Problem Symptoms Tables
GAUGE PROBLEM SYMPTOMS INDEX
| Symptom | Suspect Area | Refer To |
|---|---|---|
| Speedometer does not operate or operates abnormally. |
|
SPEEDOMETER SPEED SENSOR CIRCUIT |
| Tachometer does not operate or operates abnormally. |
|
Tachometer Igniter Signal Circuit |
| Fuel gauge does not operate or operates abnormally. |
|
Fuel Gauge |
| Engine Coolant temperature does not operate or operates abnormally. |
|
Engine Coolant Temperature Gauge |
INDICATOR LIGHT & WARNING LIGHT PROBLEM SYMPTOMS INDEX
| Symptom | Suspect Area | Refer To |
|---|---|---|
| Shift indicator lights does not light up. |
|
BULB CIRCUIT See DTC P1780: PARK/NEUTRAL POSITION SWITCH under DIAGNOSTIC TESTS in A-650E DIAGNOSIS article in AUTOMATIC TRANSMISSIONS. See TRANSMISSION CONTROL SWITCH under COMPONENT TESTS in A-650E DIAGNOSIS article in AUTOMATIC TRANSMISSIONS. |
| Open door warning light does not light up. |
|
BULB CIRCUIT See DOOR COURTESY LIGHT AND COURTESY SWITCH CIRCUIT under CIRCUIT INSPECTION in DRIVER DOOR CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| Passenger seat belt warning light does not light up. |
|
BULB CIRCUIT See PASSENGER BUCKLE ILLUMINATION CIRCUIT under CIRCUIT INSPECTION in PASSENGER JUNCTION BLOCK (BODY NO. 3) CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| Driver seat belt warning light does not light up. |
|
BULB CIRCUIT See DRIVER BUCKLE SWITCH CIRCUIT under CIRCUIT INSPECTION in DRIVE SIDE JUNCTION BLOCK (BODY NO. 2) CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| Low oil pressure warning light does not light up. |
|
BULB CIRCUIT See COMBINATION METER - LS 430 article. |
| Discharge warning light does not light up. |
|
BULB CIRCUIT See CHARGING - LS 430 article in ELECTRICAL. |
| Brake warning light does not light up. |
|
BULB CIRCUIT See TEST D: BRAKE WARNING LIGHT CIRCUIT under SYSTEM TESTING in ANTI-LOCK - LS 430 article in BRAKES. |
| Headlight indicator light does not light up. |
|
BULB CIRCUIT See PROBLEM SYMPTOMS TABLES in DRIVE SIDE JUNCTION BLOCK (BODY NO. 2) CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| Taillight indicator light does not light up. |
|
BULB CIRCUIT See PROBLEM SYMPTOMS TABLES in DRIVE SIDE JUNCTION BLOCK (BODY NO. 2) CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| CRUISE MAIN indicator light does not light up. |
|
BULB CIRCUIT See CRUISE CONTROL SWITCH CIRCUIT under CIRCUIT INSPECTION in CRUISE CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| ECT SNOW indicator light does not light up. |
|
BULB CIRCUIT See PATTERN SELECT SWITCH under COMPONENT TESTS in A-650E DIAGNOSIS article in AUTOMATIC TRANSMISSIONS. |
| ECT PWR indicator light does not light up. |
|
BULB CIRCUIT See PATTERN SELECT SWITCH under COMPONENT TESTS in A-650E DIAGNOSIS article in AUTOMATIC TRANSMISSIONS. |
| VSC OFF indicator light does not light up. |
|
BULB CIRCUIT See ANTI-LOCK - LS 430 article in BRAKES. |
| Washer fluid level warning light does not light up. |
|
BULB CIRCUIT See WASHER FLUID LEVEL SENSOR CIRCUIT under CIRCUIT INSPECTION in FRONT LIGHT (BODY NO. 5) CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| Rear lights warning light does not light up. |
|
BULB CIRCUIT See LUGGAGE ROOM JUNCTION BLOCK (BODY NO. 4) CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| Engine oil level warning light does not light up. |
|
BULB CIRCUIT See COMBINATION METER - LS 430 article. |
| Fuel level warning light does not light up. |
|
BULB CIRCUIT See COMBINATION METER - LS 430 article. |
| High-beam indicator light does not light up. |
|
BULB CIRCUIT See LIGHT CONTROL SWITCH CIRCUIT under CIRCUIT INSPECTION in COMBINATION SWITCH CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. See HEADLIGHT CIRCUIT under CIRCUIT INSPECTION in FRONT LIGHT (BODY NO. 5) CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| SRS warning light does not light up. |
|
BULB CIRCUIT See AIR BAG RESTRAINT SYSTEMS - LS 430 article in RESTRAINTS. |
| Malfunction indicator light does not light up. |
|
BULB CIRCUIT See SELF-DIAGNOSTICS - LS 430 article in ENGINE PERFORMANCE. |
| Slip indicator light does not light up. |
|
BULB CIRCUIT See ANTI-LOCK - LS 430 article in BRAKES. |
| TRAC OFF indicator light does not light up. |
|
BULB CIRCUIT See ANTI-LOCK - LS 430 article in BRAKES. |
| ABS warning light does not light up. |
|
BULB CIRCUIT See ANTI-LOCK - LS 430 article in BRAKES. |
| Front fog light indicator light does not light up. |
|
BULB CIRCUIT See LIGHT CONTROL SWITCH CIRCUIT under CIRCUIT INSPECTION in COMBINATION SWITCH CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| VSC warning light does not light up. |
|
BULB CIRCUIT See ANTI-LOCK - LS 430 article in BRAKES. |
| Headlight beam leveling indicator light does not light up. |
|
BULB CIRCUIT HEADLIGHT BEAM LEVEL CONTROL SYSTEM - LS 430 article. |
| All warning indicator does not light up. |
|
COMBINATION METER ECU POWER SOURCE CIRCUIT |
MULTI-INFORMATION DISPLAY PROBLEM SYMPTOMS INDEX
| Symptom | Suspect Area | Refer To |
|---|---|---|
| "RADAR CRUISE READY" indicator light does not light up. |
|
MULTI INFORMATION DISPLAY See CRUISE CONTROL SWITCH CIRCUIT under CIRCUIT INSPECTION in CRUISE CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| "CHECK CRUISE SYSTEM" indicator light does not light up. |
|
MULTI INFORMATION DISPLAY See CRUISE CONTROL SWITCH CIRCUIT under CIRCUIT INSPECTION in CRUISE CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| "ODO/TRIP" indicator light does not light up. |
|
MULTI INFORMATION DISPLAY See COMBINATION METER - LS 430 article. |
| All warning indicator does not sound. |
|
COMBINATION METER ECU POWER SOURCE CIRCUIT |
BUZZER PROBLEM SYMPTOMS INDEX
| Symptom | Suspect Area | Refer To |
|---|---|---|
| Key remainder buzzer does not sound. |
|
BUZZER See DTC B2780: KEY UNLOCK WARNING SWITCH MALFUNCTION under CIRCUIT INSPECTION in ENGINE IMMOBILISER SYSTEM - DIAGNOSTICS - LS 430 article. See DOOR COURTESY LIGHT AND COURTESY SWITCH CIRCUIT under CIRCUIT INSPECTION in DRIVER DOOR CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| Light remainder buzzer does not sound. |
|
BUZZER See DTC B2780: KEY UNLOCK WARNING SWITCH MALFUNCTION under CIRCUIT INSPECTION in ENGINE IMMOBILISER SYSTEM - DIAGNOSTICS - LS 430 article. See DOOR COURTESY LIGHT AND COURTESY SWITCH CIRCUIT under CIRCUIT INSPECTION in DRIVER DOOR CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| Seat belt warning buzzer does not sound. |
|
BUZZER See DRIVER BUCKLE SWITCH CIRCUIT under CIRCUIT INSPECTION in DRIVE SIDE JUNCTION BLOCK (BODY NO. 2) CONTROL SYSTEM - DIAGNOSTICS - LS 430 article. |
| Reverse warning buzzer does not sound. |
|
BUZZER See DTC P1780: PARK/NEUTRAL POSITION SWITCH under DIAGNOSTIC TESTS in A-650E DIAGNOSIS article in AUTOMATIC TRANSMISSIONS. |
| Speed warning buzzer does not sound. |
|
BUZZER SPEEDOMETER SPEED SENSOR CIRCUIT |
| All warning buzzer does not sound. |
|
COMBINATION METER ECU POWER SOURCE CIRCUIT |