Last Modified: 4-30-2014 6.6 T Doc ID: RM0000018ZM000X
Model Year: 2006 Model: LX470 Prod Date Range: [05/2005 -           ]
Title: METER: METER / GAUGE SYSTEM: PROBLEM SYMPTOMS TABLE; 2006 MY LX470 [05/2005 -        ]

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Meter / gauge system

Symptom

Suspected Area

See page

Tachometer, fuel gauge and engine coolant temperature gauge do not operate

1. GAUGE2 fuse

-

2. Combination meter assembly

-

3. Wire harness

-

Speedometer does not operate

1. Speed sensor

2006 MY LX470 [05/2005 -        ]; A750F AUTOMATIC TRANSMISSION: SPEED SENSOR: COMPONENTS

2. Combination meter assembly

-

3. Wire harness

-

Tachometer does not operate

1. Igniter

-

2. Combination meter assembly

-

3. Wire harness

-

Fuel gauge does not operate or is in abnormal operation

1. Fuel receiver gauge

-

2. Fuel sender gauge

2006 MY LX470 [05/2005 -        ]; 2UZ-FE FUEL: FUEL PUMP: ON-VEHICLE INSPECTION

3. Combination meter assembly

-

4. Wire harness

-

Oil pressure gauge does not operate

1. Oil pressure receiver gauge

2006 MY LX470 [05/2005 -        ]; METER: METER / GAUGE SYSTEM: ON-VEHICLE INSPECTION

2. Oil pressure sender gauge

2006 MY LX470 [05/2005 -        ]; METER: METER / GAUGE SYSTEM: ON-VEHICLE INSPECTION

3. Combination meter assembly

-

4. Wire harness

-

Voltmeter does not operate

1. Voltmeter

-

2. Combination meter assembly

-

3. Wire harness

-

Engine coolant temperature gauge does not operate or is in abnormal operation

1. Engine coolant temperature receiver gauge

-

2. Engine coolant temperature sender gauge

2006 MY LX470 [05/2005 -        ]; 2UZ-FE COOLING: COOLANT: REPLACEMENT

3. Combination meter assembly

-

4. Wire harness

-

All illumination lights do not light up

1. Light control rheostat

2006 MY LX470 [05/2005 -        ]; METER: LIGHT CONTROL RHEOSTAT: ON-VEHICLE INSPECTION

2. Wire harness

-

Brightness does not change even when rheostat knob is turned

1. Bulb

-

2. Wire harness

-

Only one illumination light does not light up

1. Bulb

-

2. Wire harness

-

Warning lights do not light up (except discharge, open and SRS)

1. GAUGE1 fuse

-

2. Combination meter assembly

-

3. Wire harness

-

Fuel level warning light does not light up

1. LED

-

2. Combination meter assembly

-

3. Fuel sender gauge

2006 MY LX470 [05/2005 -        ]; 2UZ-FE FUEL: FUEL PUMP: ON-VEHICLE INSPECTION

4. Wire harness

-

ABS warning light does not light up

1. LED

-

2. Skid control ECU with actuator

-

3. Wire harness

-

Seat belt warning light does not light up

1. LED

-

2. Seat belt buckle switch

2006 MY LX470 [05/2005 -        ]; SEAT BELT: FRONT SEAT INNER BELT ASSEMBLY: COMPONENTS

3. Wire harness

-

4. Body ECU (main)

-

Discharge warning light does not light up

1. METER fuse

-

2. LED

-

3. Wire harness

-

4. Generator

-

Brake warning light does not light up

1. LED

-

2. Parking brake switch

2006 MY LX470 [05/2005 -        ]; PARKING BRAKE: PARKING BRAKE ASSEMBLY: COMPONENTS

3. Brake fluid level warning switch

2006 MY LX470 [05/2005 -        ]; BRAKE: BRAKE FLUID: BLEEDING

4. LED check relay

-

5. Combination meter assembly

-

SRS warning light does not light up

1. ECU-B2 fuse

-

2. LED

-

3. Airbag sensor assembly

-

4. Combination meter assembly

-

5. Wire harness

-

Open door warning light does not light up

1. Warning light circuit

2006 MY LX470 [05/2005 -        ]; METER: METER / GAUGE SYSTEM: Warning Light Circuit

2. Door courtesy light switch assembly

2006 MY LX470 [05/2005 -        ]; LIGHTING: FRONT DOOR COURTESY SWITCH: ON-VEHICLE INSPECTION

3. Combination meter assembly

-

4. Body ECU (main)

-

Parking brake indicator does not light up

1. Parking brake switch circuit

2006 MY LX470 [05/2005 -        ]; METER: METER / GAUGE SYSTEM: Parking Brake Switch Circuit

2. Combination meter assembly

-

3. Body ECU (main)

-

A/T oil temperature warning light does not light up

1. LED

-

2. Combination meter assembly

-

3. Wire harness

-

4. ECM

-

Cruise control indicator light does not light up

1. LED

-

2. Combination meter assembly

-

3. Wire harness

-

4. ECM

-

High-beam indicator light does not light up

1. LED

-

2. Combination meter assembly

-

3. Wire harness

-

4. Headlight system

2006 MY LX470 [05/2005 -        ]; LIGHTING: LIGHTING SYSTEM: PROBLEM SYMPTOMS TABLE

Turn indicator light does not light up

1. LED

-

2. Combination meter assembly

-

3. Wire harness

-

4. Turn signal and hazard warning system

2006 MY LX470 [05/2005 -        ]; LIGHTING: LIGHTING SYSTEM: PROBLEM SYMPTOMS TABLE

Shift indicator light does not light up

1. LED

-

2. Combination meter assembly

-

3. Park / neutral position switch

2006 MY LX470 [05/2005 -        ]; A750F AUTOMATIC TRANSMISSION: PARK / NEUTRAL POSITION SWITCH: COMPONENTS

4. Wire harness

-

Only one shift indicator light does not light up

1. LED

-

2. Combination meter assembly

-

Malfunction indicator lamp does not light up

1. LED

-

2. Combination meter assembly

-

3. Wire harness

-

4. ECM

-

ECT PWR indictor light does not light up

1. LED

-

2. ECT pattern select switch

-

3. Combination meter assembly

-

4. Wire harness

-

5. ECT system

-

2nd start ECTS indicator light does not light up

1. LED

-

2. Combination meter assembly

-

3. Wire harness

-

4. ECM

-

Center Diff. lock indicator does not light up

1. LED

-

2. Combination meter assembly

-

3. Transfer 4WD position detection switch

-

4. Wire harness

-

Indicator lights do not light up (except turn hi-beam and security)

1. GAUGE2 fuse

-

2. Wire harness

-