Infiniti M (2012 year). Manual — part 5
PCS
B26F2 IGNITION RELAY
PCS-67
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
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B26F2 IGNITION RELAY
DTC Logic
INFOID:0000000006887750
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON under the following conditions, and wait for 2 seconds or more.
-
Selector lever is in the P or N position
-
Do not depress brake pedal
2.
Check “Self-diagnosis result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006887751
1.
CHECK IPDM E/R SELF-DIAGNOSTIC RESULT
1.
Turn ignition switch ON.
2.
Erase the DTC of IPDM E/R.
3.
Turn ignition switch OFF.
4.
Turn ignition switch ON and check the DTC again.
Is DTC detected?
YES
>> Repair or replace the malfunctioning part. Refer to
NO
>> GO TO 2.
2.
CHECK IGNITION RELAY (IPDM E/R) CONTROL 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.
NO
>> GO TO 3.
3.
CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL CIRCUIT - 1
1.
Disconnect BCM and IPDM E/R connectors.
2.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B26F2
IGN RELAY ON
BCM transmits the ignition relay control signal
(OFF: 12 V) or ignition switch ON signal (OFF)
(CAN), but does not receives ignition switch
ON signal (OFF) (CAN) from IPDM E/R.
• Harness or connectors
(ignition relay circuit is short)
• BCM
• IPDM E/R
(+)
(–)
Condition
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
E5
18
Ground
Ignition switch
OFF or ACC
12
IPDM E/R
Ground
Continuity
Connector
Terminal
E5
18
Not existed
2012 M
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PCS-68
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B26F2 IGNITION RELAY
NO
>> Repair or replace harness.
4.
CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL CIRCUIT - 2
1.
Connect IPDM E/R connectors.
2.
Check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-82, "Removal and Installation"
NO
>> Replace IPDM E/R.
(+)
(–)
Condition
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
E5
18
Ground
Ignition switch
OFF or ACC
12
2012 M
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PCS
B26F6 BCM
PCS-69
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
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B26F6 BCM
DTC Logic
INFOID:0000000006887752
DTC DETECTION LOGIC
NOTE:
• If DTC B26F6 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B26F6 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON under the following conditions, and wait for 1 second or more.
-
Selector lever is in the P or N position
-
Do not depress brake pedal
2.
Check “Self-diagnosis result” of BCM with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006887753
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Select “Self-diagnosis result” of BCM with CONSULT.
3.
Touch “ERASE”.
4.
Perform DTC Confirmation Procedure.
See
.
Is DTC detected?
YES
>> Replace BCM. Refer to
BCS-82, "Removal and Installation"
NO
>> INSPECTION END
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B26F6
BCM
Ignition relay ON signal is not transmitted from IPDM E/
R when BCM turns ignition relay ON.
BCM
2012 M
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PCS-70
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH
PUSH-BUTTON IGNITION SWITCH
Component Function Check
INFOID:0000000006887754
1.
CHECK FUNCTION
1.
Select “PUSH SW” in “Data Monitor” mode with CONSULT.
2.
Check the push-button ignition switch signal under the following conditions.
Is the indication normal?
YES
>> INSPECTION END.
NO
>> Go to
.
Diagnosis Procedure
INFOID:0000000006887755
1.
CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL 1
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector and IPDM E/R connector.
3.
Check voltage between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 1
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and push-button ignition switch harness connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-82, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL 2
Check voltage between IPDM E/R harness connector and ground.
Test item
Condition
Status
PUSH SW
Push-button ignition switch is pressed
ON
Push-button ignition switch is not pressed
OFF
(+)
(–)
Voltage (V)
(Approx.)
Push-button ignition switch
Connector
Terminal
M50
4
Ground
Battery voltage
BCM
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
M123
100
M50
4
Existed
BCM
Ground
Continuity
Connector
Terminal
M123
100
Not existed
2012 M
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PCS
PUSH-BUTTON IGNITION SWITCH
PCS-71
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
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Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 2
1.
Disconnect BCM connector.
2.
Check continuity between IPDM E/R harness connector and push-button ignition switch harness connec-
tor.
3.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R.
NO
>> Repair or replace harness.
5.
CHECK PUSH-BUTTON IGNITION SWITCH GROUND CIRCUIT
Check continuity between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
CHECK PUSH-BUTTON IGNITION SWITCH
PCS-71, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Replace push-button ignition switch.
7.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000006887756
1.
CHECK PUSH-BUTTON IGNITION SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector.
3.
Check continuity between push-button ignition switch terminals.
(+)
(–)
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
E5
30
Ground
Battery voltage
IPDM E/R
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
E5
30
M50
4
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E5
30
Not existed
Push-button ignition switch
Ground
Continuity
Connector
Terminal
M50
1
Existed
2012 M
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PCS-72
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace push-button ignition switch.
Push-button ignition switch
Condition
Continuity
Terminal
4
1
Pressed
Existed
Not pressed
Not existed
2012 M
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PCS
PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
PCS-73
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
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PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
Description
INFOID:0000000006887757
Push-button ignition switch changes the power supply position.
BCM maintains the power supply position status.
BCM changes the power supply position with the operation of the push-button ignition switch.
Component Function Check
INFOID:0000000006887758
1.
CHECK FUNCTION
Check push-button ignition switch (“LOCK INDICATOR”, “ACC INDICATOR” and “IGNITION ON IND”) in
Active Test Mode with CONSULT.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000006887759
1.
CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector.
3.
Check voltage between push-button ignition switch harness connector and ground.
Is the inspection normal?
YES
>> GO TO 2.
NO-1
>> Check 10 A fuse [No.9, located in fuse block (J/B)].
NO-2
>> Check harness for open or short between push-button ignition switch and fuse.
2.
CHECK BCM INPUT
1.
Connect push-button ignition switch connector.
2.
Disconnect BCM connector.
3.
Check voltage between BCM connector and ground.
Is the inspection normal?
YES
>> Replace BCM. Refer to
BCS-82, "Removal and Installation"
NO
>> GO TO 3.
3.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
1.
Disconnect push-button ignition switch connector.
Test item
Description
LOCK INDICATOR
ACC INDICATOR
IGNITION ON IND
ON
Position indicator
Illuminates
OFF
Does not illuminate
(+)
(–)
Voltage (V)
(Approx.)
Push-button ignition switch
Connector
Terminal
M50
8
Ground
Battery voltage
(+)
(–)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M123
73
Ground
Battery voltage
91
109
2012 M
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PCS-74
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
2.
Check continuity between BCM harness connector and push-button ignition switch harness connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection normal?
YES
>> Replace push-button ignition switch.
NO
>> Repair or replace harness.
Indicator
BCM
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
LOCK
M123
91
M50
5
Existed
ACC
109
6
ON
73
7
Indicator
BCM
Ground
Continuity
Connector
Terminal
LOCK
M123
91
Not existed
ACC
109
ON
73
2012 M
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PCS
PUSH-BUTTON IGNITION SWITCH DOES NOT OPERATE
PCS-75
< SYMPTOM DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
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SYMPTOM DIAGNOSIS
PUSH-BUTTON IGNITION SWITCH DOES NOT OPERATE
Description
INFOID:0000000006887760
Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and check
each symptom.
NOTE:
The engine start function, door lock function, power distribution system, and NATS-IVIS/NVIS in the Intelligent
Key system are closely related to each other regarding control. The vehicle security function can operate only
when the door lock and power distribution system are operating normally.
Conditions of Vehicle (Operating Conditions)
• “ENGINE START BY I-KEY” in “WORK SUPPORT” is ON when setting on CONSULT.
• One or more of Intelligent Keys with registered Intelligent Key ID is in the vehicle.
Diagnosis Procedure
INFOID:0000000006887761
1.
PERFORM WORK SUPPORT
Perform “INSIDE ANT DIAGNOSIS” on Work Support of “INTELLIGENT KEY”.
Refer to
DLK-32, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"
.
>> GO TO 2.
2.
PERFORM SELF-DIAGNOSIS RESULT
Perform Self-Diagnosis Result of “BCM”.
Is DTC detected?
YES
>> Refer to
NO
>> GO TO 3.
3.
CHECK PUSH-BUTTON IGNITION SWITCH
Check push-button ignition switch.
Refer to
PCS-70, "Component Function Check"
Is the operation normal?
YES
>> GO TO 4.
NO
>> Repair or replace malfunctioning parts.
4.
CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection normal?
YES
>> Check intermittent incident. Refer to
GI-44, "Intermittent Incident"
.
NO
>> GO TO 1.
2012 M
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PCS-76
< SYMPTOM DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR DOES NOT ILLUMI-
NATE
PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR DOES NOT IL-
LUMINATE
Description
INFOID:0000000006887762
• Before performing the diagnosis in the following table, check “Work Flow”. Refer to
.
• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and
check each symptom.
Conditions of Vehicle (Operating Conditions)
• “ENGINE START BY I-KEY” in “WORK SUPPORT” is ON when setting on CONSULT.
• One or more of Intelligent Keys with registered Intelligent Key ID is in the vehicle.
Diagnosis Procedure
INFOID:0000000006887763
1.
CHECK PUSH-BUTTON IGNITION SWITCH INDICATOR
Check push-button ignition switch indicator.
Refer to
PCS-73, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES
>> Check intermittent incident. Refer to
GI-44, "Intermittent Incident"
.
NO
>> GO TO 1.
2012 M
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PCS
PUSH-BUTTON IGNITION SWITCH
PCS-77
< REMOVAL AND INSTALLATION >
[POWER DISTRIBUTION SYSTEM]
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REMOVAL AND INSTALLATION
PUSH-BUTTON IGNITION SWITCH
Exploded View
INFOID:0000000007215655
.
Removal and Installation
INFOID:0000000007215656
REMOVAL
1.
Remove front body side welt. Refer to
INT-35, "BODY SIDE WELT : Removal and Installation"
.
2.
Remove instrument side finisher LH. Refer to
IP-13, "Removal and Installation"
3.
Remove instrument lower panel LH. Refer to
IP-13, "Removal and Installation"
4.
Disconnect NATS antenna amp. connector and push-button ignition switch connector.
5.
Disengage the NATS antenna amp. fixing pawls while pushing
NATS antenna amp. from its back side, so that NATS antenna
amp. and push-button ignition switch are lifted up from instru-
ment panel assembly.
6.
While pushing the push-button ignition switch from its back side,
disengage the push-button ignition switch fixing pawls using a
minus driver etc., and then remove push-button ignition switch.
INSTALLATION
Install in the reverse order of removal.
: Pawl
JMKIA8262ZZ
: Pawl
JMKIA8263ZZ
2012 M
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