Infiniti G37 Coupe. Manual — part 951
MWI-150
< SYMPTOM DIAGNOSIS >
THE METER CONTROL SWITCH IS INOPERATIVE
THE METER CONTROL SWITCH IS INOPERATIVE
Description
INFOID:0000000001606713
If any of the following malfunctions is found for the meter control switch operation.
• All switches are inoperative
• The specified switch cannot be operated
Diagnosis Procedure
INFOID:0000000001606714
1.
CHECK METER CONTROL SWITCH SIGNAL CIRCUIT
Check the meter control switch signal circuit. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK METER CONTROL SWITCH
Check the meter control switch. Refer to
MWI-58, "Component Inspection"
Is the inspection result normal?
YES
>> Replace combination meter.
NG
>> Replace meter control switch.
MWI
THE OIL PRESSURE WARNING LAMP DOES NOT TURN ON
MWI-151
< SYMPTOM DIAGNOSIS >
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THE OIL PRESSURE WARNING LAMP DOES NOT TURN ON
Description
INFOID:0000000001606715
The oil pressure warning lamp stays off when the ignition switch is turned ON
Diagnosis Procedure
INFOID:0000000001606716
1.
CHECK OIL PRESSURE WARNING LAMP
Perform auto active test of IPDM E/R. Refer to
PCS-11, "Diagnosis Description"
.
Is oil pressure warning lamp illuminated?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT
Check the oil pressure switch signal circuit. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK OIL PRESSURE SWITCH
Check the oil pressure switch. Refer to
MWI-59, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace IPDM E/R.
NO
>> Replace oil pressure switch.
4.
CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1.
Connect the CONSULT-III.
2.
Select the “Data Monitor” of the “METER/M&A” and check the “OIL W/L” monitor value. Refer to
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> Replace BCM. Refer to
MWI-152
< SYMPTOM DIAGNOSIS >
THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF
THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF
Description
INFOID:0000000001606717
The oil pressure warning lamp remains illuminated while the engine is running (normal oil pressure)
Diagnosis Procedure
INFOID:0000000001606718
1.
CHECK OIL PRESSURE WARNING LAMP
Perform auto active test of IPDM E/R. Refer to
PCS-11, "Diagnosis Description"
.
Is oil pressure warning lamp illuminated?
YES
>> GO TO 2.
NO
>> GO TO 5.
2.
CHECK IPDM E/R OUTPUT VOLTAGE
1.
Disconnect the oil pressure switch connector.
2.
Turn ignition switch ON.
3.
Check voltage between the oil pressure switch harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
CHECK OIL PRESSURE SWITCH
Check the oil pressure switch. Refer to
MWI-59, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-34, "Removal and Installation"
NO
>> Replace oil pressure switch.
4.
CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT
Check the oil pressure switch signal circuit. Refer to
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair harness or connector.
5.
CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1.
Connect the CONSULT-III.
2.
Select the “Data Monitor” of the “METER/M&A” and check the “OIL W/L” monitor value. Refer to
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
Terminals
Voltage
(Approx.)
(+)
(–)
Oil pressure switch
Connector
Terminal
F37
1
Ground
12 V
MWI
THE PARKING BRAKE RELEASE WARNING CONTINUES DISPLAYING, OR
DOES NOT DISPLAY
MWI-153
< SYMPTOM DIAGNOSIS >
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THE PARKING BRAKE RELEASE WARNING CONTINUES DISPLAYING,
OR DOES NOT DISPLAY
Description
INFOID:0000000001606719
• The parking brake warning is displayed during vehicle travel even though the parking brake is released
• The parking brake warning is not displayed even though driving the vehicle with the parking brake applied
Diagnosis Procedure
INFOID:0000000001606720
1.
CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1.
Connect the CONSULT-III.
2.
Select the “Data Monitor” of the “METER/M&A” and check the “PKB SW” monitor value. Refer to
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> GO TO 2.
2.
CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT
Check the parking brake switch signal circuit. Refer to
MWI-61, "Diagnosis Procedure (A/T models)"
62, "Diagnosis Procedure (M/T models)"
.
Is the inspection result normal?
YES
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK PARKING BRAKE SWITCH
Check the parking brake switch. Refer to
BRC-72, "Component Inspection"
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> Replace parking brake switch.
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