Nissan Leaf. Manual — part 1077
SEC-70
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2192 ID DISCORD, IMMU-ECM
B2192 ID DISCORD, IMMU-ECM
DTC Logic
INFOID:0000000010119253
DTC DETECTION LOGIC
*: “ECM” is indicated on CONSULT display, however this means VCM on this vehicle.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn power switch ON.
2. Check DTC in “Self Diagnostic Result” of “BCM” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010119254
1.
PERFORM INITIALIZATION
1. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CON-
SULT Immobilizer mode and follow the on screen instructions.
2. Check that the vehicle can be set to READY using registered Intelligent Key.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 2.
2.
CHECK SELF-DIAGNOSIS RESULT
1. Select “Self Diagnostic Result” of “BCM” using CONSULT.
2. Erase DTC.
3. Perform DTC CONFIRMATION PROCEDURE for DTC B2192. Refer to
Is DTC detected?
YES
>> GO TO 3.
NO
>> Inspection End.
3.
REPLACE BCM
1. Replace BCM. Refer to
BCS-72, "Removal and Installation"
.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CON-
SULT Immobilizer mode and follow the on screen instructions.
3. Check that the vehicle can be set to READY using registered Intelligent Key.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 4.
4.
REPLACE VCM
Replace VCM. Refer to
EVC-423, "Removal and Installation"
.
>> Inspection End.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2192
ID DISCORD BCM-ECM
*
The ID verification results between
BCM and VCM are NG.
• BCM
• VCM
B2193 CHAIN OF ECM-IMMU
SEC-71
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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B2193 CHAIN OF ECM-IMMU
DTC Logic
INFOID:0000000010119255
DTC DETECTION LOGIC
NOTE:
• If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
*: “ECM” is indicated on CONSULT display, however this means VCM on this vehicle.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn power switch ON.
2. Check DTC in “Self Diagnostic Result” of “BCM” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010119256
1.
REPLACE BCM
1. Replace BCM. Refer to
BCS-72, "Removal and Installation"
.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CON-
SULT Immobilizer mode and follow the on screen instructions.
3. Check that the vehicle can be set to READY using registered Intelligent Key.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> GO TO 2.
2.
REPLACE VCM
EVC-423, "Removal and Installation"
.
>> Inspection End.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2193
CHAIN OF BCM-ECM
*
Inactive communication between BCM
and VCM
• Harness or connectors
(The CAN communication line is open or
shorted.)
• BCM
• VCM
SEC-72
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2195 ANTI-SCANNING
B2195 ANTI-SCANNING
DTC Logic
INFOID:0000000010119257
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn power switch ON.
2. Check DTC in “Self Diagnostic Result” of “BCM” using CONSULT.
Is DTC detected?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010119258
1.
CHECK SELF DIAGNOSTIC RESULT 1
1. Select “Self Diagnostic Result” 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 set vehicle to READY is not installed.
Is unspecified accessory part 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 set vehicle to READY, 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
1. Replace BCM. Refer to
BCS-72, "Removal and Installation"
.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CON-
SULT Immobilizer mode and follow the on screen instructions.
>> Inspection End.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2195
ANTI-SCANNING
ID verification between BCM and VCM that is
out of the specified specification is detected.
ID verification request out of the
specified specification
B2196 DONGLE UNIT
SEC-73
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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B2196 DONGLE UNIT
Description
INFOID:0000000010119259
BCM performs ID verification between BCM and dongle unit.
When verification result is OK, BCM permits cranking.
DTC Logic
INFOID:0000000010119260
DTC DETECTION LOGIC
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 Diagnostic Result” of “BCM” using CONSULT.
Is the DTC detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010119261
Regarding Wiring Diagram information, refer to
.
1.
PERFORM INITIALIZATION
1. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CON-
SULT 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.
Is the inspection result normal?
YES
>> GO TO 3.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2196
DONGLE NG
The ID verification results between BCM
and dongle unit is NG.
• Harness or connectors
(Dongle unit circuit is open or shorted.)
• Dongle unit
BCM
Dongle unit
Continuity
Connector
Terminal
Connector
Terminal
M24
24
M91
1
Yes
BCM
Ground
Continuity
Connector
Terminal
M24
24
No
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