Nissan X-Trail 32. Instruction — part 1877
B2193 CHAIN OF BCM-ECM
SEC-275
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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B2193 CHAIN OF BCM-ECM
DTC Description
INFOID:0000000010922290
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors
(The CAN communication line is open or shorted.)
• BCM
• ECM
FAIL-SAFE
Inhibit engine cranking
DTC CONFIRMATION PROCEDURE
1.
CHECK DTC PRIORITY
If DTC B2193-00 is displayed with DTC U1000-00 or U1010-00, first perform the trouble diagnosis for DTC
U1000-00 or U1010-00.
Is applicable DTC detected?
YES
>> Perform diagnosis of applicable. U1000-00: Refer to
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Refer to
SEC-275, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010922291
1.
CHECK DTC PRIORITY
If DTC B2193-00 is displayed with DTC U1000-00 or U1010-00, first perform the trouble diagnosis for DTC
U1000-00 or U1010-00.
Is applicable DTC detected?
YES
>> Perform diagnosis of applicable. U1000-00: Refer to
NO
>> GO TO 2.
2.
REPLACE BCM
BCS-121, "Removal and Installation"
.
Can the system be initialized and can the engine be started with registered ignition key?
YES
>> INSPECTION END
NO
>> GO TO 3.
3.
REPLACE ECM
Replace ECM. Refer to
EC-430, "Removal and Installation"
EC-1226, "Removal and Installation"
(R9M engine models).
DTC No.
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B2193-00
CHAIN OF BCM-ECM
(Chain of body control module - engine
control module)
Inactive communication between BCM and ECM
SEC-276
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
B2193 CHAIN OF BCM-ECM
>> INSPECTION END
B2195 ANTI-SCANNING
SEC-277
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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B2195 ANTI-SCANNING
DTC Description
INFOID:0000000010922292
DTC DETECTION LOGIC
POSSIBLE CAUSE
ID verification request out of the specified specification
FAIL-SAFE
Inhibit engine cranking
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Refer to
SEC-277, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010922293
1.
CHECK SELF DIAGNOSTIC RESULT 1
1.
Select “Self Diagnostic Result” mode of “BCM” using CONSULT.
2.
Erase DTC.
3.
Perform DTC CONFIRMATION PROCEDURE for DTC B2195-00. Refer to
Is DTC detected?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
CHECK EQUIPMENT OF THE VEHICLE
Check that unspecified accessory part related to engine start is not installed.
Is unspecified accessory part related to engine start installed?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
CHECK SELF DIAGNOSTIC RESULT 2
1.
Obtain the customers approval to remove unspecified accessory part related to engine start, and then
remove it.
2.
Select “Self Diagnostic Result” of “BCM” using CONSULT.
3.
Erase DTC.
4.
Perform DTC CONFIRMATION PROCEDURE for DTC B2195-00. Refer to
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
REPLACE BCM
BCS-121, "Removal and Installation"
.
>> INSPECTION END
DTC No.
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B2195-00
ANTI-SCANNING
(Anti-scanning)
ID verification between BCM and ECM that is out of the specified
specification is detected.
SEC-278
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
B2196 DONGLE UNIT
B2196 DONGLE UNIT
Description
INFOID:0000000010926594
BCM performs ID verification between BCM and dongle unit.
When verification result is OK, BCM permits cranking.
DTC Logic
INFOID:0000000010926595
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors
(Dongle unit circuit is open or shorted.)
• Dongle unit
FAIL-SAFE
Inhibit engine cranking
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Turn ignition switch OFF.
3.
Turn ignition switch ON.
4.
Check DTC in Self-diagnosis result mode of BCM using CONSULT.
Is the DTC detected?
YES
>> Refer to
SEC-278, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010926596
1.
PERFORM INITIALIZATION
1.
Perform initialization of BCM and registration of all mechanical keys using CONSULT.
For initialization and registration procedures, refer to CONSULT Immobilizer mode and follow the on-
screen instructions.
2.
Start the engine.
Dose the engine start?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK DONGLE UNIT CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector and dongle unit connector.
3.
Check continuity between BCM harness connector and dongle unit harness connector.
4.
Check continuity between BCM harness connector and ground.
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B2196-00
DONGLE NG
(Dongle unit not good)
The ID verification results between BCM and dongle unit is invalid.
BCM
Dongle unit
Continuity
Connector
Terminal
Connector
Terminal
M87
56
M53
1
Existed
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