Infiniti QX56 (Z62). Manual — part 1184
SEC-126
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B20A0 CRANKING REQUEST CIRCUIT
5.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
REPLACE IPDM E/R
1.
Replace IPDM E/R. Refer to
PCS-32, "Removal and Installation"
.
2.
Perform DTC CONFIRMATION PROCEDURE for DTC B20A0. Refer to
.
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
REPLACE ECM
1.
Replace ECM. Refer to
EC-535, "Removal and Installation"
2.
Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”. Refer to
>> INSPECTION END
IPDM E/R
ECM
Continuity
Connector
Terminal
Connector
Terminal
E13
23
E80
165
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E13
23
Not existed
B2108 STEERING LOCK RELAY
SEC-127
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2108 STEERING LOCK RELAY
DTC Logic
INFOID:0000000006226286
DTC DETECTION LOGIC
NOTE:
• If DTC B2108 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B2108 is displayed with other DTC, first perform the trouble diagnosis for the other DTC.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press push-button ignition switch under the following conditions and wait 1 second or more.
-
Selector lever: In the P position
-
Brake pedal: Not depressed
2.
Check DTC in “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT-III.
Is DTC detected?
YES
>> Go to
SEC-127, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006226287
1.
CHECK STEERING LOCK RELAY
Check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace IPDM E/R. Refer to
PCS-32, "Removal and Installation"
.
2.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
.
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2108
STRG LCK RELAY ON
IPDM E/R detects that steering lock relay is
stuck in the ON position for approximately 1
second even if IPDM E/R receives steering lock
relay OFF signal from BCM.
• Harness or connectors
(CAN communication line is open
or shorted.)
• IPDM E/R
(+)
(–)
Condition
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
E14
46
Ground
Ignition switch
OFF
A few seconds after
opening the driver door
Battery voltage
Ignition switch
LOCK
Press the push-button
ignition switch
Battery voltage
Ignition switch ACC or ON
0
SEC-128
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2109 STEERING LOCK RELAY
B2109 STEERING LOCK RELAY
DTC Logic
INFOID:0000000006226288
DTC DETECTION LOGIC
NOTE:
• If DTC B2109 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
PCS-32, "Removal and Installation"
• If DTC B2109 is displayed with other DTC, first perform the trouble diagnosis for the other DTC.
• When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the DTC B2109 may be
detected.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press push-button ignition switch under the following conditions and wait 1 second or more.
-
Selector lever: In the P position
-
Brake pedal: Not depressed
2.
Check DTC in “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT-III.
Is DTC detected?
YES
>> Go to
SEC-128, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006226289
1.
CHECK POWER SUPPLY CIRCUIT
Check IPDM E/R power supply circuit. Refer to
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning part.
2.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check 10 A fuse (No. 44, located in IPDM E/R).
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-32, "Removal and Installation"
NO
>> Replace the blown fuse after repairing the cause of ffected circuit if a fuse is blown.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2109
STRG LCK RELAY OFF
IPDM E/R detects that steering lock relay is
stuck in the OFF position for approximately 1
second even if IPDM E/R receives steering
lock relay ON/OFF signal from BCM.
• Harness or connector
(CAN communication line is open or
shorted.)
• Harness or connector
(Power supply circuit for steering lock
relay is open or shorted.)
• IPDM E/R
• Battery
B210A STEERING LOCK UNIT
SEC-129
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B210A STEERING LOCK UNIT
DTC Logic
INFOID:0000000006226290
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE 1
1.
Press push-button ignition switch under the following conditions and wait 1 second or more.
-
Selector lever: In the P position
-
Brake pedal: Not depressed
2.
Check DTC in “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT-III.
Is DTC detected?
YES
>> Go to
SEC-129, "Diagnosis Procedure"
.
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE 2
1.
Turn ignition switch ON.
2.
Turn ignition switch OFF.
3.
Press driver side door switch and wait 1 second or more.
4.
CCheck DTC in “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT-III.
Is DTC detected?
YES
>> Go to
SEC-129, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006226291
1.
CHECK IPDM E/R INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
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.
Disconnect IPDM E/R connector and steering lock unit connector.
2.
Check continuity between IPDM E/R harness connector and steering lock unit harness connector.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B210A
STRG LCK STATE SW
IPDM E/R detects the difference between
steering condition switches 1 and 2 signals
for 1 second.
• Harness or connectors
(Steering lock unit circuit is open or
shorted.)
• Steering lock unit
• IPDM E/R
• BCM
(+)
(–)
Condition
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
E17
63
Ground
Steering lock unit
Lock
12
Unlock
0
65
Lock
0
Unlock
12
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст