Nissan Altima L32. Instruction — part 1237
SEC-98
< COMPONENT DIAGNOSIS >
[COUPE]
B260C STEERING LOCK UNIT
B260C STEERING LOCK UNIT
Description
INFOID:0000000004206074
The electronic steering column lock performs the check by itself according to the steering status.
DTC Logic
INFOID:0000000004206075
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Turn ignition switch OFF.
3. Press door switch.
4. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004206076
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 B260C displayed again?
YES
>> Replace electronic steering column lock.
NO
>> Inspection End.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B260C
STEERING LOCK
UNIT
BCM detects malfunctioning of electronic steering
column lock before steering locking.
• Electronic steering column lock
B260D STEERING LOCK UNIT
SEC-99
< COMPONENT DIAGNOSIS >
[COUPE]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B260D STEERING LOCK UNIT
Description
INFOID:0000000004206077
The electronic steering column lock performs the check by itself according to the steering lock status (before
lock, after lock and unlock).
DTC Logic
INFOID:0000000004206078
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Turn ignition switch OFF.
3. Press door switch.
4. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004206079
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 B260D displayed again?
YES
>> Replace electronic steering column lock.
NO
>> Inspection End.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B260D
STEERING LOCK
UNIT
BCM detects malfunctioning of electronic steering
column lock after steering locking.
• Electronic steering column lock
SEC-100
< COMPONENT DIAGNOSIS >
[COUPE]
B260F ENGINE STATUS
B260F ENGINE STATUS
Description
INFOID:0000000004206080
BCM receives the engine status signal from ECM via CAN communication.
DTC Logic
INFOID:0000000004206081
DTC DETECTION LOGIC
NOTE:
• If DTC B260F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B260F 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 position.
-
Do not depress the brake pedal.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
SEC-100, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004206082
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 B260F 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"
(QR25DE California) or
(QR25DE except for California).
>> Inspection End.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B260F
INTERRUPTION OF
ENGINE STATUS
SIGNAL
BCM is not yet received the engine status signal
from ECM when ignition switch is in ON position
• ECM
B2612 STEERING STATUS
SEC-101
< COMPONENT DIAGNOSIS >
[COUPE]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2612 STEERING STATUS
Description
INFOID:0000000004206086
There are 2 switches in the steering unit. IPDM E/R compares those 2 switches conditions to judge the
present steering status and transmit the result to BCM via CAN communication.
DTC Logic
INFOID:0000000004206087
DTC DETECTION LOGIC
NOTE:
• If DTC B2612 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2612 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE 1
1. Press the push-button ignition switch under the following conditions and wait for at least 1 second.
-
CVT selector lever is in the P or N position.
-
Do not depress brake pedal.
-
Steering is locked.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
SEC-101, "Diagnosis Procedure"
NO
>> GO TO 2
2.
PERFORM DTC CONFIRMATION PROCEDURE 2
1. Turn ignition switch ON.
2. Turn ignition switch OFF.
3. Press door switch.
4. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
SEC-101, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004206088
1.
INSPECTION START
Check the case in which DTC is detected.
• Case1: It is detected after ignition switch is changed from ON to OFF and door switch is pressed.
• Case2: It is detected after ignition switch is changed from ON to OFF
In which case is DTC detected?
Case1 >> GO TO 2
Case2 >> GO TO 7
2.
CHECK BCM OUTPUT SIGNAL
DTC
Self-diagnosis
name
DTC detecting condition
Possible causes
B2612
STEERING STA-
TUS
BCM detects the mismatch between the
following status for 1 second
• Steering lock or unlock
• Feedback of steering lock status from
IPDM E/R (CAN)
• Harness or connectors
[steering lock unit circuit (BCM side) is
open or shorted]
• Harness or connectors
[steering lock unit circuit (IPDM E/R side)
is open or shorted.]
• Steering lock unit
• IPDM E/R
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