Nissan Qashqai J11. Manual — part 1448
B2192 ID DISCORD, IMMU-ECM
SEC-91
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
>> INSPECTION END
SEC-92
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2193 CHAIN OF ECM-IMMU
B2193 CHAIN OF ECM-IMMU
DTC Logic
INFOID:0000000010438912
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
. U1010-00:
.
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
.
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010438913
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
. U1010-00:
.
NO
>> GO TO 2
2.
CHECK IPDM E/R IGNITION POWER OUTPUT SIGNAL
Check voltage between ECM harness connector and ground.
HRA2DDT engine models
DTC No.
CONSULT screen items
DTC detecting condition
B2193-00
CHAIN OF BCM-ECM
Inactive communication between BCM and ECM
(+)
(-)
Condition
Voltage
ECM
Connector
Terminal
E9
16
Ground
Ignition switch
OFF
0 - 1 V
ON
6 - 16 V
B2193 CHAIN OF ECM-IMMU
SEC-93
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
K9K engine models
R9M engine models
MR20DDengine models
MR16DDT engine models
Is the inspection result normal?
YES
>> GO TO 5
NO
>> GO TO 3
3.
CHECK IPDM E/R IGNITION POWER OUTPUT SIGNAL CIRCUIT
1.
Disconnect ECM connector and IPDM E/R connector.
2.
Check continuity between ECM harness connector and IPDM E/R harness connector.
HRA2DDT engine models
K9K engine models
R9M engine models
MR20DD engine models
(+)
(-)
Condition
Voltage
ECM
Connector
Terminal
E59
16
Ground
Ignition switch
OFF
0 - 1 V
ON
6 - 16 V
(+)
(-)
Condition
Voltage
ECM
Connector
Terminal
E58
16
Ground
Ignition switch
OFF
0 - 1 V
ON
6 - 16 V
(+)
(-)
Condition
Voltage
ECM
Connector
Terminal
E57
109
Ground
Ignition switch
OFF
0 - 1 V
ON
6 - 16 V
(+)
(-)
Condition
Voltage
ECM
Connector
Terminal
E61
133
Ground
Ignition switch
OFF
0 - 1 V
ON
6 - 16 V
ECM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
E9
16
E38
19
Existed
ECM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
E59
16
E38
19
Existed
ECM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
E58
16
E38
19
Existed
ECM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
E57
109
E38
19
Existed
SEC-94
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2193 CHAIN OF ECM-IMMU
MR16DDT engine models
3.
Check continuity between ECM harness connector and ground.
HRA2DDT engine models
K9K engine models
R9M engine models
MR20DD engine models
MR16DDT engine models
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-135, "Removal and Installation"
.
2.
Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 5.
5.
REPLACE ECM
Replace ECM.
Refer to the following procedure.
• HRA2DDT:
ECH-320, "Removal and Installation"
ECK-398, "Removal and Installation"
• R9M:
EC9-409, "Removal and Installation"
• MR16DDT:
ECM-616, "Removal and Installation"
• MR20DD:
ECM-1031, "Removal and Installation"
>> INSPECTION END
ECM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
E61
133
E38
19
Existed
ECM
Ground
Continuity
Connector
Terminal
E9
16
No existed
ECM
Ground
Continuity
Connector
Terminal
E59
16
No existed
ECM
Ground
Continuity
Connector
Terminal
E58
16
No existed
ECM
Ground
Continuity
Connector
Terminal
E57
109
No existed
ECM
Ground
Continuity
Connector
Terminal
E61
133
No existed
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