Infiniti EX35. Manual — part 1295
S E C - 7 6
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2609 STEERING STATUS
2.
Disconnect steering lock unit connector and IPDM E/R connector E5.
3.
Check voltage between steering lock unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK STEERING LOCK UNIT CIRCUIT-1
1.
Disconnect BCM connector M122.
2.
Check continuity between steering lock unit harness connector and BCM harness connector.
3.
Check continuity between steering lock unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace harness or connector.
4.
CHECK IPDM E/R OUTPUT SIGNAL
1.
Connect IPDM E/R connector.
2.
Disconnect BCM connector M122.
3.
Check voltage between steering lock unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace steering lock unit.
NO
>> GO TO 5.
5.
CHECK STEERING LOCK UNIT CIRCUIT-2
1.
Disconnect IPDM E/R connector E5.
2.
Check continuity between steering lock unit harness connector and IPDM E/R harness connector.
3.
Check continuity between steering lock unit harness connector and ground.
(+)
(–)
Voltage (V)
(Approx.)
Steering lock unit
Connector
Terminal
M40
8
Ground
Battery voltage
Steering lock unit
BCM
Continuity
Connector
Terminal
Connector
Terminal
M40
8
M122
98
Existed
Steering lock unit
Ground
Continuity
Connector
Terminal
M40
8
Not existed
(+)
(–)
Voltage (V)
(Approx.)
Steering lock unit
Connector
Terminal
M40
8
Ground
Battery voltage
Steering lock unit
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
M40
8
E5
33
Existed
Steering lock unit
Ground
Continuity
Connector
Terminal
M40
8
Not existed
B2609 STEERING STATUS
SEC-77
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace harness or connector.
6.
CHECK BCM OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect steering lock unit connector and IPDM E/R E5 connector.
3.
Check voltage between steering lock unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 7.
7.
CHECK STEERING LOCK UNIT CIRCUIT-3
1.
Disconnect BCM connector M122.
2.
Check continuity between steering lock unit harness connector and BCM harness connector.
3.
Check continuity between steering lock unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace harness or connector.
8.
CHECK IPDM E/R OUTPUT SIGNAL
1.
Connect IPDM E/R connector.
2.
Disconnect BCM connector M122.
3.
Check voltage between steering lock unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace steering lock unit.
NO
>> GO TO 9.
9.
CHECK STEERING LOCK UNIT CIRCUIT-4
1.
Disconnect IPDM E/R connector E5.
2.
Check continuity between steering lock unit harness connector and IPDM E/R harness connector.
(+)
(–)
Voltage (V)
(Approx.)
Steering lock unit
Connector
Terminal
M40
3
Ground
Battery voltage
Steering lock unit
BCM
Continuity
Connector
Terminal
Connector
Terminal
M40
3
M122
97
Existed
Steering lock unit
Ground
Continuity
Connector
Terminal
M40
3
Not existed
(+)
(–)
Voltage (V)
(Approx.)
Steering lock unit
Connector
Terminal
M40
3
Ground
Battery voltage
Steering lock unit
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
M40
3
E5
32
Existed
SEC-78
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2609 STEERING STATUS
3.
Check continuity between steering lock unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace harness or connector.
10.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
>> INSPECTION END
Steering lock unit
Ground
Continuity
Connector
Terminal
M40
3
Not existed
B260B STEERING LOCK UNIT
SEC-79
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B260B STEERING LOCK UNIT
Description
INFOID:0000000003586573
The steering lock unit performs the check by itself according to the steering status.
DTC Logic
INFOID:0000000003586574
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press the push-button ignition switch, when steering is locked.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003586575
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” with CONSULT-III.
3.
Touch “ERASE”.
4.
Perform DTC Confirmation Procedure.
See
.
Is the DTC B260B displayed again?
YES
>> Replace steering lock unit.
NO
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B260B
STEERING LOCK UNIT
BCM detects malfunctioning of steering lock unit be-
fore steering unlocking.
Steering lock unit
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