1.CHECK A/T SHIFT LOCK OPERATION (PART 1)
1. Turn ignition switch ON.
2. Shift the selector lever to “P” position.
3. Attempt to shift the selector lever to any other position with the brake pedal released.
Can the selector lever be shifted to any other position?
YES >> Go to TM-157, "Diagnosis Procedure".
NO >> GO TO 2.
2.CHECK A/T SHIFT LOCK OPERATION (PART 2)
Attempt to shift the selector lever to any other position with the brake pedal depressed.
Can the selector lever be shifted to any other position?
YES >> INSPECTION END
NO >> Go to TM-157, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006226883
1. CHECK POWER SOURCE
1. Turn ignition switch OFF.
2. Disconnect fuse block (J/B) connector.
3. Turn ignition switch ON.
4. Check voltage between fuse block (J/B) connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Check the following. 10A fuse [No. 3, located in fuse block (J/B)]. Refer to PG-140, "
Fuse, Connector and Terminal
Arrangement".
Harness for short or open between ignition switch and fuse block (J/B). Refer to PG-89, "
Wiring
Diagram - IGNITION POWER SUPPLY -".
Ignition switch
2.CHECK HARNESS BETWEEN FUSE BLOCK (J/B ) AND STOP LAMP SWITCH (PART 1)
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch connector.
3. Check continuity between fuse block (J/B) vehicl e side harness connector terminal and stop lamp switch
vehicle side harness connector terminal.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace damaged parts.
3.CHECK HARNESS BETWEEN FUSE BLOCK (J/B ) AND STOP LAMP SWITCH (PART 2)
Check continuity between stop lamp switch vehicle side harness connector terminal and ground.
Fuse block (J/B) connector
GroundVoltage (Approx.)
Connector Terminal
E103 4F Battery voltage
Fuse block (J/B) vehicle side harness connector Stop lamp switch vehicle side harness connector Continuity
Connector Terminal Connector Terminal
E103 4F E115 3 Existed
Revision: 2010 May2011 QX56
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![INFINITI QX56 2011 Factory Service Manual
SELECTOR LEVER POSITION INDICATORTM-163
< DTC/CIRCUIT DIAGNOSIS > [7AT: RE7R01B]
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YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
NO >> Re](/img/42/57033/w960_57033-5250.png "INFINITI QX56 2011 Factory Service Manual
SELECTOR LEVER POSITION INDICATORTM-163
< DTC/CIRCUIT DIAGNOSIS > [7AT: RE7R01B]
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YES >> Check intermittent incident. Refer to GI-40, \"Intermittent Incident\".
NO >> Re")
SELECTOR LEVER POSITION INDICATORTM-163
< DTC/CIRCUIT DIAGNOSIS > [7AT: RE7R01B]
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YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
NO >> Repair or replace damaged parts.
9.CHECK POWER SOURCE (PART 2)
1. Turn ignition switch OFF.
2. Disconnect A/T shift selector connector.
3. Turn ignition switch ON.
4. Check voltage between A/T shift selector vehicle side harness connector terminals.
Is the inspection result normal?
YES >> GO TO 10.
NO >> Check illumination circuit. Refer to INL-34, "
Wiring Diagram".
10.CHECK SHIFT POSITION SWITCH (PART 2)
1. Disconnect shift position switch connector.
2. Check continuity between A/T shift selector connec tor terminals and shift position switch connector termi-
nals.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace damaged parts.
Component Inspection (Selecto r Lever Position Indicator)INFOID:0000000006226889
1.CHECK SELECTOR LEVER POSITION INDICATOR
Check that selector lever position indicator lamps turn on.
CAUTION:
Connect the fuse between the termina ls when applying the voltage.
A/T shift selector vehicle side harness connector
Condition Voltage (Approx.)
Connector Te r m i n a l
+ −
M57 9 10 Lighting switch 1ST Battery voltage
A/T shift selector connector Shift position switch connector Continuity
Connector Terminal Connector Terminal
M57 9
M281 9Existed
1, 2, 3, 4, 5, 8, 10, 12 Not existed
10 8Existed
1, 2, 3, 4, 5, 9, 10, 12 Not existed
Shift position switch harness connector Condition Status
Te r m i n a l
+ (fuse) −
110 Apply 12 V direct current between
terminals 1 and 10.
“M” mode indicato
r lamp turns on.
2
12Apply 12 V direct current between
terminals 2 and 12.
“P” position indicator lamp turns on.
3 Apply 12 V direct current between
terminals 3 and 12. “R” position indica
tor lamp turns on.
4 Apply 12 V direct current between
terminals 4 and 12.
“D” position indica
tor lamp turns on.
5 Apply 12 V direct current between
terminals 5 and 12. “N” position indica
tor lamp turns on.
98 Apply 12 V direct current between
terminals 9 and 8. Illumination lamp turns on.
Revision: 2010 May2011 QX56
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WCS
WCS-1
DRIVER INFORMATION & MULTIMEDIA
C
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SECTION WCS
A
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CONTENTS
WARNING CHIME SYSTEM
PRECAUTION ................ ...............................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
SYSTEM DESCRIPTION ..............................4
COMPONENT PARTS ................................... .....4
Component Parts Location .................................. ......4
Component Description .............................................4
Combination Meter ....................................................5
SYSTEM ..............................................................6
WARNING CHIME SYSTEM .......................................6
WARNING CHIME SYSTEM : System Diagram . ......6
WARNING CHIME SYSTEM : System Description
......
6
WARNING CHIME SYSTEM : Fail-Safe ...................7
LIGHT REMINDER WARNING CHIME ................. ......8
LIGHT REMINDER WARNING CHIME : System
Diagram .....................................................................
8
LIGHT REMINDER WARNING CHIME : System
Description ................................................................
8
FRONT FOG LIGHT REMINDER WARNING
CHIME .................................................................... ......
9
FRONT FOG LIGHT REMINDER WARNING
CHIME : System Diagram .......................................
10
FRONT FOG LIGHT REMINDER WARNING
CHIME : System Description ...................................
10
SEAT BELT WARNING CHIME ............................ ....10
SEAT BELT WARNING CHIME : System Diagram
....
11
SEAT BELT WARNING CHIME : System Descrip-
tion ...................................................................... ....
11
PARKING BRAKE RELEASE WARNING CHIME ....12
PARKING BRAKE RELEASE WARNING CHIME
: System Diagram ................................................ ....
12
PARKING BRAKE RELEASE WARNING CHIME
: System Description ................................................
12
DIAGNOSIS SYSTEM (COMBINATION
METER) .............................................................
14
CONSULT-III Function ............................................14
DIAGNOSIS SYSTEM (BCM) ...........................19
COMMON ITEM ..................................................... ....19
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) .....................................................
19
BUZZER ................................................................. ....20
BUZZER : CONSULT-III Function (BCM - BUZZ-
ER) ..........................................................................
20
ECU DIAGNOSIS INFORMATION ..............22
COMBINATION METER ...................................22
Reference Value .................................................. ....22
Fail-Safe ..................................................................29
DTC Index ...............................................................30
BCM (BODY CONTROL MODULE) .................31
List of ECU Reference .............................................31
WIRING DIAGRAM ......................................32
WARNING CHIME SYSTEM .............................32
Wiring Diagram .................................................... ....32
BASIC INSPECTION ...................................37
DIAGNOSIS AND REPAIR WORKFLOW ........37
Work Flow ............................................................ ....37
DTC/CIRCUIT DIAGNOSIS .........................39
POWER SUPPLY AND GROUND CIRCUIT ....39
COMBINATION METER ........................................ ....39
Revision: 2010 May2011 QX56
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WCS-6
< SYSTEM DESCRIPTION >
SYSTEM
SYSTEM
WARNING CHIME SYSTEM
WARNING CHIME SYSTEM : System DiagramINFOID:0000000006222683
WARNING CHIME SYSTEM : System DescriptionINFOID:0000000006222684
COMBINATION METER
The combination meter sounds the alarm buzzer install ed in the combination meter when receiving the buzzer
output signal transmitted from each unit.
BCM
BCM receives signals from various units and transmits a buzzer output signal to the combination meter via
CAN communication if it judges that the warning buzzer should be activated.
WARNING CHIME FUNCTION LIST
JSNIA3116GB
Warning functions Out line Warning judgment unit Refer to
Light reminder warning chime The warning chime sounds when the ignition
s w i t c h i s i n O F F o r A C C p o s i t i o n w i t h t h e c o m -
bination switch (lighting switch) in the 1st or
2nd position and the driver side door open. BCMWCS-8,
"LIGHT RE-
MINDER
WARNING
CHIME : Sys-
tem Descrip-
tion"
Front fog light reminder warning chime
The warning chime sounds when the ignition
switch is turned to LOCK, OFF or ACC posi-
tion from ON position, with combination switch
(lighting switch) is in AUTO position and the
front fog lamp switch in ON position. BCMWCS-10,
"FRONT FOG
LIGHT RE-
MINDER
WARNING
CHIME : Sys-
tem Descrip-
tion"
Revision: 2010 May2011 QX56
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WCS-8
< SYSTEM DESCRIPTION >
SYSTEM
LIGHT REMINDER WARNING CHIME
LIGHT REMINDER WARNING CHIME : System DiagramINFOID:0000000006222543
LIGHT REMINDER WARNING CHIME : System DescriptionINFOID:0000000006222544
WARNING CHIME OPERATION CONDITIONS
If all of the following conditions are fulfilled.
WARNING CHIME CANCEL CONDITIONS
Warning lamp/indicator lampABS warning lamp
The lamp turns ON by suspending communication.
VDC warning lamp
Brake warning lamp
IBA OFF indicator lamp
4WD warning lamp
Malfunction indicator lamp
VDC OFF indicator lamp
CRUISE warning lamp
Low tire pressure warning lamp The lamp blinking caused by suspending communication.
High beam indicator lamp
The lamp turns OFF by suspending communication.
Turn signal indicator lamp
Tail lamp indicator lamp
A/T CHECK indicator lamp
Key warning lamp
ATP warning lamp
Lane departure warning lamp
LDP ON indicator lamp
CRUISE indicator lamp
Oil pressure warning lamp
SNOW mode indicator lamp
TOW mode indicator lamp
CK SUSP indicator lamp
BSW indicator lamp
Function Specifications
JSNIA2421GB
Operation conditions
Ignition switch OFF or ACC position
Combination switch (Lighting
switch) 1st or 2nd position
Driver door Open [front door switch (driver side) ON]
Revision: 2010 May2011 QX56
Page 5414 of 5598
WCS-10
< SYSTEM DESCRIPTION >
SYSTEM
FRONT FOG LIGHT REMINDER WARNING CHIME : System Diagram
INFOID:0000000006222545
FRONT FOG LIGHT REMINDER WARNING CHIME : System DescriptionINFOID:0000000006222546
WARNING CHIME OPERATION CONDITIONS
Warning chime sounds during 2 seconds when the ignition sw itch is in LOCK, OFF or ACC position, if all of
below operation conditions is met.
SIGNAL PATH
1. BCM requires warning chime output to combination meter when it judges front fog light reminder warning
chime is necessary from signals below.
2. Combination meter sounds integrated buzzer, following the warning chime output requirement (below sig- nal) from BCM.
TIMING CHART
SEAT BELT WARNING CHIME
JSNIA3117GB
Operation conditions
Ignition switch ON position
Combination switch (Lighting
switch) AUTO position and front fog lamp switch ON
position
Signal name Signal path
Ignition switch signal —
Combination switch signal Combination switch (Lighting switch) BCM
Signal name Signal path
Buzzer output signal BCM Combination meter
JSNIA3110GB
Revision: 2010 May2011 QX56