METER / GAUGE SYSTEM - FAIL-SAFE CHART
FUEL SIGNAL (FUEL INJECTION SIGNAL):| Condition | Response | Recovery |
| While the engine switch is on (IG), fuel injection signal is interrupted for 60 seconds. | Fuel gauge calibration is performed using average fuel consumption data. | Engine switch off and then on (IG) and normal data is received. |
ENGINE COOLANT TEMPERATURE GAUGE:| Condition | Response | Recovery |
| Engine coolant temperature data is interrupted for 5 seconds. | The gauge needle indicates less than "C". | Engine coolant temperature data is received. |
SHIFT INDICATOR (*1):| Condition | Response | Recovery |
| "P" to "D" data is interrupted for 3 seconds. | All indicator lights go off. | Normal data is received. |
| A/T range data is interrupted for 3 seconds, or more than 2 items are received simultaneously. | The A/T range indicator light and backlight LED goes off. | Normal data is received. |
ABS & BRAKE:| Condition | Response | Recovery |
| ABS & brake data is interrupted for 1 second. | The warning light comes on. | Normal data is received. |
DOOR:| Condition | Response | Recovery |
| Regular data is interrupted for 10 seconds. | The data received most recently remains indicated. | Normal data is received. |
DRIVER SIDE SEAT BELT:| Condition | Response | Recovery |
| Driver side seat belt inner belt assembly data is interrupted for 10 seconds. | The data received most recently remains indicated. | Normal data is received. |
FRONT PASSENGER SIDE SEAT BELT:| Condition | Response | Recovery |
| Front passenger side seat belt inner belt assembly data or occupant detection data is interrupted for 10 seconds. | The data received most recently remains indicated. | Normal data is received. |
POWER STEERING (*2):| Condition | Response | Recovery |
| EPS data is interrupted for 1 second. | The indicator light comes on. | Normal data is received. |
TAIL:| Condition | Response | Recovery |
| Regular data is interrupted for 10 seconds. | The data received most recently remains indicated. | Normal data is received. |
BEAM:| Condition | Response | Recovery |
| Regular data is interrupted for 10 seconds. | The indicator light goes off. | Normal data is received. |
AIRBAG:| Condition | Response | Recovery |
| Airbag data is interrupted for 10 seconds or there is a malfunction in the combination meter (meter CPU). | The warning light comes on. | Normal data is received. |
METER ILLUMINATION:| Condition | Response | Recovery |
| Illumination data is interrupted for 10 seconds or abnormal data is received. | The display remains in daytime mode. | Normal data is received. |
MULTI-INFORMATION DISPLAY:| Condition | Response | Recovery |
| Cruise information data is interrupted for 60 seconds. | The display becomes blank (only measurement units are displayed). | Normal data is received. |
*1: for Automatic Transmission
*2: with Power Tilt and Power Telescopic
LEXUS IS250, IS220d / GSE20 ALE20