Problem Symptoms Table
WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
ENTIRE SYSTEM:
ENTIRE SYSTEM
| Symptom | Suspected area | See |
|---|---|---|
| Entire combination meter does not operate. | Combination Meter Circuit | ENTIRE COMBINATION METER DOES NOT OPERATE |
| Operating light control rheostat does not change light brightness. | Light Control Rheostat Circuit | OPERATING LIGHT CONTROL RHEOSTAT DOES NOT CHANGE LIGHT BRIGHTNESS |
| Malfunction in ODO/TRIP switch | ODO/TRIP Switch Circuit | ODO / TRIP SWITCH MALFUNCTION |
METER GAUGES:
METER GAUGES
| Symptom | Suspected area | See |
|---|---|---|
| Speedometer malfunction | Speedometer Circuit | SPEEDOMETER MALFUNCTION |
| Tachometer malfunction | Tachometer Circuit | TACHOMETER MALFUNCTION |
| Fuel receiver gauge malfunction | Fuel Receiver Gauge Circuit | FUEL RECEIVER GAUGE MALFUNCTION |
| Engine coolant temperature malfunction | Engine Coolant Temperature Receiver Gauge Circuit | ENGINE COOLANT TEMPERATURE RECEIVER GAUGE MALFUNCTION |
WARNING LIGHTS:
WARNING LIGHTS
| Symptom | Suspected area | See |
|---|---|---|
| MIL (Check engine warning light) malfunction. | 1. MIL Circuit | MIL CIRCUIT |
| 2. Combination Meter Assembly | COMBINATION METER | |
| CHARGE warning light malfunction. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Wire Harness or Connector | - | |
| 3.Generator | PROBLEM SYMPTOMS TABLE | |
| 4. Combination Meter Assembly | COMBINATION METER | |
| Brake warning light does not come on. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Wire Harness or Connector | - | |
| 3. Brake Warning Light Circuit | PROBLEM SYMPTOMS TABLE | |
| 4. Combination Meter Assembly | COMBINATION METER | |
| Brake warning light does not go off. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Wire Harness or Connector | - | |
| 3. Brake Warning Light Circuit | BRAKE WARNING LIGHT REMAINS ON | |
| 4. Combination Meter Assembly | COMBINATION METER | |
| ABS warning light does not come on. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. ABS Warning Light Circuit | PROBLEM SYMPTOMS TABLE | |
| 3. Wire Harness or Connector | - | |
| 4. Combination Meter Assembly | COMBINATION METER | |
| ABS warning light does not go off. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. ABS Warning Light Circuit | ABS WARNING LIGHT REMAINS ON | |
| 3. Wire Harness or Connector | - | |
| 4. Combination Meter Assembly | COMBINATION METER | |
| SRS warning light does not come on. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. SRS Warning Light Circuit | SRS WARNING LIGHT DOES NOT COME ON | |
| 3. Wire Harness or Connector | - | |
| 4. Combination Meter Assembly | COMBINATION METER | |
| SRS warning light does not go off. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. SRS Warning Light Circuit | SRS WARNING LIGHT REMAINS ON | |
| 3. Wire Harness or Connector | - | |
| 4. Combination Meter Assembly | COMBINATION METER | |
| DOOR warning light malfunction. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Wire Harness or Connector | - | |
| 3. Front Door Courtesy Switch | DRIVER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT | |
| 4. Body ECU | - | |
| 5. Combination Meter Assembly | COMBINATION METER | |
| FUEL warning light malfunction. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Wire Harness or Connector | - | |
| 3. Fuel Sender Gauge Assembly | FUEL SENDER GAUGE ASSEMBLY | |
| 4. Combination Meter Assembly | COMBINATION METER | |
| OIL PRESSURE warning light malfunction. | 1. Wire Harness or Connector | - |
| 2. Low Oil Pressure Warning Switch | ENGINE OIL PRESSURE SWITCH | |
| 3. Combination Meter Assembly | COMBINATION METER | |
| SEAT BELT warning light malfunction. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Wire Harness or Connector | - | |
| 3. Body ECU | - | |
| 4. Front Inner Belt Assembly | DRIVER SIDE SEAT BELT WARNING LIGHT DOES NOT OPERATE | |
| 5. Combination Meter Assembly | COMBINATION METER | |
| Front passenger side seat belt warning light does not come on. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Wire Harness or Connector | - | |
| 3. Body ECU | - | |
| 4. Front Inner Belt Assembly | FRONT PASSENGER SIDE SEAT BELT WARNING LIGHT MALFUNCTION | |
| 5. Combination Meter Assembly | COMBINATION METER | |
| A/T OIL TEMP warning light malfunction. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Automatic Transaxle System (for U151E) | DIAGNOSTIC TROUBLE CODE CHART | |
| 3. Automatic Transaxle System (for U151F) | - | |
| 4. Wire Harness or Connector | - | |
| 5. ECM | - | |
| 6. Combination Meter Assembly | COMBINATION METER | |
| TIRE PRESSURE warning malfunction. | 1. Tire pressure warning Light Circuit | PROBLEM SYMPTOMS TABLE |
| 2 Wire Harness or Connector | - | |
| 3. Combination Meter Assembly | COMBINATION METER |
INDICATOR LIGHTS:
INDICATOR LIGHTS
| Symptom | Suspected area | See |
|---|---|---|
| Shift indicator light malfunction. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Wire Harness or Connector | - | |
| 3. Natural Start Switch Circuit (for U151E) | PROBLEM SYMPTOMS TABLE | |
| 4. Neutral Start Switch Circuit (for U151F) | PARK / NEUTRAL POSITION SWITCH | |
| 5. ECM | - | |
| 6. Combination Meter Assembly | COMBINATION METER | |
| TURN indicator light malfunction. | 1. Wire Harness or Connector | - |
| 2. Lighting System | PROBLEM SYMPTOMS TABLE | |
| 3. Combination Meter Assembly | COMBINATION METER | |
| HEAD (for U.S.A)/TAIL (for Canada) indicator light malfunction | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Wire Harness or Connector | ||
| 3. Lighting System | PROBLEM SYMPTOMS TABLE | |
| 4. Combination Meter Assembly | COMBINATION METER | |
| SLIP indicator light does not come on. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Wire Harness or Connector | - | |
| 3. SLIP Indicator Light Circuit | PROBLEM SYMPTOMS TABLE | |
| 4. Combination Meter Assembly | COMBINATION METER | |
| SLIP indicator light does not go off. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Wire Harness or Connector | - | |
| 3. SLIP Indicator Light Circuit | SLIP INDICATOR LIGHT REMAINS ON | |
| 4. Combination Meter Assembly | COMBINATION METER | |
| ETC SNOW indicator light malfunction. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Wire Harness or Connector | - | |
| 3. ECM | TERMINALS OF ECM | |
| 4. Combination Meter Assembly | COMBINATION METER | |
| AFS OFF indicator light malfunction. (with AFS) | 1. Wire Harness or Connector | - |
| 2. Combination Meter Assembly | COMBINATION METER | |
| H-LP LEVEL indicator light does not come on. | 1. Wire Harness or Connector | - |
| 2. Combination Meter Assembly | COMBINATION METER | |
| CRUISE indicator light malfunction. | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Wire Harness or Connector | - | |
| 3. Cruise Indicator Light Circuit (without Adaptive Cruise Control) | CRUISE MAIN INDICATOR LIGHT CIRCUIT | |
| 4. Cruise Indicator Light Circuit (with Adaptive Cruise Control) | CRUISE MAIN INDICATOR LIGHT CIRCUIT | |
| 5. Combination Meter Assembly | COMBINATION METER | |
| CRUISE READY/NORMAL/CHECK indicator light malfunction. (with Dynamic Laser Cruise Control) | 1. LED | DATA LIST / ACTIVE TEST |
| 2. Dynamic Cruise Control System | PROBLEM SYMPTOMS TABLE | |
| 3. Wire Harness or Connector | - | |
| 4. ECM | - | |
| 5. Combination Meter Assembly | COMBINATION METER | |
| BEAM indicator light malfunction. | 1. Wire Harness or Connector | - |
| 2. Light Control Switch | PROBLEM SYMPTOMS TABLE | |
| 3. Body ECU | - | |
| 4. Combination Meter Assembly | COMBINATION METER | |
| WASHER indicator light malfunction. | 1. Wire Harness or Connector | - |
| 2. Washer Level Warning Switch | - | |
| 3. Combination Meter Assembly | COMBINATION METER | |
| AIR SUS (HI, LO, N, OFF) indicator light malfunction (with Air Suspension) | 1. Air Suspension Control System | SUSPENSION SYSTEM |
| 2. Wire Harness or Connector | - | |
| 3. Combination Meter Assembly | COMBINATION METER | |
| AIR SUS LOADING MODE indicator light malfunction. (with Air Suspension) | 1. Air Suspension Control System | SUSPENSION SYSTEM |
| 2. Wire Harness or Connector | - | |
| 3. Combination Meter Assembly | COMBINATION METER | |
| VCS OFF indicator light does not come on. | 1. LED | SUSPENSION SYSTEM |
| 2.VSC OFF Warning Light Circuit | VSC OFF INDICATOR LIGHT DOES NOT COME ON | |
| 3.Wire Harness or Connector | - | |
| 4.Combination Meter Assembly | COMBINATION METER | |
| - | ||
| VCS OFF indicator light does not does not go off.. | 1. LED | SUSPENSION SYSTEM |
| 2.VSC OFF Warning Light Circut | VSC OFF INDICATOR LIGHT REMAINS ON | |
| 3.Wire Harness or Connector | - | |
| 4.Combination Meter Assembly | COMBINATION METER | |
| - | ||
| MAINT REQD indicator light malfunction (for U.S.A). | 1. LED | SUSPENSION SYSTEM |
| 2.Combination Meter (Oil Maintenance Information Mode) Reset Operation Undone) | INITIALIZATION | |
| 4.Combination Meter Assembly | COMBINATION METER | |
| RR LIGHT indicator light malfunction. | 1. Wire Harness or Connector | - |
| 2. Lighting System | PROBLEM SYMPTOMS TABLE | |
| 3. Combination Meter Assembly | COMBINATION METER |
MULTI-INFORMATION DISPLAY:
MULTI-INFORMATION DISPLAY
| Symptom | Suspected area | See page |
|---|---|---|
| Indicated "Distance to empty" is in excessive error (Other meters operate normally). | Combination Meter Assembly | COMBINATION METER |
| Indicated average fuel consumption and instantaneous fuel consumption are in excessive error (Other meters operate normally). | Combination Meter Assembly | COMBINATION METER |
| Incomplete display (Does not indicate numbers, some digital segments are missing). | Center Integration Switch (without Navigation System) | COMBINATION METER |
| Average vehicle speed display malfunction | Combination Meter Assembly | COMBINATION METER |
| Driving distance display malfunction | Combination Meter Assembly | COMBINATION METER |