Toyota Corolla Repair Manual: Inspection procedure
1 Check fuse(ecu–ig)
- Remove the ecu–ig fuse from the instrument panel j/b.
- check the continuity of the ecu–ig fuse.
Ok: continuity
2 Inspect terminal voltage(b)
- Remove the cruise control ecu assy with connector still connected.
- turn the ignition switch to on.
- measure voltage between terminals 2 (b) and 16 (gnd)
of the cruise control ecu assy connector.
Ok: voltage: 10 – 16 v
3 Check harness and connector(between cruise control ecu assy and body ground)
- Measure resistance between terminal 16 (gnd) of the
cruise control ecu assy connector and body ground.
Ok: resistance: below 1 Ω
Check and repair harness and connector between cruise control ecu assy and battery
Circuit description
The cruise control ecu assy power source supplies power to the actuator and
sensors, etc., When terminal
gnd and the case of the cruise control ecu assy are grounded.
Wiring diagram
...
Other materials:
Inspection procedure
1 Check p/t squib(rh) circuit(airbaga sensor assy center – front
seat outer belt assy rh)
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 pretensioner ...
Noise occurs
Inspection procedure
1 Check of speaker installation
Check speaker installation condition.
Check that each speaker is securely installed.
Standard: malfunction disappear.
Hint:
the radio is equipped with noise prevention system that does not work against
the regular use of t ...
Phone screen
To display the screen shown below, press the
switch on the steering wheel or the
button.
Several functions are available to operate on each screen that is displayed by
selecting the 4 tabs.
1 Device name
2 Bluetooth® connection status
■ Telephone switch
■ Microphone
► ...