Infiniti G37 Coupe. Manual — part 1149
B2612 STEERING STATUS
SEC-93
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
3.
Check continuity between steering lock unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair harness or connector.
10.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
>> INSPECTION END
Steering lock unit
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
M40
3
E5
32
Existed
Steering lock unit
Ground
Continuity
Connector
Terminal
M40
3
Ground
Not existed
SEC-94
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2617 STARTER RELAY CIRCUIT
B2617 STARTER RELAY CIRCUIT
Description
INFOID:0000000001700005
Located in IPDM E/R, it runs the starter motor. The starter relay is turned ON by the BCM when the ignition
switch is in START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN communication.
DTC Logic
INFOID:0000000001700006
DTC DETECTION LOGIC
NOTE:
• If DTC B2617 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B2617 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
.
• If DTC B2617 is displayed with DTC B2611, first perform the trouble diagnosis for DTC B2611. Refer to
.
• If DTC B2617 is displayed with DTC B210E for IPDM E/R, first perform the trouble diagnosis for DTC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON under the following conditions and wait for at least 1 second.
A/T models
-
A/T selector lever is in the P or N position
-
Do not depress brake pedal
M/T models
-
Do not depress clutch pedal
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001700007
1.
CHECK STARTER RELAY
1.
Turn ignition switch ON.
2.
Check voltage between BCM harness connector and ground under the following condition.
Is the measurement value within the specification.
YES
>> GO TO 3.
NO
>> GO TO 2.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2617
STARTER RELAY
CIRCUIT
An immediate operation of starter relay is request-
ed by BCM, but there is no response for more than
1 second
• Harness or connectors
(Starter relay circuit is open or short-
ed.)
• IPDM E/R
BCM
Ground
Condition
Voltage (V)
Connector
Terminal
M121
52
Ground
A/T selector lever
N or P position
Battery voltage
Other than above
0
Clutch pedal
Not depressed
0
Depressed
Battery voltage
B2617 STARTER RELAY CIRCUIT
SEC-95
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
2.
CHECK STARTER RELAY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector M121 and IPDM E/R connector E6.
3.
Check continuity between IPDM E/R harness connector and BCM harness connector.
4.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-34, "Removal and Installation"
.
NO
>> Repair harness or connector.
3.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
>> INSPECTION END
IPDM E/R
BCM
Continuity
Connector
Terminal
Connector
Terminal
E6
46
M121
52
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E6
46
Ground
Not existed
SEC-96
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2619 BCM
B2619 BCM
Description
INFOID:0000000001700008
BCM requests IPDM E/R to supply power to steering lock unit. After receiving the power, the steering lock unit
transmits an ON signal to BCM.
DTC Logic
INFOID:0000000001700009
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press the push-button ignition switch under the following conditions and wait for at least 1 second.
A/T models
-
A/T selector lever is in the P or N position
-
Do not depress brake pedal
M/T models
-
Do not depress clutch pedal
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001700010
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 B2619 displayed again?
YES
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
NO
>> INSPECTION END
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2619
BCM
BCM detects a mismatch between the power sup-
plied to the steering lock unit and the feedback for
one second or more.
• BCM
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