Infiniti G37 Coupe. Manual — part 1156
KEY SLOT
SEC-121
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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KEY SLOT
Description
INFOID:0000000001840550
When the Intelligent Key battery is discharged, it performs the IVIS (NATS) ID verification between the inte-
grated transponder and BCM by inserting the Intelligent Key into the key slot, and then the engine can be
started.
Component Function Check
INFOID:0000000001840551
1.
CHECK FUNCTION
1.
Remove Intelligent Key battery from Intelligent Key.
2.
Chenge power supply position when Intelligent Key insert into key slot and then press push-button ignition
switch.
Is the inspection result normal?
YES
>> Key slot function is OK.
NO
>> Go to
SEC-121, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000001700049
1.
CHECK KEY SLOT POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect key slot connector.
3.
Check voltage between key slot harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace key slot power supply circuit.
2.
CHECK KEY SLOT GROUND CIRCUIT
Check continuity between key slot harness connector and ground.
Is the inspection result normal?
YES
>> Replace key slot.
NO
>> Repair or replace key slot ground circuit.
Key slot
Ground
Voltage (V)
(Approx.)
Connector
Terminal
M22
1
Ground
Battery voltage
5
Key slot
Ground
Continuity
Connector
Terminal
M22
7
Ground
Existed
SEC-122
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
KEY SLOT ILLUMINATION
KEY SLOT ILLUMINATION
Description
INFOID:0000000001700050
Blinks when Intelligent Key insertion is required.
Component Function Check
INFOID:0000000001700051
1.
CHECK FUNCTION
Check key slot illumination (“KEY SLOT ILLUMI”) Active Test mode.
Is the inspection result normal?
YES
>> Key slot function is OK.
NO
>> Refer to
SEC-122, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000001700052
1.
CHECK KEY SLOT ILLUMINATION OUTPUT SIGNAL
Check voltage between key slot harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK KEY SLOT POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect key slot connector.
3.
Check voltage between key slot harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace key slot power supply circuit.
3.
CHECK KEY SLOT GROUND CIRCUIT
Check continuity between key slot harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace key slot ground circuit.
Key slot
(–)
Condition
Key slot
illumination
Voltage (V)
(Approx.)
(+)
Connector
Terminal
M22
6
Ground
Insert Intelligent Key into
key slot
OFF
Battery voltage
Remove Intelligent Key
from key slot
ON
0
Key slot
(–)
Voltage (V)
(Approx.)
(+)
Connector
Terminal
M22
1
Ground
Battery voltage
5
Key slot
Ground
Continuity
Connector
Terminal
M22
7
Existed
KEY SLOT ILLUMINATION
SEC-123
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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4.
CHECK KEY SLOT CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector M122.
3.
Check continuity between BCM harness connector and key slot harness connector.
4.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace key slot. Refer to
SEC-227, "Removal and Installation"
NO
>> Repair or replace harness between BCM and key slot.
5.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
>> INSPECTION END.
BCM
Key slot
Continuity
Connector
Terminal
Key slot
connector
Terminal
M122
92
M22
6
Existed
BCM
Ground
Continuity
Connector
Terminal
M122
92
Not existed
SEC-124
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
CLUTCH PEDAL POSITION SWITCH
CLUTCH PEDAL POSITION SWITCH
Description
INFOID:0000000001908951
BCM confirms the shift position with the following 3 signals.
• Clutch interlock switch
• ASCD clutch switch or ICC clutch switch
• Clutch interlock switch signal from IPDM E/R (CAN)
Component Function Check
INFOID:0000000001908953
1.
CHECK FUNCTION
1.
Clutch pedal is depressed.
2.
Start the engine.
Does the engine start ?
YES
>> INSPECTION END
NO
>> Go to
SEC-129, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000001908948
1.
INSPECTION START
Check which type of system the vehicle is equipped with.
Which type of system?
ASCD >> GO TO 2.
ICC
>> GO TO 3.
2.
CHECK ASCD CLUTCH SWITCH POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect ASCD clutch switch connector.
3.
Check voltage between ASCD clutch switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>>
Check the following
• 10A fuse [No.3, located in fuse block (J/B)]
• Harness for open or short between ASCD clutch switch and fuse.
3.
CHECK ASCD CLUTCH SWITCH INPUT SIGNAL
1.
Connect ASCD clutch switch connector.
2.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
CHECK ASCD CLUTCH SWITCH CIRCUIT
(+)
(-)
Voltage [V]
ASCD clutch switch
Connector
Terminal
E108
1
Ground
Battery voltage
(+)
(-)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M122
99
Ground
Clutch pedal
Not depressed
Battery voltage
Depressed
0
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