Toyota Corolla (E120): Problem symptoms table

Hint

: if a normal code is displayed during the dtc check but the trouble still occurs, check the circuits for each symptom in the order given in the charts on the following pages and proceed to the page given for troubleshooting.

The matrix chart is divided into 3 chapters.

  • If the instruction ”proceed to next circuit inspection shown on matrix chart” is given in the flow chart for each circuit, proceed to the circuit with the next highest number in the table to continue the check.
  • If the trouble still occurs even though there are no abnormalities in any of the other circuits, then check and replace the ecm.

Chapter 1: electronic circuit matrix chart

*1: W/ cruise control

*1: W/ cruise control

Chapter 2: on–vehicle repair

( : a245e/a246e automatic transaxle repair manual pub. No. Rm941u)

Chapter 3: off–vehicle repair

Chapter 3: off–vehicle repair

( : a245e/a246e automatic transaxle repair manual pub. No. Rm941u)

Park/neutral switch input circuit

    Share this page:

    Other materials:

    Using a flat bed truck
    If you use chains or cables to tie down your vehicle, the angles shaded in black must be 45°. Do not overly tighten the tie downs or the vehicle may be damaged. ■Before emergency towing 1 Vehicles without a smart key system: Put the engine switch in the “ACC” (engine off) or “O ...

    On–vehicle inspection
    Notice: ”cold” and ”hot” in these sentences express the temperature of the coils themselves. ”Cold” is from –10 c (14 f) to 50 c (122 f) and ”hot” is from 50 c (122 f) to 100 c (212 f). 1. Inspect ignition coil (with igniter) and spark test  confirm dtc. Notice: ...

    Key confinement prevention function does not work properly (unlock warning switch circuit)
    Circuit description The unlock warning switch turns on when the key is inserted in the ignition key cylinder and the door courtesy switch turns on when the driver’s door is opened, and the integration relay monitors both switches conditions. According to these switches conditions, the int ...