Nissan Qashqai (2007-2010). Manual — part 1212
SEC-48
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
KEY SWITCH
KEY SWITCH
Description
INFOID:0000000001094466
Key switch detects that mechanical key is inserted into the key cylinder, and then transmits the signal to BCM
and Intelligent Key unit.
Component Function Check
INFOID:0000000001094467
1.
CHECK KEY SWITCH INPUT SIGNAL
Check key switch (“KEY SW”) in “DATA MONITOR” mode with CONSULT-III. Refer to
: CONSULT-III Function (BCM - DOOR LOCK)"
.
Is the inspection result normal?
YES
>> Key switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000001094468
1.
CHECK KEY SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect Intelligent Key unit and BCM connector.
3.
Check voltage between Intelligent Key unit harness connector and ground.
4.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
NO
>> GO TO 2.
2.
CHECK KEY SWITCH POWER SUPPLY CIRCUIT
1.
Remove mechanical key from key cylinder.
2.
Disconnect key switch connector.
3.
Check voltage between key switch harness connector and ground.
Monitor item
Condition
KEY SW
Insert mechanical key into key cylinder
: ON
Remove mechanical key from key cylinder
: OFF
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key unit con-
nector
Terminal
M40
7
Ground
Insert mechanical key into key
cylinder
Battery voltage
Remove mechanical key from
key cylinder
0
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
BCM connector
Terminal
M65
36
Ground
Insert mechanical key into key
cylinder
Battery voltage
Remove mechanical key from
key cylinder
0
KEY SWITCH
SEC-49
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK KEY SWITCH SIGNAL CIRCUIT
1.
Check continuity between Intelligent Key unit harness connector and key switch connector.
2.
Check continuity between BCM harness connector and key switch connector.
3.
Check continuity between key switch connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK KEY SWITCH
Check key switch function.
Refer to
SEC-49, "Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
NO
>> Replace key switch.
Component Inspection
INFOID:0000000001094469
COMPONENT INSPECTION
1.
CHECK KEY SWITCH
Check continuity between key switch terminals.
Is the inspection result normal?
YES
>> Key switch is OK.
NO
>> Replace key switch.
Terminals
Voltage (V)
(Approx.)
(+)
(–)
Key switch connector
Terminal
M25
2
Ground
Battery voltage
Intelligent Key unit connector
Terminal
Key switch connector
Terminal
Continuity
M40
7
M25
1
Exists
BCM connector
Terminal
Key switch connector
Terminal
Continuity
M65
36
M25
1
Exists
Key switch connector
Terminal
Ground
Continuity
M25
1
Ground
Does not exist
Terminal
Condition
Continuity
key switch connector
1
2
Insert mechanical key into key cylinder
Exists
Remove mechanical key from key cylinder
Does not exist
SEC-50
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
IGNITION KNOB SWITCH
IGNITION KNOB SWITCH
Description
INFOID:0000000001094769
Ignition knob switch detects that ignition knob is pressed, and then transmits the signal to Intelligent Key unit.
Component Function Check
INFOID:0000000001094773
1.
CHECK IGNITION KNOB SWITCH INPUT SIGNAL
Check ignition knob switch (“PUSH SW”) in “DATA MONITOR” mode with CONSULT-III. Refer to
"DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"
.
Is the inspection result normal?
YES
>> Ignition knob switch is OK.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000001096673
1.
CHECK IGNITION KNOB SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect Intelligent Key unit and BCM connector.
3.
Check voltage between Intelligent Key unit harness connector and ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
NO
>> GO TO 2.
2.
CHECK IGNITION KNOB SWITCH POWER SUPPLY CIRCUIT
1.
Disconnect ignition knob switch connector.
2.
Check voltage between ignition knob switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK IGNITION KNOB SWITCH SIGNAL CIRCUIT
1.
Check continuity between Intelligent Key unit harness connector and ignition knob switch connector.
Monitor item
Condition
PUSH SW
Ignition knob switch is pressed
: ON
Ignition knob switch is released
: OFF
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key unit con-
nector
Terminal
M40
27
Ground
Ignition knob switch is pressed
Battery voltage
Ignition knob switch is released
0
Terminals
Voltage (V)
(Approx.)
(+)
(–)
Ignition knob switch connector
Terminal
M25
4
Ground
Battery voltage
Intelligent Key unit connector
Terminal
Ignition knob switch connector
Terminal
Continuity
M40
27
M25
3
Exists
IGNITION KNOB SWITCH
SEC-51
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
2.
Check continuity between ignition knob switch connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK IGNITION KNOB SWITCH
Check ignition knob switch function.
Refer to
SEC-49, "Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
NO
>> Replace ignition knob switch.
Component Inspection
INFOID:0000000001094772
1.
CHECK IGNITION KNOB SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect ignition knob switch harness connector.
3.
Check continuity between ignition knob switch terminals under the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Replace ignition knob switch.
Ignition knob switch connector
Terminal
Ground
Continuity
M25
3
Does not exist
Ignition knob switch
Condition
Continuity
Connector
Terminal
M25
3
4
Ignition knob switch is pressed
Exists
Ignition knob switch is released
Does not exist
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