2008 NISSAN TEANA Service Manual

odometer run flat brake pads replacement high beam oil additives height

Page 3441 of 5121

NISSAN TEANA 2008 Service Manual 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 fus

Page 3442 of 5121

NISSAN TEANA 2008 Service Manual 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
DescriptionINFOID:0000000003805737
When the ignition switch is tur

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
DescriptionINFOID: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 LogicINFOID:0000000003805738
DTC DETECTION LOGIC
NOTE:
If DTC B260A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
PCS-46, "
BCM : DTC Logic".
If DTC B260A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
PCS-48, "
BCM : DTC Logic".
If DTC B260A is displayed with DTC B261A, first perform the trouble diagnosis for DTC B261A. Refer to
PCS-60, "
DTC Logic".
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 PCS-51, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003805739
1.CHECK DTC WITH IPDM E/R
Check “Self diagnostic result” with CONSULT-III. Refer to PCS-120, "
DTCIndex".
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
nameDTC detecting condition Possible cause
B260A IGNITION RELAYBCM 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

Page 3443 of 5121

NISSAN TEANA 2008 Service Manual 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 conti

Page 3444 of 5121

NISSAN TEANA 2008 Service Manual 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
DescriptionINFOID:0000000003805740
BCM controls the various electrical compo

Page 3445 of 5121

NISSAN TEANA 2008 Service Manual PCS-54
< COMPONENT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
B2614 ACC RELAY
Is the inspection result normal?
YES >> Replace BCM. Refer to PCS-126, "Removal and Installation".
NO >> Repair or replace har

Page 3446 of 5121

NISSAN TEANA 2008 Service Manual PCS
B2615 BLOWER RELAY CIRCUIT
PCS-55
< COMPONENT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
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L B A
O
P N
B2615 BLOWER RELAY CIRCUIT
DescriptionINFOID:0000000003805744
BCM controls the va

Page 3447 of 5121

NISSAN TEANA 2008 Service Manual PCS-56
< COMPONENT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
B2615 BLOWER RELAY CIRCUIT
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-78, "Removal and Installation".
NO >> Repair or r

Page 3448 of 5121

NISSAN TEANA 2008 Service Manual PCS
B2616 IGNITION RELAY CIRCUIT
PCS-57
< COMPONENT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L B A
O
P N
B2616 IGNITION RELAY CIRCUIT
DescriptionINFOID:0000000003805748
BCM controls th

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