Infiniti QX56 (Z62). Manual — part 1175
SEC-90
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2604 SHIFT POSITION
For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.
>> INSPECTION END
4.
CHECK BCM INPUT SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect A/T assembly connector.
3.
Disconnect BCM connector.
4.
Check continuity between A/T assembly harness connector and BCM harness connector.
5.
Check continuity between A/T assembly harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
A/T assembly
BCM
Continuity
Connector
Terminal
Connector
Terminal
F51
9
M71
102
Existed
A/T assembly
Ground
Continuity
Connector
Terminal
F51
9
Not existed
B2605 SHIFT POSITION
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
B2605 SHIFT POSITION
DTC Logic
INFOID:0000000006226241
DTC DETECTION LOGIC
NOTE:
• If DTC B2605 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2605 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Shift the selector lever to the P position.
2.
Turn ignition switch ON and wait 1 second or more.
3.
Shift the selector lever to the N position and wait 1 second or more.
4.
Shift the selector lever to any position other than P and N, and wait 1 second or more.
5.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006226242
1.
CHECK IPDM E/R INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Turn ignition switch ON.
4.
Check voltage 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
>> GO TO 2.
2.
CHECK IPDM E/R INPUT SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between IPDM E/R harness connector and BCM harness connector.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2605
PNP/CLUTCH SW
When ignition switch is ON, P/N position
signal input from TCM and P/N position
signal (CAN) input from IPDM E/R do not
match.
• Harness or connectors
(CAN communication line is open or
shorted.)
• Harness or connectors
(TCM circuit is open or shorted.)
• IPDM E/R
• BCM
(+)
(–)
Condition
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
E15
48
Ground
Selector lever
P or N position
12
Other than above
0
IPDM E/R
BCM
Continuity
Connector
Terminal
Connector
Terminal
E15
48
M71
102
Existed
SEC-92
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2605 SHIFT POSITION
4.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-81, "Removal and Installation"
.
2.
Perform initialization of BCM and registration of all Intelligent Keys using CONSULT-III.
For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.
>> INSPECTION END
IPDM E/R
Ground
Continuity
Connector
Terminal
E15
48
Not existed
B2608 STARTER RELAY
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
B2608 STARTER RELAY
DTC Logic
INFOID:0000000006226243
DTC DETECTION LOGIC
NOTE:
• If DTC B2608 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2608 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press push-button ignition switch under the following conditions to start engine.
-
Selector lever: In the P position
-
Brake pedal: Depressed
2.
Wait 1 second after engine started.
3.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006226244
1.
CHECK DTC OF IPDM E/R
Check DTC in “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT-III.
Is DTC detected?
YES
>> Perform the trouble diagnosis related to the detected DTC. Refer to
NO
>> GO TO 2.
2.
CHECK BCM POWER SUPPLY CIRCUIT
1.
Turn ignition switch ON.
2.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK STARTER RELAY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Disconnect BCM connector.
4.
Check continuity between IPDM E/R harness connector and BCM harness connector.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2608
STARTER RELAY
BCM outputs starter motor relay OFF signal
but BCM receives starter motor relay ON
signal from IPDM E/R (CAN).
• Harness or connectors
(CAN communication line is open or
shorted.)
• Harness or connectors
(Starter relay circuit is open or shorted.)
• IPDM E/R
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M71
97
Ground
Selector lever
N or P position
12
Other than above
0
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