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:
Driving support system
information display
■ Driving support system
information
Select to display the operational
status of the following systems:
LTA (Lane Tracing Assist)
LDA (Lane Departure Alertl)
Dynamic radar cruise control
■ Navigation system-linked
display (if equipped)
Select to display the following
navigation system-linke ...
Inspection procedure
1 Check harness and connector(transmission control switch –
body ground)
Disconnect the transmission control switch connector of
shift lever assy.
measure the resistance according to the value(s) in the
table below.
Standard:
2 Inspect transmission control switch
M ...
Sound quality is bad only when cd is played(volume is
too low)
Inspection procedure
1 Replace cd with another and recheck
Replace the cd with another and recheck.
Check the installation condition of the radio receiver assembly.
Standard: malfunction disappear.
Check and replace radio receiver assy ...


