Nissan Altima L32. Instruction — part 1240
SEC-110
< COMPONENT DIAGNOSIS >
[COUPE]
B26E1 NO RECEPTION OF ENGINE STATUS SIGNAL
B26E1 NO RECEPTION OF ENGINE STATUS SIGNAL
Description
INFOID:0000000004206083
BCM receives the engine status signal from ECM via CAN communication.
DTC Logic
INFOID:0000000004206084
DTC DETECTION LOGIC
NOTE:
• If DTC B26E1 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B26E1 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.
-
CVT selector lever is in the P or N position.
-
Do not depress the brake pedal.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
SEC-110, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004206085
1.
INSPECTION START
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT-III.
3. Touch “ERASE”.
4. Perform DTC Confirmation Procedure.
Is the DTC B26E1 displayed again?
YES
>> GO TO 2
NO
>> Inspection End.
2.
REPLACE ECM
1. Replace ECM.
2. Refer to
EC-1048, "BASIC INSPECTION : Special Repair Requirement"
INSPECTION : Special Repair Requirement"
EC-560, "BASIC INSPECTION : Spe-
(QR25DE except California).
>> Inspection End.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B260F
NO RECEPTION OF
ENGINE STATUS
SIGNAL
BCM does not receive the engine status signal from
ECM when ignition switch is in the ON position
• ECM
POWER SUPPLY AND GROUND CIRCUIT
SEC-111
< COMPONENT DIAGNOSIS >
[COUPE]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000004501377
1.
CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuse or fusible link are blown.
Is the fuse or fusible link blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM harness connector and ground.
Is the measurement normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair or replace harness.
BCM : Special Repair Requirement
INFOID:0000000004501378
1.
REQUIRED WORK WHEN REPLACING BCM
Initialize control unit. Refer to
BCS-6, "CONFIGURATION (BCM) : Special Repair Requirement"
>> Work End.
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Di-
Terminal No.
Signal name
Fuse and fusible link No.
1
Battery power supply
H
11
10
Terminals
Voltage
(Approx.)
(+)
(
−)
BCM
Ground
Connector
Terminal
M16
1
Battery voltage
M17
11
ALCIA0025ZZ
BCM
Ground
Continuity
Connector
Terminal
M17
13
Yes
ALCIA0024ZZ
SEC-112
< COMPONENT DIAGNOSIS >
[COUPE]
POWER SUPPLY AND GROUND CIRCUIT
agnosis Procedure
INFOID:0000000004501379
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible link are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connectors.
3. Check voltage between IPDM E/R harness connector and
ground.
Is the measurement value normal?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between IPDM E/R harness connectors and
ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
Terminal No.
Signal name
Fuses and fusible link No.
1, 2
Battery power supply
B, D
—
42
43
Terminals
Voltage (V)
(Approx.)
(+)
(
−)
IPDM E/R
Connector
Terminal
Ground
E16
1
Battery voltage
2
ALCIA0033ZZ
IPDM E/R
Ground
Continuity
Connector
Terminal
A: E18
12
Yes
B: E17
41
ALCIA0034ZZ
KEY SLOT
SEC-113
< COMPONENT DIAGNOSIS >
[COUPE]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
KEY SLOT
Diagnosis Procedure
INFOID:0000000004206132
1.
CHECK KEY SLOT POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect key slot connector.
3. Check voltage between slot connector and ground.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair or replace key slot power supply circuit.
2.
CHECK KEY SLOT GROUND CIRCUIT
Check continuity between key slot connector and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace key slot ground circuit.
3.
CHECK INTERMITTENT INCIDENT
GI-42, "Intermittent Incident"
.
>> Inspection End.
Key slot
Ground
Voltage (V)
(Approx.)
Connector
Terminal
M40
1
Ground
Battery voltage
5
ALKIA0419ZZ
Key slot
Ground
Continuity
Connector
Terminal
M40
7
Ground
Yes
ALKIA0420ZZ
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