Infiniti EX35. Manual — part 1304
SEC-112
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000003586633
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair or replace harness or connector.
IPDM E/R
IPDM E/R : Diagnosis Procedure
INFOID:0000000003586634
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible links are not blown.
Is the fuse fusing?
Signal name
Fuse and fusible link No.
Battery power supply
K
10
(+)
(
−
)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M118
1
Ground
Battery voltage
M119
11
M123
116
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
Signal name
Fuses and fusible link No.
Battery power supply
48
50
51
POWER SUPPLY AND GROUND CIRCUIT
SEC-113
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check voltage between IPDM E/R harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between IPDM E/R harness connectors and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
(+)
(
−
)
Voltage
(Approx.)
IPDM E/R
Connector
Terminal
E4
1
Ground
Battery voltage
IPDM E/R
Ground
Continuity
Connector
Terminal
E5
12
Existed
E6
41
SEC-114
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
HOOD SWITCH
HOOD SWITCH
Description
INFOID:0000000003674378
Hood switch is built into hood lock (RH) and connected to IPDM E/R which detects the open/close condition of
hood.
Component Function Check
INFOID:0000000003674379
1.
CHECK FUNCTION
1.
Select “HOOD SW” in “Data Monitor” mode with CONSULT-III.
2.
Check the hood switch signal under the following condition.
Is the indication normal?
YES
>> Hood switch is OK.
NO
>> Go to
SEC-114, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000003674380
1.
CHECK HOOD SWITCH SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK HOOD SWITCH CIRCUIT
1.
Disconnect IPDM E/R connector E9 and hood switch connector.
2.
Check continuity between IPDM E/R harness connector and hood switch harness connector.
3.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK IPDM E/R OUTPUT
1.
Connect IPDM E/R connector.
2.
Check voltage between IPDM E/R harness connector and ground.
Test item
Condition
Status
HOOD SW
Hood
Open
ON
Close
OFF
(+)
(–)
Condition
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
E9
104
Ground
Hood
Open
0
Close
Battery voltage
IPDM E/R
Hood switch
Continuity
Connector
Terminal
Connector
Terminal
E9
104
E30
2
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E9
104
Not existed
HOOD SWITCH
SEC-115
< COMPONENT DIAGNOSIS >
[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 4.
NO
>> Replace IPDM E/R. Refer to
PCS-34, "Removal and Installation"
.
4.
CHECK HOOD SWITCH
SEC-115, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace hood switch.
5.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000003674381
1.
CHECK HOOD SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect hood switch connector.
3.
Check continuity between hood switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace hood lock (RH).
(+)
(–)
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
E9
104
Ground
Battery voltage
Hood switch
Condition
Continuity
Terminal
1
2
Hood switch
Press
Not existed
Release
Existed
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