Toyota Corolla (E120): Inspection procedure
1 Input signal check

- See input signal check on page 05–745.
- check indicator light operation when driving with vehicle
speed above 40 km/h (25 mph), and with vehicle speed
below 40 km/h (25 mph).
Ok: vehicle speed above 40 km/h (25 mph): indicator light blinks vehicle speed below 40 km/h (25 mph): indicator light stays on


2 Check speedometer circuit


3 Check harness and connector(between cruise control ecu assy and combination meter assembly)
- Check for open and short circuit in harness and connector between cruise control ecu assy and combination meter assembly


Check and replace cruise control ecu assy
Other materials:
Driving assist systems
To keep driving safety and
performance, the following
systems operate automatically
in response to various
driving situations. Be
aware, however, that these
systems are supplementary
and should not be relied
upon too heavily when operating
the vehicle.
Summary of the driving
assist systems
■ ABS ( ...
Content of driving information
■ Display items
Fuel economy
Eco Driving Indicator/Driving
range
■ Fuel economy
Use the displayed values as a reference
only.
Current fuel consumption
Displays instantaneous current fuel
consumption.
Average fuel economy (after
reset)
To reset the average fuel economy
display, press ...
Inspection procedure
1 Check side squib(lh) circuit(airbag sensor assy center – front
seat airbag assy lh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the front seat airbag assy ...


