Infiniti G37 Coupe. Manual — part 1157
CLUTCH PEDAL POSITION SWITCH
SEC-125
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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1.
Disconnect BCM connector M122 and ASCD clutch switch connector.
2.
Check continuity between ASCD clutch switch harness connector and BCM harness connector.
3.
Check continuity between ASCD clutch switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair harness or connector.
5.
CHECK ASCD CLUTCH SWITCH
SEC-126, "Component Inspection (ASCD Clutch Switch)"
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Replace ASCD clutch switch.
6.
CHECK ICC CLUTCH SWITCH POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect ICC clutch switch connector.
3.
Check voltage between ICC clutch switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>>
Check the following.
• 10A fuse [No.3, located in the fuse block (J/B)]
• Harness for open or short between ICC clutch switch and fuse
7.
CHECK ICC CLUTCH SWITCH INPUT SIGNAL
1.
Disconnect ICC clutch switch connector.
2.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair harness or connector.
8.
CHECK CIRCUIT
1.
Disconnect BCM connector M122 and ICC clutch switch connector.
2.
Check continuity between ICC clutch switch harness connector and IPDM E/R harness connector.
ASCD clutch switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
E108
2
M122
99
Existed
ASCD clutch switch
Ground
Continuity
Connector
Terminal
E108
2
Not existed
(+)
(–)
Voltage (V)
ICC clutch switch
Connector
Terminal
E113
1
Ground
Battery voltage
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M122
99
Ground
Clutch pedal
Not depressed
Battery voltage
Depressed
0
SEC-126
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
CLUTCH PEDAL POSITION SWITCH
3.
Check continuity between ICC clutch switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair harness or connector.
9.
CHECK ICC CLUTCH SWITCH
SEC-126, "Component Inspection (ICC Clutch Switch)"
.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Replace ICC clutch switch.
10.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
>> INSPECTION END
Component Inspection (ASCD Clutch Switch)
INFOID:0000000001908949
1.
CHECK ASCD CLUTCH SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect ASCD clutch switch connector.
3.
Check continuity between ASCD clutch switch terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace ASCD clutch switch.
Component Inspection (ICC Clutch Switch)
INFOID:0000000001908950
1.
CHECK ICC CLUTCH SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect ICC clutch switch connector.
3.
Check continuity between ICC clutch switch terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace ICC clutch switch.
ICC clutch switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
E113
2
M122
99
Existed
ICC clutch switch
Ground
Continuity
Connector
Terminal
E113
2
Not existed
ASCD clutch switch
Condition
Continuity
Connector
Terminal
E108
1
2
Clutch pedal
Not depressed
Existed
Depressed
Not existed
ICC clutch switch
Condition
Continuity
Connector
Terminal
E113
1
2
Clutch pedal
Not depressed
Existed
Depressed
Not existed
KEY CYLINDER SWITCH
SEC-127
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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KEY CYLINDER SWITCH
Description
INFOID:0000000001700053
Power window main switch detects condition of the door key cylinder switch and transmits to BCM as the
LOCK or UNLOCK signals.
Component Function Check
INFOID:0000000001700054
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check (“KEY CYL LK-SW”, “KEY CYL UN-SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT-III. Refer to
DLK-51, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"
Is the inspection result normal?
YES
>> Key cylinder switch is OK.
NO
>> Refer to
SEC-127, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000001700055
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between power window main switch harness connector and ground.
Is the inspection result normal?
YES
>> Replace power window main switch. Refer to
PWC-92, "Removal and Installation"
NO
>> GO TO 2.
2.
CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect power window main switch connector and driver side door lock assembly (door key cylinder
switch) connector.
3.
Check continuity between power window main switch connector and driver side door lock assembly (door
key cylinder switch) connector.
4.
Check continuity between power window main switch connector and ground.
Monitor item
Condition
KEY CYL LK-SW
Lock
: ON
Neutral / Unlock
: OFF
KEY CYL UN-SW
Unlock
: ON
Neutral / Lock
: OFF
Terminals
Key position
Voltage (V)
(Approx.)
(+)
(–)
Power window main
switch connector
Terminal
D8
6
Ground
Lock
0
Neutral / Unlock
5
7
Unlock
0
Neutral / Lock
5
Power window main switch connec-
tor
Terminal
Driver side door lock assembly (door key cylinder
switch) connector
Terminal
Continuity
D8
6
D15
6
Existed
7
5
SEC-128
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
KEY CYLINDER SWITCH
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT
Check continuity between driver side door lock assembly connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK DOOR KEY CYLINDER SWITCH
Check door key cylinder switch.
Refer to
SEC-128, "Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> Replace driver side door lock assembly (door key cylinder switch). Refer to
LOCK : Removal and Installation"
.
Component Inspection
INFOID:0000000001700056
COMPONENT INSPECTION
1.
CHECK DOOR KEY CYLINDER SWITCH
Check driver side door lock assembly (door key cylinder switch).
Is the inspection result normal?
YES
>> Key cylinder switch is OK.
NO
>> Replace driver side door lock assembly (door key cylinder switch). Refer to
LOCK : Removal and Installation"
.
Power window main switch connec-
tor
Terminal
Ground
Continuity
D8
6
Not existed
7
Driver side door lock assembly connector
Terminal
Ground
Continuity
D15
4
Existed
Driver side door lock assembly (door key cylinder
switch)
Key position
Continuity
Terminal
5
4
Unlock
Existed
Neutral / Lock
Not existed
6
Lock
Existed
Neutral / Unlock
Not existed
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