Infiniti G35 (V35) Sedan. Manual — part 1002
PCS-62
< COMPONENT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2616 IGNITION RELAY CIRCUIT
3.
Check the continuity between ignition relay terminals under the
following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace ICC brake hold relay
Terminals
Condition
Continuity
3 and 5
12V direct current supply between terminals 1 and 2
Existed
No current supply
Not existed
PBIB0098E
PCS
B2618 BCM
PCS-63
< COMPONENT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2618 BCM
Description
INFOID:0000000000964235
BCM controls the various electrical components and simultaneously supplies power according to the power
supply position.
BCM checks the power supply position internally.
DTC Logic
INFOID:0000000000964236
DTC DETECTION LOGIC
NOTE:
• If DTC B2618 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2618 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
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 selector lever is in the P or N position
-
Release brake pedal
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000000964237
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Select “Self diagnostic result” mode with CONSULT-III.
3.
Touch “ERASE”.
4.
Perform DTC Confirmation Procedure.
See
.
Is the 1st trip DTC B2618 displayed again?
YES
>> Replace BCM.
NO
>> INSPECTION END
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2618
BCM
An immediate operation of ignition relay (IPDM E/
R) is requested by BCM, but there is no response
for more than 1 second
• BCM
PCS-64
< COMPONENT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B261A PUSH-BUTTON IGNITION SWITCH
B261A PUSH-BUTTON IGNITION SWITCH
Description
INFOID:0000000000964238
BCM transmits the change in the power supply position with the push-button ignition switch to IPDM E/R via
the CAN communication line. IPDM E/R transmits the power supply position status via CAN communication
line to BCM.
DTC Logic
INFOID:0000000000964239
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 selector lever is in the P or N position.
-
Release the brake pedal.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000000964240
1.
CHECK PUSH-BUTTON IGNITION SWITCH OPERATION
Press push-button ignition switch and check if it turns to ON.
Does ignition switch turn to ON?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK IGNITION SWITCH OUTPUT SIGNAL (IPDM E/R)
1.
Disconnect push-button ignition switch harness connector.
2.
Check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace IPDM E/R. Refer to
PCS-33, "Removal and Installation"
3.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)
1.
Disconnect IPDM E/R harness connector E5 and BCM harness connector M122.
2.
Check continuity between IPDM E/R harness connector and push-button ignition switch harness connec-
tor.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B261A
PUSH-BUTTON IG-
NITION SWITCH
BCM detects a difference of signal for 1 second or
more between the following information.
• Power supply position by push-button ignition
switch
• Power supply position from IPDM E/R (CAN)
• Harness or connectors
(Push-button ignition switch circuit
is open or shorted.)
IPDM E/R
Ground
Voltage [V]
Connector
Terminal
E5
28
Ground
Battery voltage
PCS
B261A PUSH-BUTTON IGNITION SWITCH
PCS-65
< COMPONENT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
3.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair harness or connector.
4.
CHECK IGNITION SWITCH OUTPUT SIGNAL (BCM)
1.
Disconnect push-button ignition switch harness connector.
2.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
5.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)
1.
Disconnect BCM harness connector and IPDM E/R harness connector.
2.
Check continuity between BCM harness connector and push-button ignition switch harness connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair harness or connector.
6.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
.
>> INSPECTION END
IPDM E/R
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
E5
28
M50
4
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E5
28
Ground
Not existed
BCM
Ground
Voltage [V]
Connector
Terminal
M122
89
Ground
Battery voltage
BCM
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
M122
89
M50
4
Existed
BCM
Ground
Continuity
Connector
Terminal
M122
89
Ground
Not existed
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