Toyota Corolla (E120): Wiring diagram
1 Inspect terminal voltage(pi) (a) turn
- Turn the ignition switch to on.
- measure voltage between terminal 5 (pi) of cruise control
ecu assy and body ground, when the cruise control main
switch button is on and off.
Ok:
2 Inspect combination meter assy
3 Check harness and connector(between cruise control ecu assy and combination meter assembly)
- Check for open and short circuit in harness and connector between cruise control ecu assy and combination meter assembly
Check and replace cruise control ecu assy
Other materials:
Using the steering wheel switches
The steering wheel switches can be used to operate a connected cellular phone.
Operating a telephone using the steering wheel switches
■ Steering wheel switches on the right hand side
1 Off hook switch
• Make a call
• Receive a call
• Display “Phone” screen
2 On hook switch
...
Have the malfunction repaired immediately. (vehicles with a smart key system)
After taking the specified steps to correct the suspected problem, check that
the warning message and light go off.
■Warning buzzer ...
System description
The ecm uses the signals from the throttle position sensor, air–flow meter
and crankshaft position sensor
to monitor the engagement condition of the lock–up clutch.
Then the ecm compares the engagement condition of the lock–up clutch with the
lock–up schedule in the
ecm memory to de ...