Infiniti G35 (V35) Sedan. Manual - part 980

 

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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 

MWI-58, "Diagnosis Procedure"

.

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 

BCS-79, "Removal and Installation"

.

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 

MWI-58, "Diagnosis Procedure"

.

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 

MWI-59, "Diagnosis Procedure

(A/T model)"

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 

MWI-61, "Diagnosis Procedure"

.

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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