Nissan Murano Z51. Instruction — part 1079
PCS-58
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2616 IGNITION RELAY CIRCUIT
B2616 IGNITION RELAY CIRCUIT
Description
INFOID:0000000005516984
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:0000000005516985
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON 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:0000000005516986
1.
CHECK IGNITION RELAY POWER SUPPLY-1
1.
Turn ignition switch OFF.
2.
Disconnect ignition relay.
3.
Check voltage between ignition relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK IGNITION RELAY POWER SUPPLY-2
1.
Disconnect fuse block (J/B) connector.
2.
Check voltage between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2616
Ignition relay circuit
An immediate operation of ignition relay (fuse
block) is requested by BCM, but there is no re-
sponse for more than 1 second
• Harness or connectors
(Ignition relay circuit is open or
shorted)
• Ignition relay (Fuse block)
(+)
(–)
Condition
Voltage (V)
(Approx.)
Ignition relay
Terminal
1
Ground
Ignition switch
OFF or ACC
0
ON
Battery voltage
(+)
(–)
Condition
Voltage (V)
(Approx.)
Fuse block (J/B)
Connector
Terminal
M3
6C
Ground
Ignition switch
OFF or ACC
0
ON
Battery voltage
PCS
B2616 IGNITION RELAY CIRCUIT
PCS-59
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
YES
>> Replace fuse block (J/B).
NO
>> GO TO 3.
3.
CHECK IGNITION RELAY POWER SUPPLY CIRCUIT-1
1.
Disconnect BCM connector.
2.
Check continuity between fuse block (J/B) harness connector and BCM harness connector.
3.
Check continuity between fuse block (J/B) harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-95, "Removal and Installation"
.
NO
>> Repair or replace harness.
4.
CHECK IGNITION RELAY GROUND CIRCUIT
Check continuity between ignition relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair ignition relay ground circuit.
5.
CHECK IGNITION RELAY POWER SUPPLY CIRCUIT-2
1.
Connect ignition relay.
2.
Turn ignition switch ON.
3.
Check voltage between ignition relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 6.
6.
CHECK IGNITION RELAY
PCS-60, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace fuse block (J/B).
NO
>> Replace ignition relay. Refer to
PG-113, "Fuse, Connector and Terminal Arrangement"
.
7.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
.
>> INSPECTION END
Fuse block (J/B)
BCM
Continuity
Connector
Terminal
Connector
Terminal
M3
6C
M122
82
Existed
Fuse block (J/B)
Ground
Continuity
Connector
Terminal
M3
6C
Not existed
Ignition relay
Ground
Continuity
Terminal
2
Existed
(+)
(–)
Voltage (V)
(Approx.)
Ignition relay
Terminal
5
Ground
Battery voltage
PCS-60
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2616 IGNITION RELAY CIRCUIT
Component Inspection
INFOID:0000000005516987
1.
CHECK IGNITION RELAY
1.
Turn ignition switch OFF.
2.
Remove ignition relay.
3.
Check the continuity between ignition relay terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace Ignition relay. Refer to
Terminals
Condition
Continuity
3 and 5
12 V direct current supply between terminals 1 and 2
Existed
No current supply
Not existed
PBIB0098E
PCS
B2618 BCM
PCS-61
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2618 BCM
Description
INFOID:0000000005516988
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:0000000005516989
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.
-
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:0000000005516990
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. Refer to
BCS-95, "Removal and Installation"
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
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