Toyota Corolla (E120): Diagnostic trouble code chart

Terms

Terms
Physical address Three–digit code (shown in hexadecimal) which is given to each component comprising the avc–lan.

Corresponding to the function, individual symbols are specified.
Logical address Two–digit code (shown in hexadecimal) which is given to each function comprising the inner system of the avc–lan.

1. Radio receiver assy (physical address: 190)

Hint

: *1: even if no failure is detected, it may be stored depending on the battery condition or voltage for starting an engine.

*2: It is stored when 180 sec. Has passed after the power supply connector is pulled out after engine start.

*3: It may be stored when the engine key is turned 1 min. After engine start.

*4: It may be stored when the engine key is turned again after engine start.

*5: When 210 sec. Has passed after pulling out the power supply connector of the master component with the ignition switch in acc or on, this code is stored.

  1. Logical address: 01 (communication control)

  1. Logical address: 61 (cassette switch)

  1. Logical address: 62 (cd player)

Location

Location

Terminals of ecu

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    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 ...

    Overhaul
    1. Remove oil pump relief valve Remove the oil pump relief valve plug, oil pump relief valve spring and oil pump relief valve.  Oil pump relief valve plug  oil pump relief valve spring  oil pump relief valve 2. Inspect oil pump assy Remove 3 screws and o ...

    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, ...