wiring INFINITI QX56 2011 Factory Service Manual

B1215, B1216, B1217 SATELLITE SENSOR LH
SRC-179
< DTC/CIRCUIT DIAGNOSIS >
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B1215, B1216, B1217 SATELLITE SENSOR LH
DTC LogicINFOID:0000000006220139
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-14, "
On Board Diagnosis Function".
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-179, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220140
WARNING:
 Before servicing, turn ignition s witch OFF, disconnect battery negati ve terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
 Never use unspecified tester or other measuring device.
1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connector.
2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace wiring harness.
3.REPLACE FRONT SATELLITE SENSOR
1. Replace front satellite sensor LH. Refer to SR-24, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-179, "
DTC Logic"
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to SR-26, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-179, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1215
B1216
B1217 LH1 SAT-SENS Front satellite sensor LH is malfunctioning  Disconnection of wiring harness
 Malfunction in front satellite sensor LH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

B1218, B1219, B1220, B1221, B1222, B1223 DIAGNOSIS SENSOR UNIT
SRC-181
< DTC/CIRCUIT DIAGNOSIS >
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B1218, B1219, B1220, B1221, B1222, B1223 DIAGNOSIS SENSOR UNIT
DTC LogicINFOID:0000000006220141
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-14, "
On Board Diagnosis Function".
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-181, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220142
WARNING:
 Before servicing, turn ignition s witch OFF, disconnect battery negati ve terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
 Never use unspecified tester or other measuring device.
1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connectors.
2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace wiring harness.
3.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to SR-26, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-181, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
NO >> INSPECTION END
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1218
B1219
B1220
B1221
B1222
B1223 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRC-182
< DTC/CIRCUIT DIAGNOSIS >
B1234, B1235, B1236, B1237, B1238, B1239 DIAGNOSIS SENSOR UNIT
B1234, B1235, B1236, B1237, B1238, B1239 DIAGNOSIS SENSOR UNIT
DTC LogicINFOID:0000000006220143
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-14, "
On Board Diagnosis Function".
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-182, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220144
WARNING:
 Before servicing, turn ignition sw itch OFF, disconnect battery negative terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
 Never use unspecified tester or other measuring device.
1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connectors.
2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace wiring harness.
3.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to SR-26, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-182, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
NO >> INSPECTION END
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1239 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

B1304 SATELLITE SEN RHSRC-183
< DTC/CIRCUIT DIAGNOSIS >
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B1304 SATELLITE SEN RH
DTC LogicINFOID:0000000006220145
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-14, "
On Board Diagnosis Function".
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-183, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220146
WARNING:
 Before servicing, turn ignition s witch OFF, disconnect battery negati ve terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
 Never use unspecified tester or other measuring device.
1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connector.
2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace wiring harness.
3.REPLACE REAR SATELLITE SENSOR
1. Replace rear satellite sensor RH. Refer to SR-24, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-183, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to SR-26, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-183, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1304 SATELLITE SENS RH
[UNIT FAIL] Rear satellite sensor RH is malfunctioning  Disconnection of wiring harness
 Malfunction in rear satellite sensor RH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

B1306, B1308, B1309, B1310 SATELLITE SEN RH
SRC-185
< DTC/CIRCUIT DIAGNOSIS >
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B1306, B1308, B1309, B1310 SATELLITE SEN RH
DTC LogicINFOID:0000000006220147
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-14, "
On Board Diagnosis Function".
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-185, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220148
WARNING:
 Before servicing, turn ignition s witch OFF, disconnect battery negati ve terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
 Never use unspecified tester or other measuring device.
1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connector.
2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace wiring harness.
3.REPLACE REAR SATELLITE SENSOR
1. Replace rear satellite sensor RH. Refer to SR-24, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-185, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to SR-26, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-185, "
DTC Logic".
Is DTC detected?
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1306
B1308
B1309
B1310 SATELLITE SENS RH
[COMM FAIL]
Rear satellite sensor RH is malfunctioning
or out of the specified specification  Disconnection of wiring harness
 Malfunction in rear satellite sensor RH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRC-188
< DTC/CIRCUIT DIAGNOSIS >
B1311 SATELLITE SEN LH
B1311 SATELLITE SEN LH
DTC LogicINFOID:0000000006220151
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-14, "
On Board Diagnosis Function".
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-188, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220152
WARNING:
 Before servicing, turn ignition sw itch OFF, disconnect battery negative terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
 Never use unspecified tester or other measuring device.
1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connector.
2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace wiring harness.
3.REPLACE REAR SATELLITE SENSOR
1. Replace rear satellite sensor LH. Refer to SR-24, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-188, "
DTC Logic"
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to SR-26, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-188, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1311 SATELLITE SENS LH
[UNIT FAIL] Rear satellite sensor LH is malfunctioning  Disconnection of wiring harness
 Malfunction in rear satellite sensor LH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRC-190
< DTC/CIRCUIT DIAGNOSIS >
B1313, B1315, B1316, B1317 SATELLITE SEN LH
B1313, B1315, B1316, B1317 SATELLITE SEN LH
DTC LogicINFOID:0000000006220153
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-14, "
On Board Diagnosis Function".
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-190, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220154
WARNING:
 Before servicing, turn ignition sw itch OFF, disconnect battery negative terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
 Never use unspecified tester or other measuring device.
1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connector.
2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace wiring harness.
3.REPLACE REAR SATELLITE SENSOR
1. Replace rear satellite sensor LH. Refer to SR-24, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-190, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to SR-26, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-190, "
DTC Logic".
Is DTC detected?
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1313
B1315
B1316
B1317 SATELLITE SENS LH
[COMM FAIL]
Rear satellite sensor LH is malfunctioning
or out of the specified specification  Disconnection of wiring harness
 Malfunction in rear satellite sensor LH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRS AIR BAG WARNING LAMP DOES NOT TURN OFF
SRC-193
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
SRS AIR BAG WARNING LAMP DOES NOT TURN OFF
Diagnosis ProcedureINFOID:0000000006220157
1.CHECK AIR BAG MODULE AND SEAT BELT PRE-TENSIONER
Check the deployment of air bag m odule and seat belt pre-tensioner.
Is air bag module deployed?
YES >> Replace the malfunctioning parts.
NO >> GO TO 2.
2.CHECK AIR BAG FUSE
Check 10 A fuse [No.2, located in fuse block (J/B)].
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace the fuse.
3.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Replace harness connectors.
4.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace wiring harness.
5.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to SR-26, "
Removal and Installation".
2. Check air bag warning lamp operation.
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 6.
6.REPLACE COMBINATION METER
1. Replace combination meter. Refer to MWI-85, "
Removal and Installation".
2. Check air bag warning lamp operation.
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 1.
Revision: 2010 May2011 QX56

SRC-194
< SYMPTOM DIAGNOSIS >
SRS AIR BAG WARNING LAMP DOES NOT TURN ON
SRS AIR BAG WARNING LAMP DOES NOT TURN ON
Diagnosis ProcedureINFOID:0000000006220158
1.CHECK COMBINATION METER POWER SUPPLY AND GROUND CIRCUIT
Check conbination meter unit power supply and ground circuit. Refer to MWI-64, "
COMBINATION METER :
Diagnosis Procedure" .
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace harness connectors.
3.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Replace wiring harness.
4.CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Disconnect air bag diagnosis sensor unit connector and turn ignition switch ON.
Does air bag warning lamp turn ON?
YES >> Replace air bag diagnosis sensor unit. Refer to SR-26, "Removal and Installation".
NO >> Replace combination meter. Refer to MWI-85, "
Removal and Installation".
Revision: 2010 May2011 QX56

ST-1
STEERING
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SECTION ST
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CONTENTS
STEERING SYSTEM
PRECAUTION ................ ...............................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect .....................................
3
Service Notice or Precautions for Steering System
......
4
PREPARATION ............................................5
PREPARATION .............................................. .....5
Special Service Tools .......................................... ......5
Commercial Service Tools ........................................6
SYSTEM DESCRIPTION ..............................7
COMPONENT PARTS ................................... .....7
Component Parts Location (Heated Steering
Wheel) ................................................................. ......
7
Component Description (Heated Steering Wheel) ......7
Heated Steering Wheel .............................................7
Heated Steering Wheel Switch .................................8
Heated Steering Wheel Relay ...................................8
SYSTEM ..............................................................9
System Description (Heated Steering Wheel) ..... ......9
WIRING DIAGRAM ......................................10
HEATED STEERING WHEEL ........................ ....10
Wiring Diagram ................................................... ....10
BASIC INSPECTION ...................................13
DIAGNOSIS AND REPAIR WORK FLOW .... ....13
WorkFlow (Heated Steering Wheel) .................... ....13
STEERING WHEEL ............................................14
Inspection ............................................................ ....14
DTC/CIRCUIT DIAGNOSIS .........................16
HEATED STEERING WHEEL SYSTEM ...........16
Component Function Check ................................ ....16
Diagnosis Procedure ...............................................16
Component Inspection (Heated Steering Wheel) ....18
Component Inspection (Heated Steering Wheel
Relay) ......................................................................
19
HEATED STEERING WHEEL SWITCH INDI-
CATOR LAMP ...................................................
20
Component Function Check ....................................20
Diagnosis Procedure ...............................................20
Component Inspection (Heated Steering Wheel
Relay) ......................................................................
22
SYMPTOM DIAGNOSIS ..............................23
HEATED STEERING WHEEL SYSTEM DOES
NOT ACTIVATE ................................................
23
Description ........................................................... ....23
Diagnosis Procedure ...............................................23
HEATED STEERING WHEEL SWITCH INDI-
CATOR LAMP DOES NOT TURN ON ..............
26
Description ...............................................................26
Diagnosis Procedure ...............................................26
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING ...........................
29
NVH Troubleshooting Chart ....................................29
PERIODIC MAINTENANCE ........................30
POWER STEERING FLUID ..............................30
Inspection ............................................................ ....30
STEERING WHEEL ..........................................32
Inspection ................................................................32
REMOVAL AND INSTALLATION ...............33
Revision: 2010 May2011 QX56