Infiniti QX56 (Z62). Manual — part 1169
SEC-66
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2198 NATS ANTENNA AMP.
3.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-32, "Removal and Installation"
NO
>> Repair or replace harness.
4.
CHECK NATS ANTENNA AMP. OUTPUT SIGNAL 1
1.
Connect NATS antenna amp. connector.
2.
Disconnect BCM connector.
3.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
CHECK NATS ANTENNA AMP. OUTPUT SIGNAL CIRCUIT 1
1.
Disconnect NATS antenna amp. connector.
2.
Check continuity between BCM harness connector and NATS antenna amp. connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace NATS antenna amp. Refer to
SEC-155, "Removal and Installation"
.
NO
>> Repair or replace harness.
6.
CHECK NATS ANTENNA AMP. COMMUNICATION SIGNAL 1
1.
Connect BCM connector.
2.
Check voltage between BCM harness connector and ground using analog tester.
Is the inspection result normal?
IPDM E/R
NATS antenna amp.
Continuity
Connector
Terminal
Connector
Terminal
E14
42
M26
1
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E14
42
Not existed
(+)
(–)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M68
21
Ground
12
BCM
NATS antenna amp.
Continuity
Connector
Terminal
Connector
Terminal
M68
21
M26
2
Existed
BCM
Ground
Continuity
Connector
Terminal
M68
21
Not existed
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M68
21
Ground
Contact Intelligent Key backside to
push-button ignition switch, then turn
ignition switch ON.
Just after pressing push-button ignition
switch, pointer of analog tester should
move.
B2198 NATS ANTENNA AMP.
SEC-67
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
YES
>> GO TO 7.
NO
>> Replace NATS antenna amp. Refer to
SEC-155, "Removal and Installation"
.
7.
CHECK NATS ANTENNA AMP. OUTPUT SIGNAL 2
1.
Disconnect BCM connector.
2.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> GO TO 8.
8.
CHECK NATS ANTENNA AMP. OUTPUT SIGNAL CIRCUIT 2
1.
Disconnect NATS antenna amp. connector.
2.
Check continuity between BCM harness connector and NATS antenna amp. connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace NATS antenna amp. Refer to
SEC-155, "Removal and Installation"
.
NO
>> Repair or replace harness.
9.
CHECK NATS ANTENNA AMP. COMMUNICATION SIGNAL 2
1.
Connect BCM connector.
2.
Check voltage between BCM harness connector and ground using analog tester.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Replace NATS antenna amp. Refer to
SEC-155, "Removal and Installation"
.
10.
CHECK NATS ANTENNA AMP. GROUND CIRCUIT
1.
Disconnect NATS antenna amp. connector.
2.
Check continuity between NATS antenna amp. harness connector and ground.
Is the inspection result normal?
(+)
(–)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M68
25
Ground
12
BCM
NATS antenna amp.
Continuity
Connector
Terminal
Connector
Terminal
M68
25
M26
3
Existed
BCM
Ground
Continuity
Connector
Terminal
M68
25
Not existed
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M68
25
Ground
Contact Intelligent Key backside to
push-button ignition switch, then turn
ignition switch ON.
Just after pressing push-button ignition
switch, pointer of analog tester should
move.
NATS antenna amp.
Ground
Continuity
Connector
Terminal
M26
4
Existed
SEC-68
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2198 NATS ANTENNA AMP.
YES
>> GO TO 11.
NO
>> Repair or replace harness.
11.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
B2013 STEERING LOCK UNIT
SEC-69
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2013 STEERING LOCK UNIT
DTC Logic
INFOID:0000000006226218
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Lock the steering.
NOTE:
3.
Press the push-button ignition switch.
4.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006226219
1.
PERFORM INITIALIZATION
Perform initialization of BCM and reregistration of all Intelligent Keys using CONSULT-III.
For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.
Does steering lock operate?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
REPLACE STEERING LOCK UNIT
1.
Replace steering lock unit.
2.
Perform the service procedure for steering lock unit replacement. Refer to CONSULT-III Operation Man-
ual NATS-IVIS/NVIS.
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2013
ID DISCORD BCM-S/L
The ID verification results between BCM and
steering lock unit are NG.
Steering lock unit
To lock the steering
1.
Set the selector lever in the P position.
2.
Turn the power supply position to the OFF position.
3.
Press any door switch.
To unlock the steering
1.
Set the selector lever in the P position.
2.
Press the push-button ignition switch with brake pedal not depressed.
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