INFINITI QX56 2006 Factory Service Manual
Manufacturer: INFINITI, Model Year: 2006, Model line: QX56, Model: INFINITI QX56 2006Pages: 3383, PDF Size: 51.76 MB
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![INFINITI QX56 2006 Factory Service Manual LAN-132
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TROUBLE DIAGNOSIS FOR SYSTEM
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect display control unit connector.
2. Check resistance between display control](/img/42/57028/w960_57028-2400.png "INFINITI QX56 2006 Factory Service Manual LAN-132
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect display control unit connector.
2. Check resistance between display control")
LAN-132
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect display control unit connector.
2. Check resistance between display control unit harness connec- tor terminals.
OK or NG
OK >> Replace display control unit.
NG >> Repair harness between display control unit and data link connector.
BCM Circuit InspectionUKS004TO
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of BCM for damage, bend and loose connection (control module side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect BCM connector.
2. Check resistance between BCM harness connector terminals.
OK or NG
OK >> Replace BCM. Refer to BCS-20, "BCM" .
NG >> Repair harness between BCM and data link connector.
Data Link Connector Circuit InspectionUKS004TP
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connector of data link connector for damage, bend and loose connection (con- nector side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
Display control unit connector TerminalResistance
(Approx.)
M95 25 26 54 – 66 Ω
SKIA6884E
BCM connector TerminalResistance
(Approx.)
M18 394054 – 66 Ω
SKIA6869E
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![INFINITI QX56 2006 Factory Service Manual TROUBLE DIAGNOSIS FOR SYSTEMLAN-133
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2. CHECK HARNESS FOR OPEN CIRCUIT
Check resistance between data link connector terminals.
OK or N](/img/42/57028/w960_57028-2401.png "INFINITI QX56 2006 Factory Service Manual TROUBLE DIAGNOSIS FOR SYSTEMLAN-133
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2. CHECK HARNESS FOR OPEN CIRCUIT
Check resistance between data link connector terminals.
OK or N")
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2. CHECK HARNESS FOR OPEN CIRCUIT
Check resistance between data link connector terminals.
OK or NG
OK >> Diagnose again. Refer to LAN-5, "TROUBLE DIAG-
NOSES WORK FLOW" .
NG >> Repair harness between data link connector and combi-
nation meter.
Steering Angle Sensor Circuit InspectionUKS004TQ
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of steering angle sensor for damage, bend and loose connection (sensor side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect steering angle sensor connector.
2. Check resistance between steering angle sensor harness con- nector terminals.
OK or NG
OK >> Replace steering angle sensor.
NG >> Repair harness between steering angle sensor and data link connector.
Front Air Control Circuit InspectionUKS004TR
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of front air control for damage, bend and loose connection (unit side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
Data link
connector TerminalResistance
(Approx.)
M22 614 54 – 66 Ω
PKIA9865E
Steering angle
sensor connector TerminalResistance
(Approx.)
M47 3454 – 66 Ω
PKIA6838E
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![INFINITI QX56 2006 Factory Service Manual LAN-134
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect front air control connector.
2. Check resistance between front air control h](/img/42/57028/w960_57028-2402.png "INFINITI QX56 2006 Factory Service Manual LAN-134
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect front air control connector.
2. Check resistance between front air control h")
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect front air control connector.
2. Check resistance between front air control harness connector terminals.
OK or NG
OK >> Replace front air control.
NG >> Repair harness between front air control and data link connector.
Transfer Control Unit Circuit InspectionUKS004TS
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of transfer 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 transfer control unit connector.
2. Check resistance between transfer control unit harness connec- tor terminals.
OK or NG
OK >> Replace transfer control unit.
NG >> Repair harness between transfer control unit and har- ness connector E152.
ABS Actuator and Electric Unit (Control Unit) Circuit InspectionUKS004TT
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative 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.
Front air control connector TerminalResistance
(Approx.)
M50 34 35 54 – 66 Ω
PKIA8136E
Transfer control
unit connector TerminalResistance
(Approx.)
E142 7854 – 66 Ω
PKIA6844E
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1. Disconnect ABS actuator and electric unit (control unit) con](/img/42/57028/w960_57028-2403.png "INFINITI QX56 2006 Factory Service Manual TROUBLE DIAGNOSIS FOR SYSTEMLAN-135
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) con")
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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 terminals.
OK or NG
OK >> Replace ABS actuator and electric unit (control unit).
NG >> Repair harness between ABS actuator and electric unit (control unit) and harness connector E152.
IPDM E/R Circuit InspectionUKS004TU
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative 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.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check resistance between IPDM E/R harness connector termi- nals.
OK or NG
OK >> Replace IPDM E/R.
NG >> Repair harness between IPDM E/R and harness con- nector E152.
CAN Communication Circuit InspectionUKS004TV
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the harness connector for each unit on the CAN network and check terminals for deformation, disconnection, looseness or damage.
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector as necessary.
ABS actuator and electric unit (con-
trol unit) connector Terminal
Resistance
(Approx.)
E125 111554 – 66 Ω
SKIA6872E
IPDM E/R
connector TerminalResistance
(Approx.)
E122 3940108 – 132 Ω
PKIA8141E
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![INFINITI QX56 2006 Factory Service Manual LAN-136
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2. CHECK HARNESS FOR SHORT CIRCUIT
With all module and control unit connectors disconnected, check
continuity between data l](/img/42/57028/w960_57028-2404.png "INFINITI QX56 2006 Factory Service Manual LAN-136
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Revision: November 20092006 QX56
2. CHECK HARNESS FOR SHORT CIRCUIT
With all module and control unit connectors disconnected, check
continuity between data l")
LAN-136
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2. CHECK HARNESS FOR SHORT CIRCUIT
With all module and control unit connectors disconnected, check
continuity between data link connector terminals.
OK or NG
OK >> GO TO 3.
NG >>
Repair harness.
Change harness if shielded lines are used for the har-
ness.
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector terminals and ground.
OK or NG
OK >> GO TO 4.
NG >>
Repair harness.
Change harness if shielded lines are used for the har-
ness.
4. ECM AND IPDM E/R INTERNAL CIRCUIT INSPECTION
1. Remove ECM and IPDM E/R from vehicle.
2. Check resistance between ECM terminals.
3. Check resistance between IPDM E/R terminals.
OK or NG
OK >> GO TO 5.
NG >> Replace ECM and/or IPDM E/R.
5. CHECK SYMPTOM
1. Fill in described symptoms on the column “Symptom” in the check sheet.
2. Connect all connectors, and then make sure that the symptom is reproduced.
OK or NG
OK >> GO TO 6.
NG >> Refer to LAN-14, "
Example of Filling in Check Sheet When Initial Conditions Are Not Reproduced"
.
Data link
connector Terminal
Continuity
M22 614 No
SKIA6868E
Data link
connector Terminal
Continuity
M22 6
Ground No
14 Ground No
PKIA9872E
Terminal Resistance (Approx.)
94 86108 – 132 Ω
Terminal Resistance (Approx.)
39 40108 – 132 Ω
LKIA0037E
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6. UNIT REPRODUCIBILITY INSPECTION
Perform the following procedure for each unit on the CAN netwo](/img/42/57028/w960_57028-2405.png "INFINITI QX56 2006 Factory Service Manual TROUBLE DIAGNOSIS FOR SYSTEMLAN-137
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6. UNIT REPRODUCIBILITY INSPECTION
Perform the following procedure for each unit on the CAN netwo")
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6. UNIT REPRODUCIBILITY INSPECTION
Perform the following procedure for each unit on the CAN network, and then perform reproducibility test.
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the unit connector.
4. Connect the battery cable to the negative terminal.
5. Make sure that the symptom filled in the “Symptom” of the check sheet is reproduced. (Do not confuse it
with the symptom related to removed unit.)
6. Make sure that the same symptom is reproduced.
Inspection results
Reproduced>>Install removed unit, and then check the other unit.
Not reproduced>>Replace removed unit.
IPDM E/R Ignition Relay Circuit InspectionUKS004TW
Check the following. If no malfunction is found, replace the IPDM E/R.
IPDM E/R power supply circuit. Refer to PG-28, "IPDM E/R Power/Ground Circuit Inspection" .
Ignition power supply circuit. Refer to PG-13, "IGNITION POWER SUPPLY — IGNITION SW. IN ON
AND/OR START" .
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LAN-138
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LT-1
LIGHTING SYSTEM
K ELECTRICAL
CONTENTS
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PRECAUTIONS .....................................................
..... 4
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 4
General precautions for service operations ........ ..... 4
HEADLAMP (FOR USA) ....................................... ..... 5
Component Parts and Harness Connector Location ..... 5
System Description ............................................. ..... 5
OUTLINE .......................................................... ..... 5
XENON HEADLAMP ........................................ ..... 6
BATTERY SAVER CONTROL ......................... ..... 7
AUTO LIGHT OPERATION .............................. ..... 7
VEHICLE SECURITY SYSTEM (PANIC ALARM) ..... 7
CAN Communication System Description ........... ..... 7
Schematic ........................................................... ..... 8
Wiring Diagram — H/LAMP — ............................ ..... 9
Terminals and Reference Values for BCM .......... ... 13
Terminals and Reference Values for IPDM E/R .. ... 14
How to Proceed With Trouble Diagnosis ............. ... 14
Preliminary Check ............................................... ... 14
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ................................................................. ... 14
CONSULT-II Function (BCM) .............................. ... 16
CONSULT-II OPERATION ............................... ... 16
WORK SUPPORT ............................................ ... 17
DATA MONITOR .............................................. ... 17
ACTIVE TEST .................................................. ... 18
SELF-DIAGNOSTIC RESULTS ....................... ... 18
CONSULT-II Function (IPDM E/R) ...................... ... 19
CONSULT-II OPERATION ............................... ... 19
DATA MONITOR .............................................. ... 20
ACTIVE TEST .................................................. ... 20
Headlamp HI Does Not Illuminate (Both Sides) .. ... 21
Headlamp HI Does Not Illuminate (One Side) .... ... 23
High Beam Indicator Lamp Does Not Illuminate . ... 24
Headlamp LO Does Not Illuminate (Both Sides) . ... 24
Headlamp LO Does Not Illuminate (One Side) ... ... 26
Headlamps Do Not Turn OFF ............................. ... 27
Aiming Adjustment .............................................. ... 29
HEADLAMP AIMING ........................................ ... 29Bulb Replacement ...............................................
... 30
HEADLAMP (OUTER SIDE), FOR LOW BEAM ... 30
HEADLAMP (INNER SIDE), FOR HIGH BEAM ... 31
FRONT PARKING LAMP (INNER OR OUTER) ... 31
SIDE MARKER LAMP (FRONT) ......................... 31
Removal and Installation ..................................... ... 31
FRONT COMBINATION LAMP ASSEMBLY .... ... 31
INSTALLATION ................................................ ... 32
Disassembly and Assembly ................................. ... 32
FRONT COMBINATION LAMP ASSEMBLY .... ... 32
DISASSEMBLY ................................................ ... 32
ASSEMBLY ...................................................... ... 32
HEADLAMP (FOR CANADA) - DAYTIME LIGHT
SYSTEM - ............................................................... ... 33
Component Parts and Harness Connector Location ... 33
System Description .............................................. ... 34
OUTLINE .......................................................... ... 34
DAYTIME LIGHT OPERATION ........................ ... 34
COMBINATION SWITCH READING FUNCTION ... 34
AUTO LIGHT OPERATION .............................. ... 35
CAN Communication System Description ........... ... 35
Schematic ............................................................ ... 36
Wiring Diagram — DTRL — ................................ ... 37
Terminals and Reference Values for BCM ........... ... 41
How to Proceed With Trouble Diagnosis ............. ... 42
Preliminary Check ............................................... ... 42
CHECK BCM CONFIGURATION ..................... ... 42
INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT .......................................... ... 42
INSPECTION PARKING BRAKE SWITCH CIR-
CUIT ................................................................. ... 43
CONSULT-II Functions ........................................ ... 44
Daytime Light Control Does Not Operate Properly
(Normal Headlamps Operate Properly) ............... ... 44
Aiming Adjustment ............................................... ... 46
Bulb Replacement ............................................... ... 46
Removal and Installation ..................................... ... 46
Disassembly and Assembly ................................. ... 46
AUTO LIGHT SYSTEM .......................................... ... 47
Component Parts and Harness Connector Location ... 47
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LT-2Revision: November 20092006 QX56
System Description ..............................................
... 48
OUTLINE .......................................................... ... 48
COMBINATION SWITCH READING FUNCTION ... 48
EXTERIOR LAMP BATTERY SAVER CONTROL ... 48
DELAY TIMER FUNCTION .............................. ... 48
CAN Communication System Description ........... ... 48
Major Components and Functions ....................... ... 48
Schematic ............................................................ ... 49
Wiring Diagram — AUTO/L — ............................. ... 50
Terminals and Reference Values for BCM ........... ... 53
Terminals and Reference Values for IPDM E/R ... ... 54
How to Proceed With Trouble Diagnosis ............. ... 55
Preliminary Check ............................................... ... 55
SETTING CHANGE FUNCTIONS .................... ... 55
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ................................................................. ... 55
CONSULT-II Function (BCM) ............................... ... 57
CONSULT-II OPERATION ................................ ... 57
WORK SUPPORT ............................................ ... 58
DATA MONITOR ............................................... ... 58
ACTIVE TEST .................................................. ... 59
SELF-DIAGNOSTIC RESULTS ........................ ... 59
CONSULT-II Function (IPDM E/R) ....................... ... 60
CONSULT-II OPERATION ................................ ... 60
DATA MONITOR ............................................... ... 61
ACTIVE TEST .................................................. ... 61
Trouble Diagnosis Chart by Symptom ................. ... 62
Lighting Switch Inspection ................................... ... 62
Optical Sensor System Inspection ....................... ... 63
Optical Sensor ..................................................... ... 64
REMOVAL AND INSTALLATION ...................... ... 64
HEADLAMP AIMING CONTROL ........................... ... 65
System Description .............................................. ... 65
Wiring Diagram — H/AIM — ................................ ... 66
Headlamp Aiming Switch ..................................... ... 68
REMOVAL AND INSTALLATION ...................... ... 68
Switch Circuit Inspection ..................................... ... 68
FRONT FOG LAMP ............................................... ... 69
Component Parts and Harness Connector Location ... 69
System Description .............................................. ... 69
OUTLINE .......................................................... ... 69
COMBINATION SWITCH READING FUNCTION ... 70
EXTERIOR LAMP BATTERY SAVER CONTROL ... 70
CAN Communication System Description ........... ... 70
Wiring Diagram — F/FOG — ............................... ... 71
Terminals and Reference Values for BCM ........... ... 73
Terminals and Reference Values for IPDM E/R ... ... 74
How to Proceed With Trouble Diagnosis ............. ... 74
Preliminary Check ............................................... ... 75
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ................................................................. ... 75
CONSULT-II Functions ........................................ ... 76
Front Fog Lamps Do Not Illuminate (Both Sides) ... 76
Front Fog Lamp Does Not Illuminate (One Side) ... 77
Aiming Adjustment ............................................... ... 78
Bulb Replacement ............................................... ... 79
FRONT FOG LAMP .......................................... ... 79INSTALLATION ................................................
... 79
Removal and Installation ...................................... ... 79
FRONT FOG LAMP .......................................... ... 79
INSTALLATION ................................................ ... 79
TURN SIGNAL AND HAZARD WARNING LAMPS ... 80
Component Parts and Harness Connector Location ... 80
System Description .............................................. ... 80
OUTLINE .......................................................... ... 80
TURN SIGNAL OPERATION ............................ ... 80
HAZARD LAMP OPERATION .......................... ... 81
REMOTE KEYLESS ENTRY SYSTEM OPERA-
TION ................................................................. ... 82
COMBINATION SWITCH READING FUNCTION ... 82
CAN Communication System Description ........... ... 82
Schematic ............................................................ ... 83
Wiring Diagram — TURN — ................................ ... 84
Terminals and Reference Values for BCM ........... ... 87
How to Proceed With Trouble Diagnosis ............. ... 88
Preliminary Check ................................................ ... 89
CHECK POWER SUPPLY AND GROUND CIR-
CUIT .................................................................. ... 89
CONSULT-II Function (BCM) ............................... ... 90
CONSULT-II OPERATION ................................ ... 90
DATA MONITOR ............................................... ... 91
ACTIVE TEST ................................................... ... 91
Front Turn Signal Lamp Does Not Operate ......... ... 92
Door Mirror Turn Signal Lamp Does Not Operate ... 93
Rear Turn Signal Lamp Does Not Operate .......... ... 94
Hazard Warning Lamp Does Not Operate But Turn
Signal Lamps Operate ......................................... ... 95
Turn Signal Indicator Lamp Does Not Operate .... ... 96
Bulb Replacement ................................................ ... 97
TURN SIGNAL LAMP (FRONT) ....................... ... 97
TURN SIGNAL LAMP (REAR) .......................... ... 97
Removal and Installation ...................................... ... 97
FRONT TURN SIGNAL LAMP .......................... ... 97
REAR TURN SIGNAL LAMP ............................ ... 97
LIGHTING AND TURN SIGNAL SWITCH ............. ... 98
Removal and Installation ...................................... ... 98
REMOVAL ........................................................ ... 98
INSTALLATION ................................................ ... 98
HAZARD SWITCH .................................................. ... 99
Removal and Installation ...................................... ... 99
REMOVAL ........................................................ ... 99
INSTALLATION ................................................ ... 99
COMBINATION SWITCH ....................................... .100
Wiring Diagram — COMBSW — ......................... .100
Combination Switch Reading Function ................ .101
CONSULT-II Function (BCM) ............................... .101
CONSULT-II OPERATION ................................ .101
DATA MONITOR ............................................... .102
Combination Switch Inspection ............................ .103
Removal and Installation ...................................... .105
Switch Circuit Inspection ...................................... .105
STOP LAMP ........................................................... .106
System Description .............................................. .106
Wiring Diagram — STOP/L — ............................. .107
Bulb Replacement ................................................ .108
HIGH-MOUNTED STOP LAMP ........................ .108
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STOP LAMP .....................................................
. 108
Removal and Installation ..................................... . 108
HIGH_MOUNTED STOP LAMP ...................... . 108
STOP LAMP ..................................................... . 108
BACK-UP LAMP ................................................... . 109
Wiring Diagram — BACK/L — ............................ . 109
Bulb Replacement ............................................... .. 110
BACK-UP LAMP .............................................. .. 110
INSTALLATION ................................................ .. 110
Removal and Installation ..................................... .. 110
BACK-UP LAMP .............................................. .. 110
PARKING, LICENSE PLATE AND TAIL LAMPS .. .. 111
Component Parts and Harness Connector Location . . 111
System Description ............................................. . . 111
OPERATION BY LIGHTING SWITCH ............. .. 112
COMBINATION SWITCH READING FUNCTION .. 112
EXTERIOR LAMP BATTERY SAVER CONTROL .. 112
CAN Communication System Description ........... .. 112
Schematic ........................................................... .. 113
Wiring Diagram — TAIL/L — ................................. 114
Terminals and Reference Values for BCM .......... .. 117
Terminals and Reference Values for IPDM E/R .. .. 118
How to Proceed With Trouble Diagnosis ............. .. 118
Preliminary Check ............................................... .. 118
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ................................................................. .. 118
CONSULT-II Functions ........................................ .. 119
Parking, License Plate and/or Tail Lamps Do Not
Illuminate ............................................................. . 120
Parking, License Plate and Tail Lamps Do Not Turn
OFF (After Approx. 10 Minutes) .......................... . 123
Bulb Replacement ............................................... . 124
FRONT PARKING LAMP ................................. . 124
LICENSE PLATE LAMP ................................... . 124
SIDE MARKER LAMP (FRONT) ...................... . 124
TAIL LAMP ....................................................... . 124
Removal and Installation ..................................... . 124
FRONT PARKING LAMP ................................. . 124
LICENSE PLATE LAMP ................................... . 124
INSTALLATION ................................................ . 124
SIDE MARKER LAMP (REAR) ........................ . 124
TAIL LAMP ....................................................... . 124
REAR COMBINATION LAMP ............................... . 125
Bulb Replacement ............................................... . 125
SIDE MARKER LAMP (REAR) ........................ . 125
TAIL LAMP ....................................................... . 125
TURN SIGNAL ................................................. . 125
STOP LAMP ..................................................... . 125
INSTALLATION ................................................ . 125
Removal and Installation ..................................... . 125
REAR COMBINATION LAMP .......................... . 125
TRAILER TOW ...................................................... . 126Component Parts and Harness Connector Location
.126
System Description .............................................. .126
TRAILER TAIL LAMP OPERATION ................. .127
TRAILER BRAKE, TURN SIGNAL AND HAZARD
LAMP OPERATION .......................................... .127
TRAILER BRAKE OPERATION ....................... .128
TRAILER POWER SUPPLY OPERATION ....... .128
Schematic ............................................................ .129
Wiring Diagram — T/TOW — .............................. .130
INTERIOR ROOM LAMP ....................................... .134
Component Parts and Harness Connector Location .134
System Description .............................................. .135
POWER SUPPLY AND GROUND ................... .135
SWITCH OPERATION ..................................... .136
ROOM LAMP TIMER OPERATION ................. .136
INTERIOR LAMP BATTERY SAVER CONTROL .137
Schematic ............................................................ .138
Wiring Diagram — INT/L — ................................. .140
Terminals and Reference Values for BCM ........... .147
How to Proceed With Trouble Diagnosis ............. .148
Preliminary Check ............................................... .148
INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT .......................................... .148
CONSULT-II Function (BCM) .............................. .149
CONSULT-II OPERATION ................................ .149
WORK SUPPORT ............................................ .150
DATA MONITOR .............................................. .150
ACTIVE TEST .................................................. .151
Room/Map Lamp Control Does Not Operate ...... .151
Personal Lamp Control Does Not Operate (Room/
Map Lamps Operate) ........................................... .153
All Step/Foot/Puddle Lamps Do Not Operate ...... .154
All Interior Room Lamps Do Not Operate ............ .155
Ignition Keyhole Illumination Control Does Not
Operate ................................................................ .155
ILLUMINATION ...................................................... .157
Component Parts and Harness Connector Location .157
System Description .............................................. .157
ILLUMINATION OPERATION BY LIGHTING
SWITCH ........................................................... .158
EXTERIOR LAMP BATTERY SAVER CONTROL .159
CAN Communication System Description ........... .159
Schematic ............................................................ .160
Wiring Diagram — ILL — ..................................... .163
Removal and Installation of Illumination Control
Switch .................................................................. .174
REMOVAL ........................................................ .174
INSTALLATION ................................................ .174
BULB SPECIFICATIONS ....................................... .175
Headlamp ............................................................ .175
Exterior Lamp ...................................................... .175
Interior Lamp/Illumination .................................... .175