Infiniti FX35, FX50 (S51). Manual — part 1404
MWI
THE METER CONTROL SWITCH IS INOPERATIVE
MWI-135
< SYMPTOM DIAGNOSIS >
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THE METER CONTROL SWITCH IS INOPERATIVE
Description
INFOID:0000000005524665
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:0000000005524666
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 UNIT
Perform a unit check for the meter control switch. Refer to
MWI-65, "Component Inspection"
Is the inspection result normal?
YES
>> Replace combination meter.
NG
>> Replace meter control switch.
MWI-136
< SYMPTOM DIAGNOSIS >
THE TRIP A/B RESET SWITCH IS INOPERATIVE
THE TRIP A/B RESET SWITCH IS INOPERATIVE
Description
INFOID:0000000005524667
The trip A/B reset switch is inoperative.
Diagnosis Procedure
INFOID:0000000005524668
1.
CHECK TRIP A/B RESET SWITCH SIGNAL CIRCUIT
Check the trip A/B reset switch signal circuit. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK TRIP A/B RESET SWITCH UNIT
Perform a unit check for the trip A/B reset switch. Refer to
MWI-66, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace combination meter.
NG
>> Replace trip A/B reset switch.
MWI
THE OIL PRESSURE WARNING LAMP DOES NOT TURN ON
MWI-137
< SYMPTOM DIAGNOSIS >
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THE OIL PRESSURE WARNING LAMP DOES NOT TURN ON
Description
INFOID:0000000005524669
The oil pressure warning lamp stays off when the ignition switch is turned ON
Diagnosis Procedure
INFOID:0000000005524670
1.
CHECK OIL PRESSURE WARNING LAMP
Perform auto active test. Refer to
PCS-11, "Diagnosis Description"
.
Does oil pressure warning lamp blink?
YES
>> GO TO 2.
NO
>> Replace combination meter.
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 UNIT
Perform a unit check for the oil pressure switch. Refer to
MWI-68, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-34, "Removal and Installation"
.
NO
>> Replace oil pressure switch.
MWI-138
< SYMPTOM DIAGNOSIS >
THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF
THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF
Description
INFOID:0000000005524671
The oil pressure warning lamp remains illuminated while the engine is running (normal oil pressure)
Diagnosis Procedure
INFOID:0000000005524672
1.
CHECK OIL PRESSURE WARNING LAMP
Perform auto active test. Refer to
PCS-11, "Diagnosis Description"
.
Does oil pressure warning lamp blink?
YES
>> GO TO 2.
NO
>> Replace combination meter.
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 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
CHECK OIL PRESSURE SWITCH UNIT
Perform a unit check for the oil pressure switch. Refer to
MWI-68, "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
>> Replace IPDM E/R. Refer to
PCS-34, "Removal and Installation"
NO
>> Repair harness or connector.
Terminals
Voltage
(+)
(-)
Oil pressure switch
Ground
Connector
Terminal
F37
1
Approx. 12 V
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