Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Actuator magnetic clutch circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Inspect fuse(stop)
- Turn the ignition switch to off.
- remove the stop fuse from the instrument panel j/b.
- check continuity of the stop fuse.
Ok: continuity
2 Inspect stop lamp switch assy
- Disconnect the stop lamp switch assy connector.
- check continuity between each terminal of stop lamp
switch assy.
Ok:
3 Inspect cruise control actuator assy
- Turn the ignition switch to off.
- disconnect the cruise control actuator assy connector.
- measure resistance between terminals 3 (l) and 4 (gnd)
of the cruise control actuator assy.
Ok: resistance: 34.65 – 42.35 Ω
4 Check harness and connector(between cruise control actuator assy and body ground)
- Check continuity between the terminal 4 (gnd) of the
cruise control actuator assy and body ground.
Ok: continuity
5 Check harness and connector(between cruise control ecu assy and cruise control actuator assy)
- Check for open and short circuit in harness and connector between cruise control ecu assy and cruise control actuator assy (actuator magnetic clutch)
Check and replace cruise control ecu assy
Other materials:
Meter display
■ Locations of gauges and meters
The units of measure may differ depending on the intended destination of
the vehicle.
Tachometer
Displays the engine speed in revolutions per minute
Outside temperature
Displays the outside temperature within the range of -40ºF (-40ºC) to 140ºF
(60ºC)
...
Customer problem analysis
Hint:
in troubleshooting, the problem symptoms must be confirmed
accurately, meaning that all preconceptions
must be set aside in order to make an accurate judgement. To ascertain what
the problem symptoms
are, it is extremely important to ask the customer about the problem and
cond ...
Communication system
Horn system
Location
Problem symptoms table
Inspection
1. Inspect low pitched horn assy
Connect the positive (+) lead from the battery to the terminal
and the negative (–) lead to the horn body, and check
that the horn blows.
If the result is not as specified, replace the ...