Infiniti EX35. Manual — part 1301
SEC-100
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B210A STEERING LOCK CONDITION SWITCH
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.
Is the inspection result normal?
YES
>> GO TO 10.
(+)
(–)
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
B210A STEERING LOCK CONDITION SWITCH
SEC-101
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
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 connector E5.
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 122.
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.
3.
Check continuity between steering lock unit harness connector and ground.
(+)
(–)
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-102
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B210A STEERING LOCK CONDITION SWITCH
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
B210B STARTER CONTROL RELAY
SEC-103
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B210B STARTER CONTROL RELAY
Description
INFOID:0000000003586615
Starter control relay, integrated in IPDM E/R, permits the starter relay operation when in N or P position and
the steering is locked or unlocked. It is installed in parallel with the starter relay.
DTC Logic
INFOID:0000000003586616
DTC DETECTION LOGIC
NOTE:
If DTC B210B is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn the power supply position to start under the following conditions and wait for at least 1 second.
-
Selector lever is in the P or N position.
-
Do not depress brake pedal.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
SEC-103, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003586617
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” for IPDM E/R with CONSULT-III.
3.
Touch “ERASE”.
4.
Perform DTC Confirmation Procedure.
See
Is the DTC B210B displayed again?
YES
>> Replace IPDM E/R. Refer
PCS-34, "Removal and Installation"
NO
>> INSPECTION END
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B210B
START CONT RLY
ON
IPDM E/R detects that the relay is stuck at ON po-
sition even if the followings condition are met for
about 1 second.
• Starter control relay ON/OFF signal from BCM
• Park neutral position (PNP) switch input signal
IPDM E/R
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