Nissan Maxima. Instruction — part 894
PCS-56
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2616 IGNITION RELAY CIRCUIT
B2616 IGNITION RELAY CIRCUIT
Description
INFOID:0000000010049437
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:0000000010049438
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.
-
CVT selector lever is in the P or N position
-
Release brake pedal
2. Check “Self diagnostic result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010049439
Regarding Wiring Diagram information, refer to
1.
CHECK IGNITION RELAY-2 POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect ignition relay-2.
3. Check voltage between ignition relay-2 harness connector and
ground under the following conditions.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> GO TO 2
2.
CHECK IGNITION RELAY-2 POWER SUPPLY CIRCUIT-1
1. Turn ignition switch OFF.
2. Disconnect BCM harness connector.
3. Check continuity between ignition relay-2 harness connector and BCM harness connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2616
Ignition relay circuit
An immediate operation of ignition relay-2 (fuse
block (J/B)) is requested by BCM, but there is no re-
sponse for more than 1 second
• Harness or connectors
(Ignition relay-2 circuit is open or
shorted)
• Ignition relay-2 (Fuse block (J/B))
Ignition relay-2
Ground
Condition
Voltage (V)
Terminal
1
Ground
Ignition switch OFF
or ACC
0
Ignition switch ON
Battery voltage
ALMIA0446ZZ
PCS
B2616 IGNITION RELAY CIRCUIT
PCS-57
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
4. Check continuity between ignition relay-2 harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6
NO
>> Repair or replace harness.
3.
CHECK IGNITION RELAY-2 GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between ignition relay-2 harness connector
and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK IGNITION RELAY-2 POWER SUPPLY CIRCUIT-2
Check voltage between ignition relay-2 harness connector and
ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Repair or replace harness.
5.
CHECK IGNITION RELAY-2
PCS-57, "Component Inspection (Ignition Relay-2)"
.
Is the inspection result normal?
YES
>> GO TO 6
NO
>> Replace ignition relay-2.
6.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
.
>> Inspection End.
Component Inspection (Ignition Relay-2)
INFOID:0000000010049440
1.
CHECK IGNITION RELAY-2
1. Turn ignition switch OFF.
2. Remove ignition relay-2.
Ignition relay-2
BCM
Continuity
Terminal
Connector
Terminal
1
M19
70
Yes
Ignition relay-2
Ground
Continuity
Terminal
1
Ground
No
Ignition relay-2
Ground
Continuity
Terminal
2
Ground
Yes
ALMIA0448ZZ
Ignition relay-2
Ground
Voltage (V)
Terminal
5
Ground
Battery voltage
ALMIA0449ZZ
PCS-58
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2616 IGNITION RELAY CIRCUIT
3. Check the continuity between ignition relay-2 terminals under
the following conditions.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace ignition relay-2.
Terminals
Condition
Continuity
3 and 5
12V direct current supply between terminals 1 and 2
Yes
No current supply
No
PBIB0098E
PCS
B2618 BCM
PCS-59
< 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:0000000010049441
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:0000000010049442
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.
-
CVT selector lever is in the P or N position
-
Release brake pedal
2. Check “Self diagnostic result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010049443
1.
INSPECTION START
1. Turn ignition switch ON.
2. Select “Self diagnostic result” mode with CONSULT.
3. Touch “ERASE”.
4. Perform DTC Confirmation Procedure.
.
Is the 1st trip DTC B2618 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
B2618
BCM
An immediate operation of ignition relay-1 (IPDM E/
R) is requested by BCM, but there is no response
for more than 1 second
• BCM
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