INTELLIGENT KEY SYSTEM
BL-105
< SERVICE INFORMATION >
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• If the following “symptoms” are detected, check systems shown in the ”Diagnoses/service procedure” col-
umn in this order.
ALL FUNCTIONS OF INTELLIGENT KEY SYSTEM DO NOT OPERATE
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-99,
"Trouble Diagnosis Procedure".
• Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
• “ENGINE START BY I-KEY” and “LOCK/UNLOCK BY I-KEY” are ON when setting on CONSULT-III.
• Mechanical key is out of ignition switch.
• Ignition switch is not depressed.
• All doors are closed.
• Intelligent key is registered.
DOOR LOCK/UNLOCK FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-99,
"Trouble Diagnosis Procedure".
• Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following “symptoms” are detected, check systems shown in the “Diagnosis/procedure” column in this
order.
Conditions of Vehicle (Operating Conditions)
• “LOCK/UNLOCK BY I-KEY” is ON when setting on CONSULT-III.
• Mechanical key is out of ignition switch.
• Ignition switch is not depressed.
• All doors are closed.
• Intelligent Key is registered.
Symptom Diagnosis/service procedure Reference page
Engine start condition check1. Check CVT device (park position switch).
(With CVT)BL-136
2. Check key interlock solenoid (with M/T).BL-133
3. Check stop lamp switch (With CVT).BL-134
4. Check stop lamp switch (with M/T).BL-135
Symptom Diagnosis/service procedure Reference page
All function of Intelligent Key system dose not
operate.1. Check Intelligent Key unit power supply and ground
circuit.BL-110
2. Check Intelligent Key battery inspection.BL-142
3. Replace Intelligent Key unit.BL-142
Symptom Diagnosis/service procedure Reference page
Door lock/unlock does not operate by all request
switches.1. Check door switch (hatchback).BL-114
2. Check door switch (sedan).BL-117
3. Check key switch.BL-110
4. Check ignition knob switch.BL-113
5. Replace Intelligent Key unit.BL-142
BL-106
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
REMOTE KEYLESS ENTRY FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-99,
"Trouble Diagnosis Procedure".
• Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
• Ignition switch is not depressed.
• All doors are closed.
Door lock/unlock does not operate by request
switch (driver side).1. Check door request switch (driver side).BL-1182. Check outside key antenna (driver side).BL-126
3. Replace Intelligent Key unit.BL-142
Door lock/unlock does not operate by request
switch (passenger side).1. Check door request switch (passenger side).BL-1182. Check outside key antenna (passenger side).BL-126
3. Replace Intelligent Key unit.BL-142
Door lock/unlock does not operate by back door
request switch (hatchback).1. Check back door request switch.BL-1202. Check outside key antenna (rear bumper).BL-128
3. Replace Intelligent Key unit.BL-142
Door lock/unlock does not operate by trunk
opener request switch (sedan).1. Check trunk opener request switch.BL-1222. Check outside key antenna (rear bumper).BL-128
3. Replace Intelligent Key unit.BL-142
Auto lock function does not operate.1. Check “AUTO RELOCK TIMER” setting in “WORK
SUPPORT”.BL-101
2. Replace Intelligent Key unit.BL-142
Key reminder function does not operate.1. Check door switch (hatchback).BL-114
2. Check door switch (sedan).BL-117
3. Check inside key antenna.BL-129
4. Check unlock sensor.BL-124
5. Check Intelligent Key battery.BL-142
6. Replace Intelligent Key unit.BL-142
Symptom Diagnosis/service procedure Reference page
Symptom Diagnosis/service procedureReference
page
All of the remote keyless entry functions do
not operate.1. Check Intelligent Key unit power supply and ground circuit.BL-110
2. Check key switch (BCM input).BL-112
3. Check Intelligent Key battery.BL-142
4. Remote Keyless Entry function inspection.BL-142
5. Replace Intelligent Key unit.BL-142
Auto lock function does not operate.1. Check “AUTO RELOCK TIMER” setting in “WORK SUPPORT”.BL-1012. Replace Intelligent Key unit.BL-142
INTELLIGENT KEY SYSTEM
BL-107
< SERVICE INFORMATION >
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HAZARD AND BUZZER REMINDER FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-99,
"Trouble Diagnosis Procedure".
• Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
• Ignition switch is not depressed.
• All doors are closed.
WARNING CHIME/BUZZER FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-99,
"Trouble Diagnosis Procedure".
Key reminder function does not operate.1. Check door switch (hatchback).BL-114
2. Check door switch (sedan).BL-117
3. Check inside key antenna.BL-129
4. Check unlock sensor.BL-124
5. Check Intelligent Key battery.BL-142
6. Replace Intelligent Key unit.BL-142
Panic alarm function does not operate.1. Check “PANIC ALARM DELAY” setting in “WORK SUPPORT”.BL-101
2. Check Intelligent Key battery inspection.BL-142
3. Check horn function.BL-140
4. Check headlamp function.BL-141
5. Check key switch.BL-110
6. Check ignition knob switch.BL-113
7. Replace Intelligent Key unit.BL-142
Symptom Diagnosis/service procedureReference
page
Symptom Diagnosis/service procedure Reference page
Hazard reminder does not operate by request
switch.
(Buzzer reminder operate).1. Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.BL-101
2. Check hazard function with hazard switch.BL-140
3. Replace Intelligent Key unit.BL-142
Buzzer reminder does
not operate by request
switch.
(Hazard reminder oper-
ates).Intelligent Key
warning buzzer
does not operate.1. Check “ANSER BACK WITH I-KEY LOCK” or “ANSER
BACK WITH I-KEY UNLOCK” setting in “WORK SUP-
PORT”.BL-101
2. Check Intelligent Key warning buzzer(s).BL-125
3. Replace Intelligent Key unit.BL-142
Hazard reminder does not operate by Intelli-
gent Key (door lock/unlock button).
(Buzzer reminder operates properly).1. Check “HAZARD ANSWER BACK” setting in “WORK
SUPPORT”.BL-101
2. Check hazard function with hazard switch.BL-140
3. Replace Intelligent Key.BL-142
Buzzer reminder does
not operate by Intelligent
Key (door lock/unlock
button).
(Hazard reminder oper-
ates).Intelligent Key
warning buzzer
does not operate.1. Check “HORN WITH KEYLESS LOCK” setting in “WORK
SUPPORT”.BL-101
2. Check Intelligent Key warning buzzer(s).BL-125
3. Replace Intelligent Key unit.BL-142
BL-108
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
• Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
• If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
Conditions of Vehicle (Operating Conditions)
Warning chime/buzzer functions operating condition is extremely complicated, during operating confirmations,
reconfirm the list above twice in order to ensure proper operation.
Symptom Diagnosis/service procedure Reference page
Ignition switch warning chime does not oper-
ate.1. Check ignition knob switch.BL-113
2. Check door switch (hatchback).BL-114
3. Check door switch (sedan).BL-117
4. Check key switch.BL-110
5. Check Intelligent Key warning chime.BL-140
6. Replace Intelligent Key unit.BL-142
Ignition key warning chime does not operate.
(When mechanical key used).1. Check key switch (Intelligent Key unit input).BL-110
2. Check key switch (BCM input).BL-112
3. Check door switch (hatchback).BL-114
4. Check door switch (sedan).BL-117
5. Check Intelligent Key warning chime.BL-140
6. Replace Intelligent Key unit.BL-142
OFF position warning chime (For internal)
does not operate.1. Check ignition switch position.BL-134
2. Check ignition knob switch.BL-113
3. Check key switch.BL-110
4. Check combination meter warning chime.BL-140
5. Replace Intelligent Key unit.BL-142
OFF position warning
chime/buzzer (for ex-
ternal) does not oper-
ate.Both Intelligent Key
warning chime and
buzzer do not oper-
ate.1. Check ignition switch position.BL-134
2. Check ignition knob switch.BL-113
3. Check key switch.BL-110
4. Check Intelligent Key warning chime.BL-140
5. Check Intelligent Key warning buzzer(s).BL-125
6. Replace Intelligent Key unit.BL-142
Intelligent Key warn-
ing buzzer does not
operate.Check Intelligent Key warning buzzer(s).BL-125
Take away warning
chime/buzzer (door
open to close) does
not operate.Both Intelligent Key
warning chime and
buzzer do not oper-
ate.1. Check door switch (hatchback).BL-114
2. Check door switch (sedan).BL-117
3. Check inside key antenna.BL-129
4. Check key switch.BL-110
5. Check Intelligent Key warning chime.BL-125
6. Check Intelligent Key warning buzzer(s).BL-125
7. Replace Intelligent Key unit.BL-142
Intelligent Key warn-
ing buzzer does not
operate.Check Intelligent Key warning buzzer(s).BL-125
INTELLIGENT KEY SYSTEM
BL-109
< SERVICE INFORMATION >
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PWARNING LAMP FUNCTION MALFUNCTION
NOTE:
• Before performing the diagnosis in the following table, check “Trouble Diagnosis Procedure”. Refer to BL-99,
"Trouble Diagnosis Procedure".
• If the following “symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column
in this order.
CAN Communication System InspectionINFOID:0000000001704013
1.CHECK SELF-DIAGNOSTIC RESULTS
Take away warning chime (through window)
does not operate.1.Check “TAKE OUT FROM WINDOW WARN” setting in
“WORK SUPPORT”.BL-101
2. Check inside key antenna.BL-129
3. Check key switch.BL-110
4. Check Intelligent Key battery.BL-142
5. Check Intelligent Key warning chime.BL-140
6. Replace Intelligent Key unit.BL-142
Door lock operation warning buzzer does not
operate.1. Check door switch (hatchback).BL-114
2. Check door switch (sedan).BL-117
3. Check ignition knob switch.BL-113
4. Check door request switch.BL-118
5. Check back door request switch (hatchback).BL-120
6. Check trunk opener request switch (sedan).BL-122
7. Check outside key antenna (driver side and passenger side).BL-126
8. Check outside key antenna (rear bumper).BL-128
9. Check inside key antenna.BL-129
10. Check Intelligent Key warning buzzer(s).BL-125
11. Replace Intelligent Key unit.BL-142
One warning buzzer does not operate (se-
dan).Check Intelligent Key warning buzzer(s).BL-125
Symptom Diagnosis/service procedure Reference page
Symptom Diagnosis/service procedure Reference page
When Intelligent Key low battery warning operate, “KEY”
warning lamp (green) does not illuminate.1.Check “LOW BAT OF KEY FOB WARN” set-
ting in “WORK SUPPORT”.BL-101
2. Check Intelligent Key battery.BL-142
3. Check KEY warning lamp (green).BL-139
4. Replace Intelligent Key unit.BL-142
P position warning lamp does not illuminate properly.
(With CVT)1. Check CVT device (park position switch).BL-1362. Check “P-SHIFT” warning lamp (red).BL-138
3. Replace Intelligent Key unit.BL-142
LOCK warning lamp does not illuminate properly.
(With M/T)1. Check key interlock solenoid.BL-1332. Check "LOCK" warning lamp.BL-138
3. Replace Intelligent Key unit.BL-142
Take away warning lamp does not illuminate properly.
(Take away warning chime is operated).1. Check KEY warning lamp (red).BL-142
2. Replace Intelligent Key unit.BL-142
Ignition switch warning lamp does not illuminate properly.
(Ignition switch warning chime is operated).1. Check KEY warning lamp (red).BL-139
2. Replace Intelligent Key unit.BL-142
BL-114
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
OK or NG
OK >> GO TO 3.
NG >> Repair or replace key switch and ignition knob switch
power supply circuit.
3.CHECK IGNITION KNOB SWITCH
Check continuity of ignition knob switch.
OK or NG
OK >> GO TO 4.
NG >> Replace key switch and ignition knob switch.
4.CHECK IGNITION KNOB SWITCH CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector (A) terminal 27 and key switch and ignition knob
switch connector (B) terminal 3.
3. Check continuity between Intelligent Key unit connector (A) ter-
minal 27 and ground.
OK or NG
OK >> Check the condition of harness and harness connector.
NG >> Repair or replace harness between Intelligent Key unit and key switch and ignition knob switch.
Door Switch Check (Hatchback)INFOID:0000000001704018
1.CHECK DOOR SWITCHES INPUT SIGNAL
With CONSULT-III
Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR", "BACK DOOR
SW") in DATA MONITOR mode with CONSULT–III. Refer to BL-36, "
CONSULT-III Function (BCM)".
• When doors are open:
Te r m i n a l s
Voltage (V)
(Approx.) (+)
(–) Key switch and ig-
nition knob switch
connectorTe r m i n a l
M73 4 Ground Battery voltage
PIIB6603E
Te r m i n a l
Condition of key
switchContinuity
Key switch and ignition knob switch
34Ignition switch is
pressedYe s
Ignition switch is
releasedNo
PIIB6604E
AB
Continuity
Intelligent Key unit
connectorTe r m i n a lKey switch and ig-
nition knob switch
connectorTe r m i n a l
M52 27 M73 3 Yes
A
GroundContinuity
Intelligent Key unit connector Terminal
M52 27 No
PIIB6605E
INTELLIGENT KEY SYSTEM
BL-115
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• When doors are closed:
Without CONSULT-III
Check voltage between BCM connector M18 or M19 terminals 12, 13, 43, 47, 48 and ground.
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2.
2.CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM.
3. Check continuity between door switch connector (B) B8 (front LH), B108 (front RH) terminal 2 or (C) B6
(rear LH), B116 (rear RH) terminal 1 or back door lock assembly connector (D) D405 terminal 3 and BCM
connectors (A) M18, M19 terminals 12, 13, 43, 47 and 48. DOOR SW-DR : ON
DOOR SW-AS : ON
DOOR SW-RL : ON
DOOR SW-RR : ON
BACK DOOR SW : ON
DOOR SW-DR : OFF
DOOR SW-AS : OFF
DOOR SW-RL : OFF
DOOR SW-RR : OFF
BACK DOOR SW : OFF
Connector ItemTe r m i n a l s
ConditionVoltage (V)
(Approx.)
( + ) ( – )
M18Front door
switch RH12
GroundOpen
↓
Closed0
↓
Battery voltage Rear door
switch RH13
M19Back door
switch43
Front door
switch LH47
Rear door
switch LH48
LIIA1041E
BL-116
< SERVICE INFORMATION >
INTELLIGENT KEY SYSTEM
4. Check continuity between door switch connector (B) B8 (front
LH), B108 (front RH) terminal 2 or (C) B6 (rear LH), B116 (rear
RH) terminal 1 or back door lock assembly connector (D) D405
terminal 3 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK DOOR SWITCHES
FRONT AND REAR DOORS
Check continuity between front door switch terminal 2 or rear door
switch terminal 1 and exposed metal of switch while pressing and
releasing switch.
BACK DOOR
Check continuity between back door lock assembly connector (back
door switch) terminals 3 and 4 while pressing (closing back door)
and releasing (opening back door) switch.
OK or NG
OK1 >> (Front and rear doors) Switch circuit is OK.
OK2 >> (Back door) GO TO 4.
NG >> Replace door switch.
4.CHECK BACK DOOR SWITCH GROUND1 - 13 : Continuity should exist.
1 - 48 : Continuity should exist.
2 - 12 : Continuity should exist.
2 - 47 : Continuity should exist.
3 - 43 : Continuity should exist.
1 - Ground : Continuity should not exist.
2 - Ground : Continuity should not exist.
3 - Ground : Continuity should not exist.
WIIA1244E
Door switch is released : Continuity should exist.
Door switch is pushed : Continuity should not exist.
PIIB6899E
When back door is open : Continuity should exist.
When back door is closed : Continuity should not exist.
WIIA1245E