Meter / Gauge System Fail-Safe Chart

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Meter. Lexus Is250, Is220D. Gse20 Ale20

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