Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Cruise control switch circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Input signal check
- See input signal check on page 05–745.
- check the indicator light operation when each of the set/
coast, resume/accel and cancel is turned on.
Ok: set/coast, resume/accel switch: the signals shown in the table on the left should be output when each switch is on. The signal should disappear when the switch is turned off.
Cancel switch: the indicator light goes off when the cancel switch is turned on.
2 Inspect terminal voltage(ccs)
- Remove the cruise control ecu assy with the connector being connected.
- turn the ignition switch to on.
- measure the voltage between terminals 11 (ccs) of the
cruise control ecu assy connector and the body ground
when each control switch is operated.
Ok:
3 Inspect cruise control main switch assy
- Remove the steering wheel center pad .
- disconnect the control switch assy connector.
- check continuity between terminals 2 (ccs) and 3 (ecc)
of control switch assy connector when cruise control main
switch assy is held on and off.
Ok:
4 Check harness and connector(between cruise control main switch assy and body ground)
- Check for open and short circuit in harness and connector between cruise control main switch assy and body ground
5 Check harness and connector(between cruise control ecu assy and cruise control main switch assy)
- Check for open and short circuit in harness and connector between cruise control ecu assy and cruise control main switch assy
6 Input signal check(see step 1)
Check and replace cruise control ecu assy
Other materials:
Foamed material application areas
If an increase in temperature or other condition damages the foamed material
when repairing or replacing the panel,
fill in the insufficient areas with urethane foam. The following illustration
shows the areas for one side, but the
foamed material must be applied equally to both the left and r ...
Oil filter sub–assy
Replacement
Caution:
prolonged and repeated contact with mineral oil will result in the
removal of natural fats from
the skin, leading to dryness, irritation and dermatitis. In addition, used
engine oil contains potentially
harmful contaminants which may cause skin cancer.
Exercise ...
Wireless remote control/electronic key battery
Replace the battery with a
new one if it is depleted.
As the key may be damaged
if the following procedure is
not performed properly, it is
recommended that key battery
replacement be performed
by your Toyota
dealer.
■If the key battery is depleted
The following symptoms may occur:
The smart ke ...