ipdm INFINITI FX35 2004 User Guide

BCS-4
BCM (BODY CONTROL MODULE)
Revision: 2004 November 2004 FX35/FX45

BCM reads operation status of combination switch using combinations shown in table below.
NOTE:
Headlamp has a dual system switch.
4. Sample operation: (When lighting switch 1st position turned ON)

When lighting switch 1st position is turned ON, contact in combination switch turns ON. At this time if
OUTPUT 4 transistor is activated, BCM detects that voltage changes in INPUT 5.

When OUTPUT 4 transistor is ON, BCM detects that voltage changes in INPUT 5, and judges that light-
ing switch 1st position is ON. Then BCM sends tail lamp ON signal to IPDM E/R using CAN communi-
cation.

When OUTPUT 4 transistor is activated again, BCM detects that voltage changes in INPUT 5, and rec-
ognizes that lighting switch 1st position is continuously ON.
SKIA4959E
SKIA4960E

BCS-6
BCM (BODY CONTROL MODULE)
Revision: 2004 November 2004 FX35/FX45
BCM STATUS CONTROL
BCM changes its status depending on the operation status in order to save power consumption.
1. CAN communication status

With ignition switch ON, CAN communicates with other control units normally.

Control by BCM is being operated properly.

When ignition switch is OFF, switching to sleep mode is possible.

Even when ignition switch is OFF, if CAN communication with IPDM E/R and combination meter is
active, CAN communication status is active.
2. Sleep transient status

This status shuts down CAN communication when ignition switch is turned OFF.

It transmits sleep request signal to IPDM E/R and combination meter.

Two seconds after CAN communication of all control units stops, CAN communication switches to inac-
tive status.
3. CAN communication inactive status

With ignition switch OFF, CAN communication is not active.

With ignition switch OFF, control performed only by BCM is active.

Three seconds after CAN communication of all control units stops, CAN communication switches to
inactive status.
4. Sleep status

BCM is activated with low current consumption mode.

CAN communication is not active.

When CAN communication operation is detected, it switches to CAN communication status.

When a state of the following switches changes, it switches to CAN communication state.
–Key switch
–Hazard switch
–Door lock/unlock switch
–Front door switch (driver side, passenger side)
–Rear door switch (LH, RH)
–Back door opener switch
–Combination switch (passing, lighting switch 1st position, Front fog lamp)
–Key fob (lock/unlock signal)
–Key cylinder switch

When control performed only by BCM is required by switch, it shifts to CAN communication inactive
mode.

Status of combination switch reading function is changed.

BCM (BODY CONTROL MODULE)
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Revision: 2004 November 2004 FX35/FX45
SYSTEMS CONTROLLED BY BCM DIRECTLY
NOTE:
Power supply only. No system control.
SYSTEMS CONTROLLED BY BCM AND IPDM E/R
SYSTEMS CONTROLLED BY BCM AND COMBINATION METER
SYSTEMS CONTROLLED BY BCM AND INTELLIGENT KEY UNIT
System Reference
Power door lockBL-22, "
POWER DOOR LOCK SYSTEM"
Remote keyless entryBL-56, "REMOTE KEYLESS ENTRY SYSTEM"
Power window NOTEGW-15, "POWER WINDOW SYSTEM"
Sunroof NOTERF-10, "SUNROOF"
Room lamp timerLT-157, "INTERIOR ROOM LAMP"
Warning chimeDI-55, "WARNING CHIME"
Rear wiperWW-35, "REAR WIPER AND WASHER SYSTEM"
System Reference
Panic alarmBL-56, "
REMOTE KEYLESS ENTRY SYSTEM"
Theft warningBL-181, "VEHICLE SECURITY (THEFT WARNING) SYSTEM"
IVIS (NATS)BL-206, "IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)"
Headlamp, tail lamp, auto light system, battery saver control

LT- 7 , "HEADLAMP - XENON TYPE -"

LT-38, "DAYTIME LIGHT SYSTEM"

LT-54, "AUTO LIGHT SYSTEM"
Fog lampLT-77, "FRONT FOG LAMP"
Front wiperWW-4, "FRONT WIPER AND WASHER SYSTEM"
Rear window defoggerGW-86, "REAR WINDOW DEFOGGER"
System Reference
Warning chimeDI-55, "
WARNING CHIME"
Turn signal and hazard warning lampsLT-89, "TURN SIGNAL AND HAZARD WARNING LAMPS"
System Reference
Intelligent KeyBL-84, "
INTELLIGENT KEY SYSTEM"

BCS-8
BCM (BODY CONTROL MODULE)
Revision: 2004 November 2004 FX35/FX45
MAJOR COMPONENTS AND CONTROL SYSTEM
System Input Output
Remote control entry system key fob

All-door locking actuator

Turn signal lamp (LH, RH)
Power door lock system

Power window main switch
(door lock and unlock switch)

Power window sub switch (passenger side)
(door lock and unlock switch)All-door locking actuator
Power supply (IGN) to power window, sunroof Ignition power supply Power window and sunroof system
Power supply (BAT) to power window, sunroof
and power seatBattery power supplyPower window, sunroof system and
power seat
Panic alarm

Key switch

Key fobIPDM E/R
Theft warning system

All-door switch

Hood switch

Key fob

Power window main switch (door lock and
unlock switch)

IPDM E/R

Security indicator lamp
Auto light system

Optical sensor

Combination switchIPDM E/R
Battery saver control

Ignition switch

Combination switchIPDM E/R
Headlamp Combination switch IPDM E/R
Tail lamp Combination switch IPDM E/R
Fog lamp Combination switch IPDM E/R
Turn signal lamp Combination switch

Turn signal lamp

Combination meter
Hazard lamp Hazard switch

Turn signal lamp

Combination meter
Room lamp timer

Key switch

key fob

Power window main switch (door lock and
unlock switch)

Front door switch driver side

All-door switchInterior room lamp
Key warning chime

Key switch

Front door switch driver sideCombination meter
(warning buzzer)
Light warning chime

Combination switch

Front door switch driver sideCombination meter
(warning buzzer)
Seat belt warning chime

Combination meter (Seat belt buckle
(driver side) switch)

Ignition switchCombination meter
(warning buzzer)
Vehicle-speed-sensing intermittent wiper

Combination switch

Combination meterIPDM E/R
Rear intermittent wiper Combination switch Rear wiper motor
Rear window defogger

Rear window defogger switch

Ignition switchIPDM E/R
A/C switch signal Unified meter and A/C amp. ECM
Blower fan switch signal Unified meter and A/C amp. ECM

BCS-14
BCM (BODY CONTROL MODULE)
Revision: 2004 November 2004 FX35/FX45
WORK SUPPORT
Operation Procedure
1. Touch “BCM” on “SELECT TEST ITEM” screen.
2. Touch “WORK SUPPORT” on “SELECT DIAG MODE” screen.
3. Touch item on “SELECT WORK ITEM” screen.
4. Touch “START”.
5. Touch “CHANGE SET”.
6. The setting will be changed and “RESETTING COMPLETED” will be displayed.
7. Touch “END”.
Display Item List
CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)AKS0058C
1. CHECK SELF-DIAGNOSTIC RESULT
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
1. Connect to CONSULT-II, and select “BCM” on “SELECT SYSTEM” screen.
2. Select “BCM control unit ” on “SELECT WORK ITEM” screen, and select “SELF-DIAG RESULTS”.
3. Check display content in self-diagnostic results.
Contents displayed
No malfunction>>INSPECTION END
Malfunction in CAN communication system>>After printing the monitor items, go to “CAN System”. Refer to
LAN-4, "
Precautions When Using CONSULT-II" .
Item Description
RESET SETTING VALUE Return a value set with WORK SUPPORT of each system to a default value in factory shipment.
CONSULT-II display code Diagnosis item
U1000INITIAL DIAG
TRANSMIT DIAG
ECM
IPDM E/R
METER / M&A
I - KEY

BL-2Revision: 2004 November 2004 FX35/FX45Trouble Diagnosis Chart by Symptom .................... 41
Check Door Switch ................................................. 42
CHECK DOOR SWITCH (EXCEPT BACK DOOR
SWITCH) ............................................................. 42
CHECK BACK DOOR SWITCH .......................... 44
Check Key Switch ................................................... 46
Check Door Lock and Unlock Switch ..................... 48
Check Door Lock Actuator (Driver side) ................. 50
Check Door Lock Actuator (Passenger Side and
Rear LH/RH) ........................................................... 51
Check Fuel Lid Opener Actuator ............................ 52
Check Front Door Key Cylinder Switch (Lock) ....... 53
Check Front Door Key Cylinder Switch (Unlock) .... 54
Check Select Unlock Relay Circuit ......................... 55
REMOTE KEYLESS ENTRY SYSTEM ..................... 56
Component Parts and Harness Connector Location ... 56
System Description ................................................. 57
INPUTS ............................................................... 57
OPERATED PROCEDURE ................................. 58
CAN Communication System Description .............. 59
CAN Communication Unit ....................................... 59
Schematic ............................................................... 60
Wiring Diagram — KEYLES— ................................ 61
FIG. 1 ................................................................... 61
FIG. 2 ................................................................... 62
FIG. 3 ................................................................... 63
Terminals and Reference Value for BCM ................ 64
Terminals and Reference Value for IPDM E/R ........ 65
CONSULT-II Function ............................................. 65
CONSULT-II INSPECTION PROCEDURE .......... 65
CONSULT-II APPLICATION ITEMS .................... 66
Work Flow ............................................................... 68
Trouble Diagnosis Chart by Symptom .................... 69
Check Key Fob Battery and Function ..................... 71
Check ACC Switch ................................................. 72
Check Door Switch ................................................. 73
CHECK DOOR SWITCH (EXCEPT BACK DOOR
SWITCH) ............................................................. 73
CHECK BACK DOOR SWITCH .......................... 75
Check Key Switch ................................................... 77
Check IPDM E/R Operation .................................... 78
Check Hazard Function .......................................... 79
Check Horn Function .............................................. 79
Check Headlamp Function ..................................... 79
Check Map Lamp and Ignition Keyhole Illumination
Function .................................................................. 79
ID Code Entry Procedure ....................................... 80
KEY FOB ID SET UP WITH CONSULT-II ........... 80
KEY FOB ID SET UP WITHOUT CONSULT-II .... 82
Key Fob Battery Replacement ................................ 83
INTELLIGENT KEY SYSTEM ................................... 84
Component Parts and Harness Connector Location ... 84
System Description ................................................. 86
DOOR LOCK FUNCTION ................................... 86
REMOTE CONTROL ENTRY FUNCTIONS ........ 87
ENGINE STARTUP FUNCTION .......................... 88
WARNING AND ALARM FUNCTION .................. 89
CHANGE SETTINGS FUNCTION ....................... 92
INTELLIGENT KEY REGISTRATION .................. 92STEERING LOCK UNIT REGISTRATION ........... 92
CAN Communication System Description .............. 93
CAN Communication Unit ....................................... 93
Schematic ............................................................... 94
Wiring Diagram — I/KEY— ..................................... 96
Terminals and Reference Value for INTELLIGENT
KEY UNIT .............................................................109
Terminals and Reference Value for Steering Lock
unit ........................................................................ 111
Terminals and Reference Value for BCM .............. 111
Terminals and Reference Value for IPDM E/R ......112
Diagnosis Procedure .............................................113
WORK FLOW ....................................................113
CONSULT-II Functions .........................................114
CONSULT-II Inspection Procedure .......................114
BASIC OPERATION ..........................................114
CONSULT-II Application Items ..............................115
WORK SUPPORT .............................................115
SELF-DIAGNOSTIC RESULTS .........................115
DATA MONITOR ................................................115
ACTIVE TEST ....................................................116
List of Operation Related Parts .............................117
Trouble Diagnosis Symptom Chart .......................118
ALL FUNCTIONS OF THE INTELLIGENT KEY
ARE NOT OPERATING .....................................118
REMOTE CONTROL ENTRY FUNCTION MAL-
FUNCTION ........................................................118
DOOR LOCK FUNCTION MALFUNCTION .......119
ENGINE START FUNCTION MALFUNCTION ..120
WARNING CHIME FUNCTION MALFUNCTION .120
Check CAN Communication System Inspection ...123
Check Intelligent Key Unit Power Supply and
Ground Circuit .......................................................124
Check Key Switch (Intelligent Key Unit Input) .......124
Check Key Switch (BCM Input) .............................126
Check Ignition Knob Switch ..................................127
Check Door Switch ...............................................128
CHECK DOOR SWITCH (EXCEPT BACK DOOR
SWITCH) ............................................................128
CHECK BACK DOOR SWITCH .........................129
Check Unlock Sensor ...........................................131
Check Door Request Switch .................................132
Check Intelligent Key Warning Buzzer ..................134
Check Outside Key Antenna .................................135
Check Inside Key Antenna ....................................138
Check Steering Lock Unit ......................................139
Check Stop Lamp Switch ......................................141
Check Detention Switch ........................................142
Check Select Unlock Relay ...................................144
Check Hazard Function ........................................145
Check Horn Function ............................................145
Check Headlamp Function ....................................145
Check IPDM E/R Operation ..................................145
Removal and Installation of Intelligent Key Unit ....146
REMOVAL ..........................................................146
INSTALLATION ..................................................146
Intelligent Key Inspection ......................................147
INTELLIGENT KEY DISASSEMBLY AND

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Revision: 2004 November 2004 FX35/FX45ASSEMBLY ....................................................... 147
REMOTE CONTROLLER BATTERY INSPEC-
TION .................................................................. 147
DOOR ..................................................................... 148
Fitting Adjustment ................................................ 148
FRONT DOOR .................................................. 148
REAR DOOR .................................................... 148
STRIKER ADJUSTMENT ................................. 149
Removal and Installation of Front Door ................ 149
REMOVAL ......................................................... 149
INSTALLATION ................................................. 150
Removal and Installation of Rear Door ................ 150
REMOVAL ......................................................... 150
INSTALLATION ................................................. 151
Removal and Installation of Door Weathers trip ... 151
REMOVAL ......................................................... 151
INSTALLATION ................................................. 151
FRONT DOOR LOCK ............................................. 152
Removal and Installation ...................................... 152
REMOVAL ......................................................... 152
INSTALLATION ................................................. 154
Disassembly and Assembly ................................. 155
DOOR KEY CYLINDER ASSEMBLY ................ 155
REAR DOOR LOCK ............................................... 156
Removal and Installation ...................................... 156
REMOVAL ......................................................... 156
INSTALLATION ................................................. 158
BACK DOOR .......................................................... 159
Fitting Adjustment ................................................ 159
VERTICAL/LATERAL CLEARANCE ADJUST-
MENT ................................................................ 159
Back Door Assembly ............................................ 159
REMOVAL ......................................................... 159
INSTALLATION ................................................. 160
INSPECTION .................................................... 160
Removal and Installation of Back Door Striker ..... 160
REMOVAL ......................................................... 160
INSTALLATION ................................................. 160
Removal and Installation of Back Door Stay ........ 161
REMOVAL ......................................................... 161
INSTALLATION ................................................. 161
Removal and Installation of Dave Tail Male &
Female ................................................................. 161
REMOVAL ......................................................... 161
Removal and Installation of Back Door Weatherstrip . 162
REMOVAL ......................................................... 162
INSTALLATION ................................................. 162
BACK DOOR LOCK ASSEMBLY .......................... 163
Removal and Installation of Back Door Lock & Clo-
sure Assembly ...................................................... 163
REMOVAL ......................................................... 163
INSTALLATION ................................................. 163
INSPECTION .................................................... 163
Removal and Installation of Back Door Opener
Switch ................................................................... 163
REMOVAL ......................................................... 163
INSTALLATION ................................................. 164
Disassembly and Assembly ................................. 164
BACK DOOR LOCK & CLOSURE ASSEMBLY . 164BACK DOOR AUTO CLOSURE SYSTEM .............165
Component Parts and Harness Connector Location .165
System Description ...............................................165
CLOSE OPERATION ........................................165
NON-OPERATION CONDITION .......................165
OPEN OPERATION ..........................................166
Wiring Diagram — B/CLOS — .............................167
Terminals and Reference Value for Back Door Clo-
sure Control Unit ...................................................169
Work Flow .............................................................170
Preliminary Check ................................................170
Trouble Diagnosis Chart by Symptom ..................170
Back Door Closure Control Unit Power Supply and
Ground Circuit Check ...........................................171
Half-Latch Switch Check ......................................171
Close Switch Check ..............................................173
Open Switch Check ..............................................174
Back Door Opener Switch Check (With Intelligent
Key) ......................................................................175
Back Door Opener Switch Check (Without Intelli-
gent Key) ..............................................................177
Unlock Sensor Check (Without Intelligent Key) ....179
Closure Motor Check ............................................180
Removal and Installation of Back Door Closer Con-
trol Unit .................................................................180
VEHICLE SECURITY (THEFT WARNING) SYSTEM .181
Component Parts and Harness Connector Location .181
System Description ...............................................182
DESCRIPTION ..................................................182
POWER SUPPLY ..............................................183
INITIAL CONDITION TO ACTIVATE THE SYS-
TEM ...................................................................183
VEHICLE SECURITY SYSTEM ALARM OPER-
ATION ................................................................184
VEHICLE SECURITY SYSTEM DEACTIVATION .184
PANIC ALARM OPERATION ............................184
CAN Communication System Description ............185
CAN Communication Unit .....................................185
Schematic .............................................................186
Wiring Diagram -VEHSEC- ...................................187
Terminals and Reference Value for BCM .............192
Terminals and Reference Value for IPDM E/R .....192
CONSULT-II Inspection Procedure .......................193
CONSULT-II APPLICATION ITEM ....................194
Trouble Diagnosis .................................................195
WORK FLOW ....................................................195
Preliminary Check ................................................196
Trouble Diagnosis Symptom Chart .......................197
Diagnostic Procedure 1 ........................................198
1 – 1 DOOR SWITCH CHECK ..........................198
1 – 2 HOOD SWITCH CHECK ..........................200
1 – 3 BACK DOOR SWITCH CHECK ...............202
Diagnostic Procedure 2 ........................................204
SECURITY INDICATOR LAMP CHECK ...........204
Diagnostic Procedure 3 ........................................205
FRONT DOOR KEY CYLINDER SWITCH
CHECK ..............................................................205
Diagnostic Procedure 4 ........................................205
VEHICLE SECURITY HORN ALARM CHECK . 205

BL-58
REMOTE KEYLESS ENTRY SYSTEM
Revision: 2004 November 2004 FX35/FX45
OPERATED PROCEDURE
Power Door Lock Operation
BCM receives a LOCK signal from key fob. BCM locks all doors with input of LOCK signal from key fob.
When an UNLOCK signal is sent from key fob once, driver's door will be unlocked.
Then, if an UNLOCK signal is sent from key fob again within 5 seconds, all other door will be unlocked.
Power door lock operation mode can be changed using “DOOR LOCK-UNLOCK SET” mode in “WORK SUP-
PORT” of “POWER DOOR LOCK SYSTEM”.
Refer to BL-67, "
Work Support" .
Power door lock operation mode can be changed also on the display.
Refer to AV- 5 8 , "
SETTING SCREEN" . (without navigation system)
Refer to AV- 9 5 , "
Vehicle Electronic Systems" . (with navigation system)
Hazard and Horn Reminder
When the doors are locked or unlocked by key fob, power is supplied to hazard warning lamp and lamp flash
as follows

LOCK operation: C mode (flash twice) or S mode (flash twice)

UNLOCK operation: C mode (flash once) or S mode (do not flash)
BCM outputs to IPDM E/R for horn reminder signal as DATA LINE (CAN H line and CAN L line).
The hazard and horn reminder has C mode (horn chirp mode) and S mode (non-horn chirp mode).
Operating function of hazard and horn reminder
Hazard and horn reminder do not operate if any door switch is ON (any door is OPEN).
How to change hazard and horn reminder mode
With CONSULT-II
Hazard and horn reminder can be changed using “MULTI ANSWER BACK SET” mode in “WORK SUPPORT”.
Refer to BL-67, "
Work Support" .
Without CONSULT-II
When LOCK and UNLOCK signals are sent from the key fob for more than 2 seconds at the same time, the
hazard and horn reminder mode is changed and hazard warning lamp flashes and horn sounds as follows:
Auto Door Lock Operation
Auto lock function signal is sent for operation when any of the following signals are not sent within 1 minute
after the unlock signal is sent from the key fob:

when door switch is turned ON for open.

when the key switch is turned ON.

when the lock signal is sent from the key fob.
Auto door lock mode can be changed using “AUTO LOCK SET” mode in “WORK SUPPORT”.
Refer to BL-67, "
Work Support" .
Auto door lock mode can be changed also on the display.
C mode S mode
Remote controller
operationLock Unlock Lock Unlock
Hazard warning lamp
flashTwice Once Twice —
Horn sound Once — — —
SEL153WA

REMOTE KEYLESS ENTRY SYSTEM
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Revision: 2004 November 2004 FX35/FX45
Terminals and Reference Value for IPDM E/RAIS004MG
* : In the state that horn reminder operates.
CONSULT-II FunctionAIS004MH
The following functions are performed by combining data received and command transmitted via the commu-
nication line from the BCM.
*:Refer to BCS-14, "CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)" .
CONSULT-II INSPECTION PROCEDURE
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
1. Turn ignition switch “OFF”.
2. Connect “CONSULT-II” and “CONSULT-II CONVERTER” to the
data link connector.
3. Turn ignition switch “ON”.
4. Touch “START (NISSAN BASED VHCL)”.
TERMINAL WIRE
COLORITEM CONDITIONVOLTAGE (V)
Approx.
38 B Ground — 0
48 L CAN H — —
49 R CAN L — —
51 SB Horn relayWhen door lock is operated using key
fob* (OFF → ON)Battery voltage → 0
60 B Ground — 0
BCM diagnosis
positionInspection items and diagnosis mode Description
BCM C/U*Self-diagnosis results Carries out the self-diagnosis.
DATA MONI-
TORCAN diagnosis support
monitorDisplays CAN communication system diagnosis, disabled
transmission status, and communication status of each unit
communicated with BCM.
Selection from menu Displays the input data to BCM on real-time basis.
MULTI REMOTE
ENTDATA MONITORDisplays the input remote keyless entry system data to BCM
on real–time basis.
ACTIVE TEST Gives a drive to a load to check the operation.
WORK SUPPORT Changes the setting for each function.
PBIB1503E
MBIB0233E

REMOTE KEYLESS ENTRY SYSTEM
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Revision: 2004 November 2004 FX35/FX45
Trouble Diagnosis Chart by SymptomAIS004MJ
NOTE:

Always check the “Work Flow” before troubleshooting. Refer to BL-68, "Work Flow" .

Always check key fob battery before replacing key fob.
Symptom Diagnoses/service procedureReference
page
All function of remote keyless entry system do not
operate.1. Check key fob battery and function.BL-71
2. Replace key fob. Refer to ID Code Entry Procedure.
NOTE:
If the result of key fob function check with CONSULT-II is OK, key
fob is not malfunctioning.BL-80
3. Replace BCM.BCS-15
The new ID of key fob cannot be entered.1. Check key fob battery and function.BL-71
2. Check key switch.BL-77
3. Check door switch.BL-73
4. Check ACC switch.BL-72
5. Replace key fob. Refer to ID Code Entry Procedure.
NOTE:
If the result of key fob function check with CONSULT-II is OK, key
fob is not malfunctioning.BL-80
6. Replace BCM.BCS-15
Door lock or unlock does not function with key fob.
(Power door lock system is “OK”.)1. Check key fob battery and function.BL-71
2. Replace key fob. Refer to ID Code Entry Procedure.
NOTE:
If the result of key fob function check with CONSULT-II is OK, key
fob is not malfunctioning.BL-80
3. Replace BCM.BCS-15
Hazard and horn reminder does not activate prop-
erly when pressing lock or unlock button of key fob.1. Check hazard and horn reminder mode.*
*: Hazard and horn reminder mode can be changed.
First check the hazard and horn reminder setting.BL-67
2. Check door switch.BL-73
3. Replace BCM.BCS-15
Hazard reminder does not activate properly when
pressing lock or unlock button of key fob.
(Horn reminder is “OK”.)1. Check hazard reminder mode.*
*: Hazard reminder mode can be changed.
First check the hazard reminder setting.BL-67
2. Check hazard function with hazard switch.BL-79
3. Replace BCM.BCS-15
Horn reminder does not activate properly when
pressing lock button of key fob.
(Hazard reminder is “OK”.)1. Check horn reminder mode.*
*: Horn reminder can be changed.
First check the horn chirp setting.BL-67
2. Check horn function.BL-79
3. Check IPDM E/R operation.BL-78
4. Replace BCM.BCS-15