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 

MWI-64, "Diagnosis Procedure"

. 

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 

MWI-66, "Diagnosis Procedure"

. 

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 

MWI-68, "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 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 

MWI-68, "Diagnosis Procedure"

.

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