Toyota Tacoma manuals

Toyota Corolla Repair Manual: Dtc check/clear

1. Dtc check (normal mode)

Notice

: handheld tester only: when the diagnostic system is switched from the normal mode to the check mode, all the dtcs and freeze frame data recorded in the normal mode will be erased. So before switching modes, always check the dtcs and freeze frame data, and note them down.

  1. Checking dtcs using the obd ii scan tool or handheld tester.
  1.  Turn the ignition switch off.
  2.  Connect the obd ii scan tool or handheld tester to dlc3.
  3.  Turn the ignition switch to the on position.
  4.  Use the obd ii scan tool or handheld tester to check the dtcs and freeze frame data and note them down (for operating instructions, see the obd ii scan tools instruction book).
  5.   to confirm the details of the dtcs.

Notice

: when simulating symptoms with an obd ii scan tool (excluding handheld tester) to check the dtcs, use the normal mode. For codes on the dtcs chart subject to 2 trip detection logic, turn the ignition switch off after the symptom is simulated once. Then repeat the simulation process again. When the problem has been simulated twice, the mil is indicated on the instrument panel and dtcs are recorded in the ecm.

2. Dtc clear

  1. When using the obd ii scan tool or handheld tester: clearing the dtcs.
  1.  Connect the obd ii scan tool or handheld tester to the dlc3.
  2. Turn the ignition switch to the on position.
  3. When operating the obd ii scan tool (complying with sae j1978) or handheld tester to erase the codes, the dtcs and freeze frame data will be erased. (See the obd ii scan tools instruction book for operating instructions.)
  1.  when not using the obd ii scan tool or handheld tester: clearing the dtcs.
  1.  Disconnecting the battery terminal or remove the efi and etcs fuses from the engine room j/b for 60 seconds or more.
Diagnosis system
Description  when troubleshooting obd ii vehicles, the only difference from the usual troubleshooting procedure is that you need to connect an obd ii scan tool complying with sae j ...

Check mode procedure
1. Dtc check (check mode) Hint: handheld tester only: compared to the normal mode, the check mode has more sensing ability to detect malfunctions. Furthermore, the same diagnostic items which ar ...

Other materials:

Inspection procedure
1 Inspect terminal voltage(idl) Remove the cruise control ecu assy with connector still connected.  disconnect the ecm connector.  turn the ignition switch to on.  measure voltage between terminal 13 (idl) of cruise control ecu assy connector and body ground when the ...

Engine coolant
The coolant level is satisfactory if it is between the F and L lines on the reservoir when the engine is cold. 1 Reservoir cap 2 F line 3 L line If the level is on or below the L line, add coolant up to the F line. ■Coolant selection Only use Toyota Super Long Life Coola ...

Customizing vehicle features
It is possible to customize the language and Eco Driving Indicator Light settings using the DISP switch. When customizing vehicle features, ensure that the vehicle is parked in a safe place with the shift the shift lever to P (continuously variable transmission) or N (manual transmission) a ...

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