Nissan Teana J32. Manual — part 861
PCS-50
< COMPONENT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2553 IGNITION RELAY
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK IGNITION RELAY FEEDBACK CIRCUIT
1.
Disconnect fuse block (J/B) connector.
2.
Check continuity between BCM harness connector and fuse block (J/B) harness connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK INTERMITTENT INCIDENT
GI-35, "Intermittent Incident"
>> INSPECTION END
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M123
123
Ground
Ignition switch
OFF
0
ON
Battery voltage
BCM
FUSE BLOCK (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M123
123
M1
2A
Existed
BCM
Ground
Continuity
Connector
Terminal
M123
123
Not existed
PCS
B260A IGNITION RELAY
PCS-51
< COMPONENT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B260A IGNITION RELAY
Description
INFOID:0000000003805737
When the ignition switch is turned ON, the BCM activates the following relays to provide power supply to each
ECU.
• Ignition relay (inserted into fuse block)
• Ignition relay (built into IPDM E/R)
• Blower fan motor relay
BCM checks any ignition relay ON request for consistency with the actual ignition relay operation status.
DTC Logic
INFOID:0000000003805738
DTC DETECTION LOGIC
NOTE:
• If DTC B260A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B260A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
• If DTC B260A is displayed with DTC B261A, first perform the trouble diagnosis for DTC B261A. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON under the following conditions, and wait for at least 2 seconds.
-
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:0000000003805739
1.
CHECK DTC WITH IPDM E/R
Check “Self diagnostic result” with CONSULT-III. Refer to
.
Is DTC detected?
YES
>> Repair or replace the malfunctioning parts.
NO
>> GO TO 2.
2.
CHECK IGNITION RELAY INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B260A
IGNITION RELAY
BCM detects a difference of signal for 2 seconds or
more between the following information.
• Ignition relay (IPDM E/R) operation request
• Ignition relay feedback from IPDM E/R (CAN).
• Harness or connectors
(Ignition relay operation circuit is
open or shorted.)
• IPDM E/R
(+)
(–)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M121
47
Ground
Battery voltage
PCS-52
< COMPONENT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B260A IGNITION RELAY
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK IGNITION RELAY (IPDM E/R) CIRCUIT
1.
Disconnect IPDM E/R connector.
2.
Check continuity between IPDM E/R harness connector and BCM harness connector.
3.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK INTERMITTENT INCIDENT
GI-35, "Intermittent Incident"
>> INSPECTION END
IPDM E/R
BCM
Continuity
Connector
Terminal
Connector
Terminal
E10
27
M121
47
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E10
27
Not existed
PCS
B2614 ACC RELAY
PCS-53
< COMPONENT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2614 ACC RELAY
Description
INFOID:0000000003805740
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:0000000003805741
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn the power supply position to ACC 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:0000000003805742
1.
CHECK ACCESSORY RELAY POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect accessory relay.
3.
Check voltage between accessory relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between accessory relay harness connector and BCM harness connector.
4.
Check continuity between accessory relay harness connector and ground.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2614
ACC relay
An immediate operation of ACC relay is requested
by BCM, but there is no response for more than 1
second.
• Harness or connectors
(ACC relay circuit is open or short-
ed)
• ACC relay
(+)
(–)
Condition
Voltage (V)
(Approx.)
Accessory relay
Terminal
1
Ground
Ignition switch
OFF
0
ACC
Battery voltage
Accessory relay
BCM
Continuity
Terminal
Connector
Terminal
1
M122
95
Existed
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