Toyota Corolla (E120): Cooling
Other materials:
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtcs and freeze frame data
4 Problem symptom confirmation
Symptom does not occur: go to
step 5
Symptom occurs: go to step 6
5 Symptom simulation
6 Dtc check
There is no
output: go to step 7
There is outp ...
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 ...
Inspection procedure
1 Check voltage at ig2 of airbag sensor assy center
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connector of the airbag sensor assy center.
connect the negative (–) terminal cable to the battery,
and wa ...