Toyota Corolla (E120): Diagnostic trouble code chart

Pre–check

Terminals of ecu

Other materials:

How to proceed with troubleshooting
The hand–held tester can be used at step 4, 6, 8 and 9. 1 Vehicle brought to workshop 2 Customer problem analysis 3 Warning light check 4 The dtcs check (present and past dtcs) 5 The dtcs chart 6 Circuit inspection 7 Repair 8 Clear the dtcs (present and past dtcs) 9 The dt ...

Changing the engine switch positions
1 “LOCK” The steering wheel is locked and the key can be removed. (Vehicles with an automatic transmission or continuously variable transmission: The key can be removed only when the shift lever is in P.) 2 “ACC” Some electrical components such as the audio system can be used. 3 “ON ...

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 ...