Infiniti FX35 / FX45. Manual - part 292

WARNING LAMPS

DI-43

< SERVICE INFORMATION >

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Oil Pressure Warning Lamp Stays Off (Ignition Switch ON)

INFOID:0000000001328467

1.

CHECK OIL PRESSURE WARNING LAMP OPERATION

Activate IPDM E/R auto active test. Refer to 

PG-20, "Auto Active Test"

.

Does oil pressure warning lamp blink?

YES

>> GO TO 2.

NO

>> GO TO 5.

TKWM4353E

DI-44

< SERVICE INFORMATION >

WARNING LAMPS

2.

CHECK IPDM E/R INPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between IPDM E/R harness connector E9 termi-
nal 57 and ground.

OK or NG

OK

>> Replace IPDM E/R. Refer to 

PG-24, "Removal and

Installation of IPDM E/R"

.

NG

>> GO TO 3.

3.

CHECK OIL PRESSURE SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect oil pressure switch connector.

3.

Check oil pressure switch. Refer to 

DI-46, "Component Inspection"

.

OK or NG

OK

>> GO TO 4.

NG

>> Replace oil pressure switch.

4.

CHECK OIL PRESSURE SWITCH CIRCUIT

1.

Disconnect IPDM E/R connector.

2.

Check continuity between IPDM E/R harness connector E9 ter-
minal 57 and oil pressure switch harness connector F1 terminal
1.

OK or NG

OK

>> Replace IPDM E/R. Refer to 

PG-24, "Removal and

Installation of IPDM E/R"

.

NG

>> Repair harness or connector.

5.

CHECK UNIFIED METER AND A/C AMP. (CONSULT-III)

Perform self-diagnosis of unified meter and A/C amp. Refer to 

DI-27, "CONSULT-III Function (METER/M&A)"

.

Self-diagnosis results

No malfunction detected >> GO TO 6.
Malfunction detected >> Check applicable parts, and repair or replace corresponding parts.

6.

CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL

1.

Select “METER/M&A” on CONSULT-III.

2.

Operate ignition switch with “OIL W/L” of “Data Monitor” and check operation status. 

OK or NG

OK

>> Replace combination meter.

NG

>> GO TO 7.

7.

CHECK BCM INPUT SIGNAL 

1.

Select “BCM” on CONSULT-III.

2.

Select “Data Monitor” of “SIGNAL BUFFER”.

57 – Ground

: Approx. 0 V

SKIB6449E

57 – 1

: Continuity should exist.

PKIB3572E

“OIL W/L”

When ignition switch is in ON 
position (Engine stopped)

: On

When engine running

: Off

WARNING LAMPS

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< SERVICE INFORMATION >

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3.

Operate ignition switch with “OIL PRESS SW” of “Data Monitor” and check operate status.

OK or NG

OK

>> Replace BCM. Refer to 

BCS-13, "Removal and Installation of BCM"

.

NG

>> Replace IPDM E/R. Refer to 

PG-24, "Removal and Installation of IPDM E/R"

.

Oil Pressure Warning Lamp Does Not Turn Off (Oil Pressure Is Normal)

INFOID:0000000001328468

NOTE:
For oil pressure inspection, refer to 

LU-5, "Inspection"

 (VQ35DE) or 

LU-23, "Inspection"

 (VK45DE)

1.

CHECK OIL PRESSURE WARNING LAMP OPERATION

Activate IPDM E/R auto active test. Refer to 

PG-20, "Auto Active Test"

.

Does oil pressure warning lamp blink?

YES

>> GO TO 2.

NO

>> GO TO 5.

2.

CHECK IPDM E/R OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect oil pressure switch connector.

3.

Turn ignition switch ON.

4.

Check voltage between oil pressure switch harness connector
F1 terminal 1 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 4.

3.

CHECK OIL PRESSURE SWITCH

1.

Turn ignition switch OFF.

2.

Check oil pressure switch. Refer to 

DI-46, "Component Inspection"

.

OK or NG

OK

>> Replace IPDM E/R. Refer to 

PG-24, "Removal and Installation of IPDM E/R"

.

NG

>> Replace oil pressure switch.

4.

CHECK OIL PRESSURE SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

Check continuity between IPDM E/R harness connector E9 ter-
minal 57 and ground.

OK or NG

OK

>> Replace IPDM E/R. Refer to 

PG-24, "Removal and

Installation of IPDM E/R"

.

NG

>> Repair harness or connector.

“OIL PRESS SW”

When ignition switch is in ON 
position (Engine stopped)

: On

When engine running

: Off

1 – Ground

: Approx. 12 V

PKIB3573E

57 – Ground

: Continuity should not exist.

SKIA5013E

DI-46

< SERVICE INFORMATION >

WARNING LAMPS

5.

CHECK IPDM E/R (CONSULT-III)

Perform self-diagnosis of IPDM E/R. Refer to 

PG-18, "CONSULT-III Function (IPDM E/R)"

.

Self-diagnosis results

No malfunction detected >> Replace combination meter.
Malfunction detected >> Check applicable parts, and repair or replace corresponding parts.

Component Inspection

INFOID:0000000001328469

OIL PRESSURE SWITCH

Check continuity between oil pressure switch and ground.

Condition

Oil pressure [kPa (kg/cm

2

, psi)]

Continuity

Engine stopped

Less than 29 (0.3, 4)

Yes

Engine running

More than 29 (0.3, 4) 

No

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