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
► Automatic transmission or continuously
variable transmission
1 With the brake pedal depressed, shift the shift lever to D.
(, 174, 176)
2 Release the parking brake.
3 Gradually release the brake pedal and gently depress the accelerator pedal to
accelerate the vehicle.
► ...
Inspection procedure
1 Check p/t squib(lh) circuit(airbag sensor assy center – front seat
outer belt 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 seat belt pretensio ...
Data list/active test
1. Data list
Hint:
using the data list displayed by the hand–held tester or the obd ii scan tool,
you can read the value of
the switches, sensors, actuators and so on without parts removal. Reading the
data list as a first step
of troubleshooting is one method to shorten diagnostic time.
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