Nissan Qashqai J11. Manual — part 1488
B2193 CHAIN OF ECM-IMMU
SEC-251
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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SEC
N
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P
ECM-616, "Removal and Installation"
ECM-1031, "Removal and Installation"
>> INSPECTION END
SEC-252
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
B2195 ANTI-SCANNING
B2195 ANTI-SCANNING
DTC Logic
INFOID:0000000010479753
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-252, "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:0000000010479754
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. 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. Refer to
.
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
REPLACE BCM
Replace BCM. Refer to
BCS-135, "Removal and Installation"
.
>> INSPECTION END
DTC No.
CONSULT screen items
DTC detecting condition
B2195
ANTI-SCANNING
ID verification between BCM and ECM that is out of the specified
specification is detected.
B2196 DONGLE UNIT
SEC-253
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
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B2196 DONGLE UNIT
Description
INFOID:0000000010479755
BCM performs ID verification between BCM and dongle unit.
When verification result is OK, BCM permits cranking.
DTC Logic
INFOID:0000000010479756
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-253, "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:0000000010479757
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 No.
CONSULT screen items
DTC detecting condition
B2196
DONGLE NG
The ID verification results between BCM and dongle unit is invalid.
BCM
Dongle unit
Continuity
Connector
Terminal
Connector
Terminal
M70
56
M24
1
Existed
SEC-254
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT INTELLIGENT KEY SYSTEM]
B2196 DONGLE UNIT
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK DONGLE UNIT GROUND CIRCUIT
Check continuity between dongle unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace dongle unit.
NO
>> Repair or replace harness.
BCM
Ground
Continuity
Connector
Terminal
M70
56
Not existed
Dongle unit
Ground
Continuity
Connector
Terminal
M24
4
Existed
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