Infiniti FX35, FX50 (S51). Manual — part 1670
B2617 STARTER RELAY CIRCUIT
SEC-93
< DTC/CIRCUIT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
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 or replace harness.
3.
CHECK INTERMITTENT INCIDENT
GI-36, "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
Not existed
SEC-94
< DTC/CIRCUIT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2619 BCM
B2619 BCM
Description
INFOID:0000000005249527
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:0000000005249528
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.
-
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
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005249529
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-83, "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 supplied to the
steering lock unit and the feedback for one second or more.
BCM
B261A PUSH-BUTTON IGNITION SWITCH
SEC-95
< DTC/CIRCUIT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B261A PUSH-BUTTON IGNITION SWITCH
Description
INFOID:0000000005249530
BCM transmits the change in the power supply position with the push-button ignition switch to IPDM E/R via
CAN communication. IPDM E/R transmits the power supply position status via CAN communication to BCM.
DTC Logic
INFOID:0000000005249531
DTC DETECTION LOGIC
NOTE:
• If DTC B261A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B261A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE 1
1.
Press push-button ignition switch for 1 second under the following condition.
-
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
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE 2
1.
Insert Intelligent Key into the key slot.
2.
Press the push-button ignition switch 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.
3.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005249532
1.
INSPECTION START
Check the case in which DTC is detected.
• Case1: It is detected when push-button ignition switch is pressed for 1 second
• Case2: It is detected after Intelligent Key is inserted into key slot and push-button ignition switch is pressed
In which case is DTC detected?
Case1 >> GO TO 2.
Case2 >> GO TO 4.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B261A
PUSH-BTN IGNI
SW
BCM detects the difference between the following for
1 second or more
• Power supply position with push-button ignition
switch
• Power supply position from IPDM E/R (CAN)
Harness or connectors
(Push-button ignition switch circuit is
open or shorted)
• Between BCM and push-button igni-
tion switch
• Between IPDM E/R and push-button
ignition switch
• IPDM E/R
• BCM
SEC-96
< DTC/CIRCUIT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B261A PUSH-BUTTON IGNITION SWITCH
2.
CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL 1
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector and IPDM E/R connector E5.
3.
Check voltage between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 3.
3.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 1
1.
Disconnect BCM connector M122.
2.
Check continuity between push-button ignition switch harness connector and BCM harness connector.
3.
Check continuity between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-83, "Removal and Installation"
NO
>> Repair or replace harness.
4.
CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL 2
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector and BCM connector M122.
3.
Check voltage between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 2
1.
Disconnect IPDM E/R connector E5.
2.
Check continuity between push-button ignition switch harness connector and IPDM E/R harness connec-
tor.
3.
Check continuity between push-button ignition switch harness connector and ground.
(+)
(–)
Voltage (V)
(Approx.)
Push-button ignition switch
Connector
Terminal
M50
4
Ground
Battery voltage
Push-button ignition switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
M50
4
M122
89
Existed
Push-button ignition switch
Ground
Continuity
Connector
Terminal
M50
4
Not existed
(+)
(–)
Voltage (V)
(Approx.)
Push-button ignition switch
Connector
Terminal
M50
4
Ground
Battery voltage
Push-button ignition switch
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
M50
4
E5
28
Existed
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