Toyota Corolla (E120): Door courtesy switch circuit

Inspection procedure

Circuit description

Other materials:

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 ...

Engine
On–vehicle inspection Hint: inspect these items on a cooled down engine. 1. Inspect drive belt 2. Replace spark plugs 3. Inspect air filter Remove the air filter.  visually check that the air filter is not excessively damaged, dirty or oily. Peplace the air filter if nece ...

Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...