Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Park/neutral position switch circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Check operation(starter)
- Check that the starter operates normally and that the engine starts.
2 Input signal check
- See input signal check on page 05–745.
- check the indicator light when shifting into except d position.
Ok: the indicator light goes off when shifting into except d position.
3 Inspect terminal voltage(d)
- Turn the ignition switch to on.
- measure voltage between terminal 4 (d) of cruise control
ecu assy connector and body ground when shifting into
d position and other positions.
Ok:
4 Check harness and connector(between cruise control ecu assy and park/neutral position switch)
- Check for open and short circuit in harness and connector between cruise control ecu assy and park/ neutral position switch
Check and replace cruise control ecu assy
Other materials:
If a warning message or indicator is displayed (vehicles with a multi-information
display)
If a warning is shown on the multi-information display, stay calm and perform
the following actions:
1 Master warning light
The master warning light also comes on or flashes in order to indicate that a message
is currently being displayed on the multiinformation display.
2 Multi-information d ...
Disabling the TRAC system
If the vehicle gets stuck in mud, dirt or snow, the TRAC system may reduce power
from the engine to the wheels. Pressing
to turn the system off may make it
easier for you to rock the vehicle in order to free it.
To turn the TRAC system off, quickly press and release
.
The “TRAC OFF” ind ...
Overhaul
1. Drain clutch fluid
2. Remove brake master cylinder sub–assy
3. Remove brake booster assy
4. Disconnect clutch reservoir tube
Loosen the clip and disconnect the clutch reservoir tube
from the clutch master cylinder assy.
Hint:
use a container to catch the fluid.
5. Disconnect ...