Infiniti G35 (V35) Sedan. Manual — part 980
MWI
THE OIL PRESSURE SWITCH DOES NOT TURN ON
MWI-147
< SYMPTOM DIAGNOSIS >
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THE OIL PRESSURE SWITCH DOES NOT TURN ON
Description
INFOID:0000000000964439
The oil pressure warning lamp stays off when the ignition switch is turned ON
Diagnosis Procedure
INFOID:0000000000964440
1.
CHECK OIL PRESSURE WARNING LAMP
Perform auto active test. Refer to
PCS-10, "Diagnosis Description"
Is oil pressure warning lamp illuminated?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT
Inspect 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 inspection for the oil pressure switch. Refer to
MWI-58, "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
Connect CONSULT-III and perform an input signal inspection for the unified meter and A/C amp.
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> Replace BCM. Refer to
MWI-148
< SYMPTOM DIAGNOSIS >
THE OIL PRESSURE SWITCH DOES NOT TURN OFF
THE OIL PRESSURE SWITCH DOES NOT TURN OFF
Description
INFOID:0000000000964441
The oil pressure warning lamp remains illuminated while the engine is running (normal oil pressure)
Diagnosis Procedure
INFOID:0000000000964442
1.
CHECK OIL PRESSURE WARNING LAMP
Perform auto active test. Refer to
PCS-10, "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 1 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
CHECK OIL PRESSURE SWITCH UNIT
Perform a unit inspection for the oil pressure switch. Refer to
MWI-58, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-33, "Removal and Installation"
NO
>> Replace oil pressure switch.
4.
CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT
Inspect 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
Connect CONSULT-III and perform an input signal inspection for the unified meter and A/C amp. Refer to
MWI-58, "Component Function Check"
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> Replace BCM. Refer to
BCS-79, "Removal and Installation"
1- Ground
: Approx. 12 V
MWI
THE PARKING BRAKE RELEASE WARNING CONTINUES DISPLAYING, OR
DOES NOT DISPLAY
MWI-149
< SYMPTOM DIAGNOSIS >
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THE PARKING BRAKE RELEASE WARNING CONTINUES DISPLAYING,
OR DOES NOT DISPLAY
Description
INFOID:0000000000964443
• 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:0000000000964444
1.
CHECK PARKING BRAKE WARNING LAMP OPERATION
1.
Start engine.
2.
Check the operation of the parking brake warning lamp when operating the parking brake.
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> GO TO 2.
2.
CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Perform an inspection for the parking brake switch signal circuit. Refer to
.
Is the inspection result normal?
YES
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK PARKING BRAKE SWITCH UNIT
Perform a unit inspection for the parking brake switch. Refer to
BRC-69, "Component Inspection"
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> Replace parking brake switch.
Condition
Warning lamp status
Parking brake ON
ON
Parking brake OFF
OFF
MWI-150
< SYMPTOM DIAGNOSIS >
THE LOW WASHER FLUID WARNING CONTINUES DISPLAYING, OR DOES
NOT DISPLAY
THE LOW WASHER FLUID WARNING CONTINUES DISPLAYING, OR
DOES NOT DISPLAY
Description
INFOID:0000000000964445
• The warning is still displayed even after washer fluid is added
• The warning is not displayed even though the washer tank is empty
Diagnosis Procedure
INFOID:0000000000964446
1.
CHECK LOW WASHER LEVEL SWITCH SIGNAL CIRCUIT
Inspect the low washer level switch signal circuit. Refer to
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK LOW WASHER LEVEL SWITCH UNIT
Perform a unit inspection for the low washer level switch. Refer to
MWI-61, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> Replace washer level switch. Refer to
WW-81, "Removal and Installation"
.
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