Nissan Altima L32. Instruction — part 1271
SEC-234
< FUNCTION DIAGNOSIS >
[SEDAN WITH INTELLIGENT KEY]
DIAGNOSIS SYSTEM (BCM)
IMMU : CONSULT-III Function (BCM - IMMU)
INFOID:0000000004498332
DATA MONITOR
ACTIVE TEST
Monitor item
Content
CONFRM ID ALL
Indicates [YET] at all time.
Switch to [DONE] when a registered Intelligent Key is inserted into the key slot.
CONFIRM ID4
CONFIRM ID3
CONFIRM ID2
CONFIRM ID1
TP 4
Indicates the number of ID which has been registered.
TP 3
TP 2
TP 1
PUSH SW
Indicates [ON/OFF] condition of push-button ignition switch.
KEY SW -SLOT
Indicates [ON/OFF] condition of key slot.
Test Item
Description
THEFT IND
This test is able to check security indicator operation [ON/OFF].
U1000 CAN COMM CIRCUIT
SEC-235
< COMPONENT DIAGNOSIS >
[SEDAN WITH INTELLIGENT KEY]
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COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000004206190
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less
wiring. Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart, refer to
LAN-25, "CAN Communication Signal Chart"
DTC Logic
INFOID:0000000004206191
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000004206192
1.
PERFORM SELF DIAGNOSTIC
1. Turn ignition switch ON and wait for 2 seconds or more.
2. Check “Self Diagnostic Result”.
Is “CAN COMM CIRCUIT” displayed?
YES
>> Refer to
LAN-8, "CAN Communication Control Circuit"
.
NO
>> Refer to
GI-42, "Intermittent Incident"
.
CONSULT-III dis-
play description
DTC Detection Condition
Possible cause
CAN COMM CIR-
CUIT
[U1000]
When BCM cannot communicate CAN communication
signal continuously for 2 seconds or more.
In CAN communication system, any item (or items)
of the following listed below is malfunctioning.
• Transmission
• Receiving (ECM)
• Receiving (VDC/TCS/ABS)
• Receiving (METER/M&A)
• Receiving (TCM)
• Receiving (MULTI AV)
• Receiving (IPDM E/R)
SEC-236
< COMPONENT DIAGNOSIS >
[SEDAN WITH INTELLIGENT KEY]
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
DTC Logic
INFOID:0000000004206193
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000004206194
1.
REPLACE BCM
When DTC U1010 is detected, replace BCM.
>> Replace BCM. Refer to
BCS-96, "Removal and Installation"
CONSULT-III display
description
DTC Detection Condition
Possible cause
CAN COMM CIRCUIT
[U1010]
BCM detected internal CAN communication circuit malfunction.
BCM
B2013 ID DISCORD, IMMU-STRG
SEC-237
< COMPONENT DIAGNOSIS >
[SEDAN WITH INTELLIGENT KEY]
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B2013 ID DISCORD, IMMU-STRG
Description
INFOID:0000000004206195
BCM performs the ID verification with the steering lock unit and releases the steering lock if both BCM and
steering lock unit ID are same. BCM starts the communication with the steering lock unit when Intelligent Key
is carried into the passenger compartment and the push-button ignition switch is pressed.
DTC Logic
INFOID:0000000004206196
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Lock steering.
2. Press the push-button ignition switch.
3. Check “Self Diagnostic Result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
SEC-237, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000004206197
1.
PERFORM INITIALIZATION
Perform initialization with CONSULT-III. Re-register all Intelligent Keys.
For initialization and registration of Intelligent Key, refer to “CONSULT-III Operation Instruction”.
Can the system be initialized and can steering lock be released with re-registered Intelligent Key?
YES
>> Steering lock unit was unregistered.
NO
>> Replace steering wheel lock unit.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2013
ID DISCORD, IMMU-
STRG
The ID verification results between BCM and steer-
ing control unit are NG. The registration is neces-
sary.
• Steering wheel lock unit
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