Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle / O/d cancel signal circuit / Circuit description
Toyota Corolla (E120): Circuit description
While driving uphill with cruise control activated, in order to minimize gear shifting and provide smooth cruising overdrive may be prohibited temporarily under some conditions.
The cruise control ecu sends o/d cut signals to the ecm as necessary and the ecm cancels overdrive shifting until these signals are discontinued.
Wiring diagram
Other materials:
Checking tires
Check if the treadwear indicators
are showing on the tires.
Also check the tires for uneven
wear, such as excessive wear
on one side of the tread.
Check the spare tire condition
and pressure if not rotated.
New tread
Worn tread
Treadwear indicator
The location of treadwear indicators
is show ...
Dialing from the contacts list
You can dial a number from the contact data imported from your cellular phone.
The system has one contact for each registered phone. Up to 2500 contacts may be
stored in each contact. 1 Display the phone screen.
2 Select “Contacts” tab.
3 Choose the desired contact to call from the list.
...
General information
There are many ecu controlled systems used in the corolla. In general, ecu
controlled system are considered
to be very intricate and require a high level of technical knowledge and expert
skill to troubleshoot.
The fact is, however, that if you proceed by inspecting the circuits one by one, ...